From a0b2c2a53167082b868a7578e3315a21afc37d0d Mon Sep 17 00:00:00 2001
From: Hugo A <hugo@alves.gq>
Date: Mon, 15 Aug 2022 12:05:50 +0200
Subject: [PATCH] branche initiale

---
 vendor/autoload.php                           |   12 +
 vendor/bacon/bacon-qr-code/LICENSE            |   22 +
 vendor/bacon/bacon-qr-code/README.md          |   39 +
 vendor/bacon/bacon-qr-code/composer.json      |   38 +
 .../bacon-qr-code/src/Common/BitArray.php     |  372 +++
 .../bacon-qr-code/src/Common/BitMatrix.php    |  313 ++
 .../bacon-qr-code/src/Common/BitUtils.php     |   41 +
 .../src/Common/CharacterSetEci.php            |  180 ++
 .../bacon-qr-code/src/Common/EcBlock.php      |   49 +
 .../bacon-qr-code/src/Common/EcBlocks.php     |   74 +
 .../src/Common/ErrorCorrectionLevel.php       |   63 +
 .../src/Common/FormatInformation.php          |  203 ++
 .../bacon/bacon-qr-code/src/Common/Mode.php   |   76 +
 .../src/Common/ReedSolomonCodec.php           |  468 +++
 .../bacon-qr-code/src/Common/Version.php      |  596 ++++
 .../bacon-qr-code/src/Encoder/BlockPair.php   |   58 +
 .../bacon-qr-code/src/Encoder/ByteMatrix.php  |  150 +
 .../bacon-qr-code/src/Encoder/Encoder.php     |  668 ++++
 .../bacon-qr-code/src/Encoder/MaskUtil.php    |  271 ++
 .../bacon-qr-code/src/Encoder/MatrixUtil.php  |  513 ++++
 .../bacon-qr-code/src/Encoder/QrCode.php      |  141 +
 .../src/Exception/ExceptionInterface.php      |   10 +
 .../Exception/InvalidArgumentException.php    |    8 +
 .../src/Exception/OutOfBoundsException.php    |    8 +
 .../src/Exception/RuntimeException.php        |    8 +
 .../Exception/UnexpectedValueException.php    |    8 +
 .../src/Exception/WriterException.php         |    8 +
 .../src/Renderer/Color/Alpha.php              |   57 +
 .../bacon-qr-code/src/Renderer/Color/Cmyk.php |  103 +
 .../src/Renderer/Color/ColorInterface.php     |   22 +
 .../bacon-qr-code/src/Renderer/Color/Gray.php |   46 +
 .../bacon-qr-code/src/Renderer/Color/Rgb.php  |   88 +
 .../src/Renderer/Eye/CompositeEye.php         |   38 +
 .../src/Renderer/Eye/EyeInterface.php         |   26 +
 .../src/Renderer/Eye/ModuleEye.php            |   54 +
 .../src/Renderer/Eye/SimpleCircleEye.php      |   54 +
 .../src/Renderer/Eye/SquareEye.php            |   53 +
 .../src/Renderer/Image/EpsImageBackEnd.php    |  376 +++
 .../Renderer/Image/ImageBackEndInterface.php  |   87 +
 .../Renderer/Image/ImagickImageBackEnd.php    |  336 ++
 .../src/Renderer/Image/SvgImageBackEnd.php    |  369 +++
 .../Renderer/Image/TransformationMatrix.php   |   68 +
 .../src/Renderer/ImageRenderer.php            |  152 +
 .../src/Renderer/Module/DotsModule.php        |   63 +
 .../src/Renderer/Module/EdgeIterator/Edge.php |  100 +
 .../Module/EdgeIterator/EdgeIterator.php      |  169 ++
 .../src/Renderer/Module/ModuleInterface.php   |   18 +
 .../src/Renderer/Module/RoundnessModule.php   |  129 +
 .../src/Renderer/Module/SquareModule.php      |   47 +
 .../bacon-qr-code/src/Renderer/Path/Close.php |   29 +
 .../bacon-qr-code/src/Renderer/Path/Curve.php |   92 +
 .../src/Renderer/Path/EllipticArc.php         |  278 ++
 .../bacon-qr-code/src/Renderer/Path/Line.php  |   41 +
 .../bacon-qr-code/src/Renderer/Path/Move.php  |   41 +
 .../src/Renderer/Path/OperationInterface.php  |   12 +
 .../bacon-qr-code/src/Renderer/Path/Path.php  |  106 +
 .../src/Renderer/PlainTextRenderer.php        |   86 +
 .../src/Renderer/RendererInterface.php        |   11 +
 .../src/Renderer/RendererStyle/EyeFill.php    |   74 +
 .../src/Renderer/RendererStyle/Fill.php       |  168 +
 .../src/Renderer/RendererStyle/Gradient.php   |   46 +
 .../Renderer/RendererStyle/GradientType.php   |   22 +
 .../Renderer/RendererStyle/RendererStyle.php  |   90 +
 vendor/bacon/bacon-qr-code/src/Writer.php     |   71 +
 .../test/Common/BitArrayTest.php              |  222 ++
 .../test/Common/BitMatrixTest.php             |  115 +
 .../test/Common/BitUtilsTest.php              |   25 +
 .../test/Common/ErrorCorrectionLevelTest.php  |   25 +
 .../test/Common/FormatInformationTest.php     |   94 +
 .../bacon-qr-code/test/Common/ModeTest.php    |   19 +
 .../test/Common/ReedSolomonCodecTest.php      |   96 +
 .../bacon-qr-code/test/Common/VersionTest.php |   78 +
 .../test/Encoder/EncoderTest.php              |  487 +++
 .../test/Encoder/MaskUtilTest.php             |  251 ++
 .../test/Encoder/MatrixUtilTest.php           |  335 ++
 .../test/Integration/ImagickRenderingTest.php |   63 +
 ...ickRenderingTest__testGenericQrCode__1.png |  Bin 0 -> 3111 bytes
 .../ImagickRenderingTest__testIssue79__1.png  |  Bin 0 -> 8366 bytes
 vendor/bin/lessc                              |  117 +
 vendor/composer/ClassLoader.php               |  572 ++++
 vendor/composer/InstalledVersions.php         |  352 +++
 vendor/composer/LICENSE                       |   21 +
 vendor/composer/autoload_classmap.php         |   11 +
 vendor/composer/autoload_namespaces.php       |   10 +
 vendor/composer/autoload_psr4.php             |   12 +
 vendor/composer/autoload_real.php             |   38 +
 vendor/composer/autoload_static.php           |   64 +
 vendor/composer/installed.json                |  260 ++
 vendor/composer/installed.php                 |   59 +
 vendor/composer/platform_check.php            |   26 +
 vendor/dasprid/enum/LICENSE                   |   22 +
 vendor/dasprid/enum/README.md                 |  164 +
 vendor/dasprid/enum/composer.json             |   31 +
 vendor/dasprid/enum/phpunit.xml.dist          |   17 +
 vendor/dasprid/enum/src/AbstractEnum.php      |  241 ++
 vendor/dasprid/enum/src/EnumMap.php           |  375 +++
 .../Exception/CloneNotSupportedException.php  |   10 +
 .../enum/src/Exception/ExceptionInterface.php |   10 +
 .../src/Exception/ExpectationException.php    |   10 +
 .../Exception/IllegalArgumentException.php    |   10 +
 .../enum/src/Exception/MismatchException.php  |   10 +
 .../SerializeNotSupportedException.php        |   10 +
 .../UnserializeNotSupportedException.php      |   10 +
 vendor/dasprid/enum/src/NullValue.php         |   55 +
 vendor/dasprid/enum/test/AbstractEnumTest.php |  121 +
 vendor/dasprid/enum/test/EnumMapTest.php      |  243 ++
 vendor/dasprid/enum/test/NullValueTest.php    |   31 +
 vendor/dasprid/enum/test/Planet.php           |   73 +
 vendor/dasprid/enum/test/WeekDay.php          |   26 +
 vendor/endroid/qr-code/.gitattributes         |    2 +
 vendor/endroid/qr-code/.github/FUNDING.yml    |    1 +
 vendor/endroid/qr-code/.gitignore             |    4 +
 vendor/endroid/qr-code/LICENSE                |   19 +
 vendor/endroid/qr-code/README.md              |  178 ++
 vendor/endroid/qr-code/assets/open_sans.ttf   |  Bin 0 -> 217360 bytes
 vendor/endroid/qr-code/composer.json          |   51 +
 .../Bacon/ErrorCorrectionLevelConverter.php   |   30 +
 .../qr-code/src/Bacon/MatrixFactory.php       |   32 +
 .../endroid/qr-code/src/Builder/Builder.php   |  278 ++
 .../qr-code/src/Builder/BuilderInterface.php  |   63 +
 .../qr-code/src/Builder/BuilderRegistry.php   |   25 +
 .../src/Builder/BuilderRegistryInterface.php  |   12 +
 vendor/endroid/qr-code/src/Color/Color.php    |   56 +
 .../qr-code/src/Color/ColorInterface.php      |   21 +
 .../endroid/qr-code/src/Encoding/Encoding.php |   24 +
 .../src/Encoding/EncodingInterface.php        |   10 +
 .../ErrorCorrectionLevelHigh.php              |    9 +
 .../ErrorCorrectionLevelInterface.php         |    9 +
 .../ErrorCorrectionLevelLow.php               |    9 +
 .../ErrorCorrectionLevelMedium.php            |    9 +
 .../ErrorCorrectionLevelQuartile.php          |    9 +
 .../qr-code/src/ImageData/LabelImageData.php  |   51 +
 .../qr-code/src/ImageData/LogoImageData.php   |  164 +
 .../Label/Alignment/LabelAlignmentCenter.php  |    9 +
 .../Alignment/LabelAlignmentInterface.php     |    9 +
 .../Label/Alignment/LabelAlignmentLeft.php    |    9 +
 .../Label/Alignment/LabelAlignmentRight.php   |    9 +
 .../endroid/qr-code/src/Label/Font/Font.php   |   36 +
 .../qr-code/src/Label/Font/FontInterface.php  |   12 +
 .../qr-code/src/Label/Font/NotoSans.php       |   25 +
 .../qr-code/src/Label/Font/OpenSans.php       |   25 +
 vendor/endroid/qr-code/src/Label/Label.php    |  102 +
 .../qr-code/src/Label/LabelInterface.php      |   23 +
 .../qr-code/src/Label/Margin/Margin.php       |   52 +
 .../src/Label/Margin/MarginInterface.php      |   19 +
 vendor/endroid/qr-code/src/Logo/Logo.php      |   74 +
 .../qr-code/src/Logo/LogoInterface.php        |   16 +
 vendor/endroid/qr-code/src/Matrix/Matrix.php  |   87 +
 .../src/Matrix/MatrixFactoryInterface.php     |   12 +
 .../qr-code/src/Matrix/MatrixInterface.php    |   22 +
 vendor/endroid/qr-code/src/QrCode.php         |  147 +
 .../endroid/qr-code/src/QrCodeInterface.php   |   29 +
 .../RoundBlockSizeModeEnlarge.php             |    9 +
 .../RoundBlockSizeModeInterface.php           |    9 +
 .../RoundBlockSizeModeMargin.php              |    9 +
 .../RoundBlockSizeModeNone.php                |    9 +
 .../RoundBlockSizeModeShrink.php              |    9 +
 .../endroid/qr-code/src/WritableInterface.php |    7 +
 .../qr-code/src/Writer/BinaryWriter.php       |   23 +
 .../qr-code/src/Writer/DebugWriter.php        |   28 +
 .../endroid/qr-code/src/Writer/EpsWriter.php  |   44 +
 .../endroid/qr-code/src/Writer/PdfWriter.php  |  133 +
 .../endroid/qr-code/src/Writer/PngWriter.php  |  227 ++
 .../src/Writer/Result/AbstractResult.php      |   19 +
 .../src/Writer/Result/BinaryResult.php        |   35 +
 .../qr-code/src/Writer/Result/DebugResult.php |   77 +
 .../qr-code/src/Writer/Result/EpsResult.php   |   27 +
 .../qr-code/src/Writer/Result/PdfResult.php   |   30 +
 .../qr-code/src/Writer/Result/PngResult.php   |   36 +
 .../src/Writer/Result/ResultInterface.php     |   16 +
 .../qr-code/src/Writer/Result/SvgResult.php   |   42 +
 .../endroid/qr-code/src/Writer/SvgWriter.php  |  107 +
 .../src/Writer/ValidatingWriterInterface.php  |   12 +
 .../qr-code/src/Writer/WriterInterface.php    |   16 +
 vendor/wikimedia/less.php/CHANGES.md          |   70 +
 vendor/wikimedia/less.php/LICENSE             |  178 ++
 vendor/wikimedia/less.php/README.md           |  315 ++
 vendor/wikimedia/less.php/bin/lessc           |  191 ++
 vendor/wikimedia/less.php/composer.json       |   49 +
 vendor/wikimedia/less.php/lessc.inc.php       |  274 ++
 .../lib/Less/.easymin/ignore_prefixes         |    2 +
 .../less.php/lib/Less/Autoloader.php          |   77 +
 vendor/wikimedia/less.php/lib/Less/Cache.php  |  293 ++
 vendor/wikimedia/less.php/lib/Less/Colors.php |  169 ++
 .../less.php/lib/Less/Configurable.php        |   66 +
 .../less.php/lib/Less/Environment.php         |  157 +
 .../less.php/lib/Less/Exception/Chunk.php     |  203 ++
 .../less.php/lib/Less/Exception/Compiler.php  |   11 +
 .../less.php/lib/Less/Exception/Parser.php    |  116 +
 .../wikimedia/less.php/lib/Less/Functions.php | 1186 ++++++++
 .../less.php/lib/Less/Less.php.combine        |   17 +
 vendor/wikimedia/less.php/lib/Less/Mime.php   |   41 +
 vendor/wikimedia/less.php/lib/Less/Output.php |   48 +
 .../less.php/lib/Less/Output/Mapped.php       |  119 +
 vendor/wikimedia/less.php/lib/Less/Parser.php | 2691 +++++++++++++++++
 .../less.php/lib/Less/SourceMap/Base64VLQ.php |  187 ++
 .../less.php/lib/Less/SourceMap/Generator.php |  354 +++
 vendor/wikimedia/less.php/lib/Less/Tree.php   |   84 +
 .../less.php/lib/Less/Tree/Alpha.php          |   48 +
 .../less.php/lib/Less/Tree/Anonymous.php      |   58 +
 .../less.php/lib/Less/Tree/Assignment.php     |   39 +
 .../less.php/lib/Less/Tree/Attribute.php      |   53 +
 .../wikimedia/less.php/lib/Less/Tree/Call.php |  117 +
 .../less.php/lib/Less/Tree/Color.php          |  230 ++
 .../less.php/lib/Less/Tree/Comment.php        |   51 +
 .../less.php/lib/Less/Tree/Condition.php      |   72 +
 .../less.php/lib/Less/Tree/DefaultFunc.php    |   34 +
 .../lib/Less/Tree/DetachedRuleset.php         |   39 +
 .../less.php/lib/Less/Tree/Dimension.php      |  198 ++
 .../less.php/lib/Less/Tree/Directive.php      |   96 +
 .../less.php/lib/Less/Tree/Element.php        |   70 +
 .../less.php/lib/Less/Tree/Expression.php     |   95 +
 .../less.php/lib/Less/Tree/Extend.php         |   80 +
 .../less.php/lib/Less/Tree/Import.php         |  291 ++
 .../less.php/lib/Less/Tree/Javascript.php     |   30 +
 .../less.php/lib/Less/Tree/Keyword.php        |   43 +
 .../less.php/lib/Less/Tree/Media.php          |  173 ++
 .../less.php/lib/Less/Tree/Mixin/Call.php     |  193 ++
 .../lib/Less/Tree/Mixin/Definition.php        |  233 ++
 .../less.php/lib/Less/Tree/NameValue.php      |   49 +
 .../less.php/lib/Less/Tree/Negative.php       |   37 +
 .../less.php/lib/Less/Tree/Operation.php      |   68 +
 .../less.php/lib/Less/Tree/Paren.php          |   35 +
 .../less.php/lib/Less/Tree/Quoted.php         |   79 +
 .../wikimedia/less.php/lib/Less/Tree/Rule.php |  112 +
 .../less.php/lib/Less/Tree/Ruleset.php        |  621 ++++
 .../less.php/lib/Less/Tree/RulesetCall.php    |   26 +
 .../less.php/lib/Less/Tree/Selector.php       |  165 +
 .../lib/Less/Tree/UnicodeDescriptor.php       |   28 +
 .../wikimedia/less.php/lib/Less/Tree/Unit.php |  142 +
 .../lib/Less/Tree/UnitConversions.php         |   35 +
 .../wikimedia/less.php/lib/Less/Tree/Url.php  |   76 +
 .../less.php/lib/Less/Tree/Value.php          |   47 +
 .../less.php/lib/Less/Tree/Variable.php       |   51 +
 .../wikimedia/less.php/lib/Less/Version.php   |   15 +
 .../wikimedia/less.php/lib/Less/Visitor.php   |   46 +
 .../lib/Less/Visitor/extendFinder.php         |  109 +
 .../less.php/lib/Less/Visitor/import.php      |  137 +
 .../lib/Less/Visitor/joinSelector.php         |   68 +
 .../lib/Less/Visitor/processExtends.php       |  441 +++
 .../less.php/lib/Less/Visitor/toCSS.php       |  280 ++
 .../less.php/lib/Less/VisitorReplacing.php    |   70 +
 242 files changed, 27425 insertions(+)
 create mode 100755 vendor/autoload.php
 create mode 100755 vendor/bacon/bacon-qr-code/LICENSE
 create mode 100755 vendor/bacon/bacon-qr-code/README.md
 create mode 100755 vendor/bacon/bacon-qr-code/composer.json
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/BitArray.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/BitMatrix.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/BitUtils.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/CharacterSetEci.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/EcBlock.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/EcBlocks.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/ErrorCorrectionLevel.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/FormatInformation.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/Mode.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Common/Version.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/BlockPair.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/ByteMatrix.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/MaskUtil.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/MatrixUtil.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Encoder/QrCode.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/ExceptionInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/InvalidArgumentException.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/OutOfBoundsException.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/RuntimeException.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/UnexpectedValueException.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Exception/WriterException.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Color/Cmyk.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Color/ColorInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Color/Gray.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Color/Rgb.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Eye/CompositeEye.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Eye/EyeInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Eye/ModuleEye.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Eye/SimpleCircleEye.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Eye/SquareEye.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Image/EpsImageBackEnd.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Image/ImageBackEndInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Image/ImagickImageBackEnd.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Image/SvgImageBackEnd.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Image/TransformationMatrix.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/ImageRenderer.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/DotsModule.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/Edge.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/EdgeIterator.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/ModuleInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/RoundnessModule.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Module/SquareModule.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/Close.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/Curve.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/EllipticArc.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/Line.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/Move.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/OperationInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/Path/Path.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/PlainTextRenderer.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererInterface.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/EyeFill.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Fill.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Gradient.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/GradientType.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/RendererStyle.php
 create mode 100755 vendor/bacon/bacon-qr-code/src/Writer.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/BitArrayTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/BitUtilsTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/ErrorCorrectionLevelTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/FormatInformationTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/ModeTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/ReedSolomonCodecTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Common/VersionTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Encoder/EncoderTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Encoder/MaskUtilTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Encoder/MatrixUtilTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Integration/ImagickRenderingTest.php
 create mode 100755 vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testGenericQrCode__1.png
 create mode 100755 vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testIssue79__1.png
 create mode 100755 vendor/bin/lessc
 create mode 100755 vendor/composer/ClassLoader.php
 create mode 100755 vendor/composer/InstalledVersions.php
 create mode 100755 vendor/composer/LICENSE
 create mode 100755 vendor/composer/autoload_classmap.php
 create mode 100755 vendor/composer/autoload_namespaces.php
 create mode 100755 vendor/composer/autoload_psr4.php
 create mode 100755 vendor/composer/autoload_real.php
 create mode 100755 vendor/composer/autoload_static.php
 create mode 100755 vendor/composer/installed.json
 create mode 100755 vendor/composer/installed.php
 create mode 100755 vendor/composer/platform_check.php
 create mode 100755 vendor/dasprid/enum/LICENSE
 create mode 100755 vendor/dasprid/enum/README.md
 create mode 100755 vendor/dasprid/enum/composer.json
 create mode 100755 vendor/dasprid/enum/phpunit.xml.dist
 create mode 100755 vendor/dasprid/enum/src/AbstractEnum.php
 create mode 100755 vendor/dasprid/enum/src/EnumMap.php
 create mode 100755 vendor/dasprid/enum/src/Exception/CloneNotSupportedException.php
 create mode 100755 vendor/dasprid/enum/src/Exception/ExceptionInterface.php
 create mode 100755 vendor/dasprid/enum/src/Exception/ExpectationException.php
 create mode 100755 vendor/dasprid/enum/src/Exception/IllegalArgumentException.php
 create mode 100755 vendor/dasprid/enum/src/Exception/MismatchException.php
 create mode 100755 vendor/dasprid/enum/src/Exception/SerializeNotSupportedException.php
 create mode 100755 vendor/dasprid/enum/src/Exception/UnserializeNotSupportedException.php
 create mode 100755 vendor/dasprid/enum/src/NullValue.php
 create mode 100755 vendor/dasprid/enum/test/AbstractEnumTest.php
 create mode 100755 vendor/dasprid/enum/test/EnumMapTest.php
 create mode 100755 vendor/dasprid/enum/test/NullValueTest.php
 create mode 100755 vendor/dasprid/enum/test/Planet.php
 create mode 100755 vendor/dasprid/enum/test/WeekDay.php
 create mode 100755 vendor/endroid/qr-code/.gitattributes
 create mode 100755 vendor/endroid/qr-code/.github/FUNDING.yml
 create mode 100755 vendor/endroid/qr-code/.gitignore
 create mode 100755 vendor/endroid/qr-code/LICENSE
 create mode 100755 vendor/endroid/qr-code/README.md
 create mode 100755 vendor/endroid/qr-code/assets/open_sans.ttf
 create mode 100755 vendor/endroid/qr-code/composer.json
 create mode 100755 vendor/endroid/qr-code/src/Bacon/ErrorCorrectionLevelConverter.php
 create mode 100755 vendor/endroid/qr-code/src/Bacon/MatrixFactory.php
 create mode 100755 vendor/endroid/qr-code/src/Builder/Builder.php
 create mode 100755 vendor/endroid/qr-code/src/Builder/BuilderInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Builder/BuilderRegistry.php
 create mode 100755 vendor/endroid/qr-code/src/Builder/BuilderRegistryInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Color/Color.php
 create mode 100755 vendor/endroid/qr-code/src/Color/ColorInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Encoding/Encoding.php
 create mode 100755 vendor/endroid/qr-code/src/Encoding/EncodingInterface.php
 create mode 100755 vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelHigh.php
 create mode 100755 vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelInterface.php
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 create mode 100755 vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelQuartile.php
 create mode 100755 vendor/endroid/qr-code/src/ImageData/LabelImageData.php
 create mode 100755 vendor/endroid/qr-code/src/ImageData/LogoImageData.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentCenter.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentLeft.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentRight.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Font/Font.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Font/FontInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Font/NotoSans.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Font/OpenSans.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Label.php
 create mode 100755 vendor/endroid/qr-code/src/Label/LabelInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Margin/Margin.php
 create mode 100755 vendor/endroid/qr-code/src/Label/Margin/MarginInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Logo/Logo.php
 create mode 100755 vendor/endroid/qr-code/src/Logo/LogoInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Matrix/Matrix.php
 create mode 100755 vendor/endroid/qr-code/src/Matrix/MatrixFactoryInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Matrix/MatrixInterface.php
 create mode 100755 vendor/endroid/qr-code/src/QrCode.php
 create mode 100755 vendor/endroid/qr-code/src/QrCodeInterface.php
 create mode 100755 vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeEnlarge.php
 create mode 100755 vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeInterface.php
 create mode 100755 vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeMargin.php
 create mode 100755 vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeNone.php
 create mode 100755 vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeShrink.php
 create mode 100755 vendor/endroid/qr-code/src/WritableInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/BinaryWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/DebugWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/EpsWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/PdfWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/PngWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/AbstractResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/DebugResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/EpsResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/PdfResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/PngResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/ResultInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/Result/SvgResult.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/SvgWriter.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/ValidatingWriterInterface.php
 create mode 100755 vendor/endroid/qr-code/src/Writer/WriterInterface.php
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 create mode 100755 vendor/wikimedia/less.php/LICENSE
 create mode 100755 vendor/wikimedia/less.php/README.md
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 create mode 100755 vendor/wikimedia/less.php/lib/Less/Cache.php
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diff --git a/vendor/autoload.php b/vendor/autoload.php
new file mode 100755
index 0000000..79bfa69
--- /dev/null
+++ b/vendor/autoload.php
@@ -0,0 +1,12 @@
+<?php
+
+// autoload.php @generated by Composer
+
+if (PHP_VERSION_ID < 50600) {
+    echo 'Composer 2.3.0 dropped support for autoloading on PHP <5.6 and you are running '.PHP_VERSION.', please upgrade PHP or use Composer 2.2 LTS via "composer self-update --2.2". Aborting.'.PHP_EOL;
+    exit(1);
+}
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInit6bb82695b2f28e8ee61f74ae2d5c5202::getLoader();
diff --git a/vendor/bacon/bacon-qr-code/LICENSE b/vendor/bacon/bacon-qr-code/LICENSE
new file mode 100755
index 0000000..d45a356
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2017, Ben Scholzen 'DASPRiD'
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/bacon/bacon-qr-code/README.md b/vendor/bacon/bacon-qr-code/README.md
new file mode 100755
index 0000000..9c099fe
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/README.md
@@ -0,0 +1,39 @@
+# QR Code generator
+
+[![PHP CI](https://github.com/Bacon/BaconQrCode/actions/workflows/ci.yml/badge.svg)](https://github.com/Bacon/BaconQrCode/actions/workflows/ci.yml)
+[![codecov](https://codecov.io/gh/Bacon/BaconQrCode/branch/master/graph/badge.svg?token=rD0HcAiEEx)](https://codecov.io/gh/Bacon/BaconQrCode)
+[![Latest Stable Version](https://poser.pugx.org/bacon/bacon-qr-code/v/stable)](https://packagist.org/packages/bacon/bacon-qr-code)
+[![Total Downloads](https://poser.pugx.org/bacon/bacon-qr-code/downloads)](https://packagist.org/packages/bacon/bacon-qr-code)
+[![License](https://poser.pugx.org/bacon/bacon-qr-code/license)](https://packagist.org/packages/bacon/bacon-qr-code)
+
+
+## Introduction
+BaconQrCode is a port of QR code portion of the ZXing library. It currently
+only features the encoder part, but could later receive the decoder part as
+well.
+
+As the Reed Solomon codec implementation of the ZXing library performs quite
+slow in PHP, it was exchanged with the implementation by Phil Karn.
+
+
+## Example usage
+```php
+use BaconQrCode\Renderer\ImageRenderer;
+use BaconQrCode\Renderer\Image\ImagickImageBackEnd;
+use BaconQrCode\Renderer\RendererStyle\RendererStyle;
+use BaconQrCode\Writer;
+
+$renderer = new ImageRenderer(
+    new RendererStyle(400),
+    new ImagickImageBackEnd()
+);
+$writer = new Writer($renderer);
+$writer->writeFile('Hello World!', 'qrcode.png');
+```
+
+## Available image renderer back ends
+BaconQrCode comes with multiple back ends for rendering images. Currently included are the following:
+
+- `ImagickImageBackEnd`: renders raster images using the Imagick library
+- `SvgImageBackEnd`: renders SVG files using XMLWriter
+- `EpsImageBackEnd`: renders EPS files
diff --git a/vendor/bacon/bacon-qr-code/composer.json b/vendor/bacon/bacon-qr-code/composer.json
new file mode 100755
index 0000000..1440cc3
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/composer.json
@@ -0,0 +1,38 @@
+{
+    "name": "bacon/bacon-qr-code",
+    "description": "BaconQrCode is a QR code generator for PHP.",
+    "license" : "BSD-2-Clause",
+    "homepage": "https://github.com/Bacon/BaconQrCode",
+    "require": {
+        "php": "^7.1 || ^8.0",
+        "ext-iconv": "*",
+        "dasprid/enum": "^1.0.3"
+    },
+    "suggest": {
+        "ext-imagick": "to generate QR code images"
+    },
+    "authors": [
+        {
+            "name": "Ben Scholzen 'DASPRiD'",
+            "email": "mail@dasprids.de",
+            "homepage": "https://dasprids.de/",
+            "role": "Developer"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "BaconQrCode\\": "src/"
+        }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^7 | ^8 | ^9",
+        "spatie/phpunit-snapshot-assertions": "^4.2.9",
+        "squizlabs/php_codesniffer": "^3.4",
+        "phly/keep-a-changelog": "^2.1"
+    },
+    "config": {
+        "allow-plugins": {
+            "ocramius/package-versions": true
+        }
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/BitArray.php b/vendor/bacon/bacon-qr-code/src/Common/BitArray.php
new file mode 100755
index 0000000..158384f
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/BitArray.php
@@ -0,0 +1,372 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\InvalidArgumentException;
+use SplFixedArray;
+
+/**
+ * A simple, fast array of bits.
+ */
+final class BitArray
+{
+    /**
+     * Bits represented as an array of integers.
+     *
+     * @var SplFixedArray<int>
+     */
+    private $bits;
+
+    /**
+     * Size of the bit array in bits.
+     *
+     * @var int
+     */
+    private $size;
+
+    /**
+     * Creates a new bit array with a given size.
+     */
+    public function __construct(int $size = 0)
+    {
+        $this->size = $size;
+        $this->bits = SplFixedArray::fromArray(array_fill(0, ($this->size + 31) >> 3, 0));
+    }
+
+    /**
+     * Gets the size in bits.
+     */
+    public function getSize() : int
+    {
+        return $this->size;
+    }
+
+    /**
+     * Gets the size in bytes.
+     */
+    public function getSizeInBytes() : int
+    {
+        return ($this->size + 7) >> 3;
+    }
+
+    /**
+     * Ensures that the array has a minimum capacity.
+     */
+    public function ensureCapacity(int $size) : void
+    {
+        if ($size > count($this->bits) << 5) {
+            $this->bits->setSize(($size + 31) >> 5);
+        }
+    }
+
+    /**
+     * Gets a specific bit.
+     */
+    public function get(int $i) : bool
+    {
+        return 0 !== ($this->bits[$i >> 5] & (1 << ($i & 0x1f)));
+    }
+
+    /**
+     * Sets a specific bit.
+     */
+    public function set(int $i) : void
+    {
+        $this->bits[$i >> 5] = $this->bits[$i >> 5] | 1 << ($i & 0x1f);
+    }
+
+    /**
+     * Flips a specific bit.
+     */
+    public function flip(int $i) : void
+    {
+        $this->bits[$i >> 5] ^= 1 << ($i & 0x1f);
+    }
+
+    /**
+     * Gets the next set bit position from a given position.
+     */
+    public function getNextSet(int $from) : int
+    {
+        if ($from >= $this->size) {
+            return $this->size;
+        }
+
+        $bitsOffset = $from >> 5;
+        $currentBits = $this->bits[$bitsOffset];
+        $bitsLength = count($this->bits);
+        $currentBits &= ~((1 << ($from & 0x1f)) - 1);
+
+        while (0 === $currentBits) {
+            if (++$bitsOffset === $bitsLength) {
+                return $this->size;
+            }
+
+            $currentBits = $this->bits[$bitsOffset];
+        }
+
+        $result = ($bitsOffset << 5) + BitUtils::numberOfTrailingZeros($currentBits);
+        return $result > $this->size ? $this->size : $result;
+    }
+
+    /**
+     * Gets the next unset bit position from a given position.
+     */
+    public function getNextUnset(int $from) : int
+    {
+        if ($from >= $this->size) {
+            return $this->size;
+        }
+
+        $bitsOffset = $from >> 5;
+        $currentBits = ~$this->bits[$bitsOffset];
+        $bitsLength = count($this->bits);
+        $currentBits &= ~((1 << ($from & 0x1f)) - 1);
+
+        while (0 === $currentBits) {
+            if (++$bitsOffset === $bitsLength) {
+                return $this->size;
+            }
+
+            $currentBits = ~$this->bits[$bitsOffset];
+        }
+
+        $result = ($bitsOffset << 5) + BitUtils::numberOfTrailingZeros($currentBits);
+        return $result > $this->size ? $this->size : $result;
+    }
+
+    /**
+     * Sets a bulk of bits.
+     */
+    public function setBulk(int $i, int $newBits) : void
+    {
+        $this->bits[$i >> 5] = $newBits;
+    }
+
+    /**
+     * Sets a range of bits.
+     *
+     * @throws InvalidArgumentException if end is smaller than start
+     */
+    public function setRange(int $start, int $end) : void
+    {
+        if ($end < $start) {
+            throw new InvalidArgumentException('End must be greater or equal to start');
+        }
+
+        if ($end === $start) {
+            return;
+        }
+
+        --$end;
+
+        $firstInt = $start >> 5;
+        $lastInt = $end >> 5;
+
+        for ($i = $firstInt; $i <= $lastInt; ++$i) {
+            $firstBit = $i > $firstInt ? 0 : $start & 0x1f;
+            $lastBit = $i < $lastInt ? 31 : $end & 0x1f;
+
+            if (0 === $firstBit && 31 === $lastBit) {
+                $mask = 0x7fffffff;
+            } else {
+                $mask = 0;
+
+                for ($j = $firstBit; $j < $lastBit; ++$j) {
+                    $mask |= 1 << $j;
+                }
+            }
+
+            $this->bits[$i] = $this->bits[$i] | $mask;
+        }
+    }
+
+    /**
+     * Clears the bit array, unsetting every bit.
+     */
+    public function clear() : void
+    {
+        $bitsLength = count($this->bits);
+
+        for ($i = 0; $i < $bitsLength; ++$i) {
+            $this->bits[$i] = 0;
+        }
+    }
+
+    /**
+     * Checks if a range of bits is set or not set.
+
+     * @throws InvalidArgumentException if end is smaller than start
+     */
+    public function isRange(int $start, int $end, bool $value) : bool
+    {
+        if ($end < $start) {
+            throw new InvalidArgumentException('End must be greater or equal to start');
+        }
+
+        if ($end === $start) {
+            return true;
+        }
+
+        --$end;
+
+        $firstInt = $start >> 5;
+        $lastInt = $end >> 5;
+
+        for ($i = $firstInt; $i <= $lastInt; ++$i) {
+            $firstBit = $i > $firstInt ? 0 : $start & 0x1f;
+            $lastBit = $i < $lastInt ? 31 : $end & 0x1f;
+
+            if (0 === $firstBit && 31 === $lastBit) {
+                $mask = 0x7fffffff;
+            } else {
+                $mask = 0;
+
+                for ($j = $firstBit; $j <= $lastBit; ++$j) {
+                    $mask |= 1 << $j;
+                }
+            }
+
+            if (($this->bits[$i] & $mask) !== ($value ? $mask : 0)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Appends a bit to the array.
+     */
+    public function appendBit(bool $bit) : void
+    {
+        $this->ensureCapacity($this->size + 1);
+
+        if ($bit) {
+            $this->bits[$this->size >> 5] = $this->bits[$this->size >> 5] | (1 << ($this->size & 0x1f));
+        }
+
+        ++$this->size;
+    }
+
+    /**
+     * Appends a number of bits (up to 32) to the array.
+
+     * @throws InvalidArgumentException if num bits is not between 0 and 32
+     */
+    public function appendBits(int $value, int $numBits) : void
+    {
+        if ($numBits < 0 || $numBits > 32) {
+            throw new InvalidArgumentException('Num bits must be between 0 and 32');
+        }
+
+        $this->ensureCapacity($this->size + $numBits);
+
+        for ($numBitsLeft = $numBits; $numBitsLeft > 0; $numBitsLeft--) {
+            $this->appendBit((($value >> ($numBitsLeft - 1)) & 0x01) === 1);
+        }
+    }
+
+    /**
+     * Appends another bit array to this array.
+     */
+    public function appendBitArray(self $other) : void
+    {
+        $otherSize = $other->getSize();
+        $this->ensureCapacity($this->size + $other->getSize());
+
+        for ($i = 0; $i < $otherSize; ++$i) {
+            $this->appendBit($other->get($i));
+        }
+    }
+
+    /**
+     * Makes an exclusive-or comparision on the current bit array.
+     *
+     * @throws InvalidArgumentException if sizes don't match
+     */
+    public function xorBits(self $other) : void
+    {
+        $bitsLength = count($this->bits);
+        $otherBits  = $other->getBitArray();
+
+        if ($bitsLength !== count($otherBits)) {
+            throw new InvalidArgumentException('Sizes don\'t match');
+        }
+
+        for ($i = 0; $i < $bitsLength; ++$i) {
+            $this->bits[$i] = $this->bits[$i] ^ $otherBits[$i];
+        }
+    }
+
+    /**
+     * Converts the bit array to a byte array.
+     *
+     * @return SplFixedArray<int>
+     */
+    public function toBytes(int $bitOffset, int $numBytes) : SplFixedArray
+    {
+        $bytes = new SplFixedArray($numBytes);
+
+        for ($i = 0; $i < $numBytes; ++$i) {
+            $byte = 0;
+
+            for ($j = 0; $j < 8; ++$j) {
+                if ($this->get($bitOffset)) {
+                    $byte |= 1 << (7 - $j);
+                }
+
+                ++$bitOffset;
+            }
+
+            $bytes[$i] = $byte;
+        }
+
+        return $bytes;
+    }
+
+    /**
+     * Gets the internal bit array.
+     *
+     * @return SplFixedArray<int>
+     */
+    public function getBitArray() : SplFixedArray
+    {
+        return $this->bits;
+    }
+
+    /**
+     * Reverses the array.
+     */
+    public function reverse() : void
+    {
+        $newBits = new SplFixedArray(count($this->bits));
+
+        for ($i = 0; $i < $this->size; ++$i) {
+            if ($this->get($this->size - $i - 1)) {
+                $newBits[$i >> 5] = $newBits[$i >> 5] | (1 << ($i & 0x1f));
+            }
+        }
+
+        $this->bits = $newBits;
+    }
+
+    /**
+     * Returns a string representation of the bit array.
+     */
+    public function __toString() : string
+    {
+        $result = '';
+
+        for ($i = 0; $i < $this->size; ++$i) {
+            if (0 === ($i & 0x07)) {
+                $result .= ' ';
+            }
+
+            $result .= $this->get($i) ? 'X' : '.';
+        }
+
+        return $result;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/BitMatrix.php b/vendor/bacon/bacon-qr-code/src/Common/BitMatrix.php
new file mode 100755
index 0000000..10bf8fe
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/BitMatrix.php
@@ -0,0 +1,313 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\InvalidArgumentException;
+use SplFixedArray;
+
+/**
+ * Bit matrix.
+ *
+ * Represents a 2D matrix of bits. In function arguments below, and throughout
+ * the common module, x is the column position, and y is the row position. The
+ * ordering is always x, y. The origin is at the top-left.
+ */
+class BitMatrix
+{
+    /**
+     * Width of the bit matrix.
+     *
+     * @var int
+     */
+    private $width;
+
+    /**
+     * Height of the bit matrix.
+     *
+     * @var int
+     */
+    private $height;
+
+    /**
+     * Size in bits of each individual row.
+     *
+     * @var int
+     */
+    private $rowSize;
+
+    /**
+     * Bits representation.
+     *
+     * @var SplFixedArray<int>
+     */
+    private $bits;
+
+    /**
+     * @throws InvalidArgumentException if a dimension is smaller than zero
+     */
+    public function __construct(int $width, int $height = null)
+    {
+        if (null === $height) {
+            $height = $width;
+        }
+
+        if ($width < 1 || $height < 1) {
+            throw new InvalidArgumentException('Both dimensions must be greater than zero');
+        }
+
+        $this->width = $width;
+        $this->height = $height;
+        $this->rowSize = ($width + 31) >> 5;
+        $this->bits = SplFixedArray::fromArray(array_fill(0, $this->rowSize * $height, 0));
+    }
+
+    /**
+     * Gets the requested bit, where true means black.
+     */
+    public function get(int $x, int $y) : bool
+    {
+        $offset = $y * $this->rowSize + ($x >> 5);
+        return 0 !== (BitUtils::unsignedRightShift($this->bits[$offset], ($x & 0x1f)) & 1);
+    }
+
+    /**
+     * Sets the given bit to true.
+     */
+    public function set(int $x, int $y) : void
+    {
+        $offset = $y * $this->rowSize + ($x >> 5);
+        $this->bits[$offset] = $this->bits[$offset] | (1 << ($x & 0x1f));
+    }
+
+    /**
+     * Flips the given bit.
+     */
+    public function flip(int $x, int $y) : void
+    {
+        $offset = $y * $this->rowSize + ($x >> 5);
+        $this->bits[$offset] = $this->bits[$offset] ^ (1 << ($x & 0x1f));
+    }
+
+    /**
+     * Clears all bits (set to false).
+     */
+    public function clear() : void
+    {
+        $max = count($this->bits);
+
+        for ($i = 0; $i < $max; ++$i) {
+            $this->bits[$i] = 0;
+        }
+    }
+
+    /**
+     * Sets a square region of the bit matrix to true.
+     *
+     * @throws InvalidArgumentException if left or top are negative
+     * @throws InvalidArgumentException if width or height are smaller than 1
+     * @throws InvalidArgumentException if region does not fit into the matix
+     */
+    public function setRegion(int $left, int $top, int $width, int $height) : void
+    {
+        if ($top < 0 || $left < 0) {
+            throw new InvalidArgumentException('Left and top must be non-negative');
+        }
+
+        if ($height < 1 || $width < 1) {
+            throw new InvalidArgumentException('Width and height must be at least 1');
+        }
+
+        $right = $left + $width;
+        $bottom = $top + $height;
+
+        if ($bottom > $this->height || $right > $this->width) {
+            throw new InvalidArgumentException('The region must fit inside the matrix');
+        }
+
+        for ($y = $top; $y < $bottom; ++$y) {
+            $offset = $y * $this->rowSize;
+
+            for ($x = $left; $x < $right; ++$x) {
+                $index = $offset + ($x >> 5);
+                $this->bits[$index] = $this->bits[$index] | (1 << ($x & 0x1f));
+            }
+        }
+    }
+
+    /**
+     * A fast method to retrieve one row of data from the matrix as a BitArray.
+     */
+    public function getRow(int $y, BitArray $row = null) : BitArray
+    {
+        if (null === $row || $row->getSize() < $this->width) {
+            $row = new BitArray($this->width);
+        }
+
+        $offset = $y * $this->rowSize;
+
+        for ($x = 0; $x < $this->rowSize; ++$x) {
+            $row->setBulk($x << 5, $this->bits[$offset + $x]);
+        }
+
+        return $row;
+    }
+
+    /**
+     * Sets a row of data from a BitArray.
+     */
+    public function setRow(int $y, BitArray $row) : void
+    {
+        $bits = $row->getBitArray();
+
+        for ($i = 0; $i < $this->rowSize; ++$i) {
+            $this->bits[$y * $this->rowSize + $i] = $bits[$i];
+        }
+    }
+
+    /**
+     * This is useful in detecting the enclosing rectangle of a 'pure' barcode.
+     *
+     * @return int[]|null
+     */
+    public function getEnclosingRectangle() : ?array
+    {
+        $left = $this->width;
+        $top = $this->height;
+        $right = -1;
+        $bottom = -1;
+
+        for ($y = 0; $y < $this->height; ++$y) {
+            for ($x32 = 0; $x32 < $this->rowSize; ++$x32) {
+                $bits = $this->bits[$y * $this->rowSize + $x32];
+
+                if (0 !== $bits) {
+                    if ($y < $top) {
+                        $top = $y;
+                    }
+
+                    if ($y > $bottom) {
+                        $bottom = $y;
+                    }
+
+                    if ($x32 * 32 < $left) {
+                        $bit = 0;
+
+                        while (($bits << (31 - $bit)) === 0) {
+                            $bit++;
+                        }
+
+                        if (($x32 * 32 + $bit) < $left) {
+                            $left = $x32 * 32 + $bit;
+                        }
+                    }
+                }
+
+                if ($x32 * 32 + 31 > $right) {
+                    $bit = 31;
+
+                    while (0 === BitUtils::unsignedRightShift($bits, $bit)) {
+                        --$bit;
+                    }
+
+                    if (($x32 * 32 + $bit) > $right) {
+                        $right = $x32 * 32 + $bit;
+                    }
+                }
+            }
+        }
+
+        $width = $right - $left;
+        $height = $bottom - $top;
+
+        if ($width < 0 || $height < 0) {
+            return null;
+        }
+
+        return [$left, $top, $width, $height];
+    }
+
+    /**
+     * Gets the most top left set bit.
+     *
+     * This is useful in detecting a corner of a 'pure' barcode.
+     *
+     * @return int[]|null
+     */
+    public function getTopLeftOnBit() : ?array
+    {
+        $bitsOffset = 0;
+
+        while ($bitsOffset < count($this->bits) && 0 === $this->bits[$bitsOffset]) {
+            ++$bitsOffset;
+        }
+
+        if (count($this->bits) === $bitsOffset) {
+            return null;
+        }
+
+        $x = intdiv($bitsOffset, $this->rowSize);
+        $y = ($bitsOffset % $this->rowSize) << 5;
+
+        $bits = $this->bits[$bitsOffset];
+        $bit = 0;
+
+        while (0 === ($bits << (31 - $bit))) {
+            ++$bit;
+        }
+
+        $x += $bit;
+
+        return [$x, $y];
+    }
+
+    /**
+     * Gets the most bottom right set bit.
+     *
+     * This is useful in detecting a corner of a 'pure' barcode.
+     *
+     * @return int[]|null
+     */
+    public function getBottomRightOnBit() : ?array
+    {
+        $bitsOffset = count($this->bits) - 1;
+
+        while ($bitsOffset >= 0 && 0 === $this->bits[$bitsOffset]) {
+            --$bitsOffset;
+        }
+
+        if ($bitsOffset < 0) {
+            return null;
+        }
+
+        $x = intdiv($bitsOffset, $this->rowSize);
+        $y = ($bitsOffset % $this->rowSize) << 5;
+
+        $bits = $this->bits[$bitsOffset];
+        $bit  = 0;
+
+        while (0 === BitUtils::unsignedRightShift($bits, $bit)) {
+            --$bit;
+        }
+
+        $x += $bit;
+
+        return [$x, $y];
+    }
+
+    /**
+     * Gets the width of the matrix,
+     */
+    public function getWidth() : int
+    {
+        return $this->width;
+    }
+
+    /**
+     * Gets the height of the matrix.
+     */
+    public function getHeight() : int
+    {
+        return $this->height;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/BitUtils.php b/vendor/bacon/bacon-qr-code/src/Common/BitUtils.php
new file mode 100755
index 0000000..0c575b4
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/BitUtils.php
@@ -0,0 +1,41 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+/**
+ * General bit utilities.
+ *
+ * All utility methods are based on 32-bit integers and also work on 64-bit
+ * systems.
+ */
+final class BitUtils
+{
+    private function __construct()
+    {
+    }
+
+    /**
+     * Performs an unsigned right shift.
+     *
+     * This is the same as the unsigned right shift operator ">>>" in other
+     * languages.
+     */
+    public static function unsignedRightShift(int $a, int $b) : int
+    {
+        return (
+            $a >= 0
+            ? $a >> $b
+            : (($a & 0x7fffffff) >> $b) | (0x40000000 >> ($b - 1))
+        );
+    }
+
+    /**
+     * Gets the number of trailing zeros.
+     */
+    public static function numberOfTrailingZeros(int $i) : int
+    {
+        $lastPos = strrpos(str_pad(decbin($i), 32, '0', STR_PAD_LEFT), '1');
+        return $lastPos === false ? 32 : 31 - $lastPos;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/CharacterSetEci.php b/vendor/bacon/bacon-qr-code/src/Common/CharacterSetEci.php
new file mode 100755
index 0000000..6dfff17
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/CharacterSetEci.php
@@ -0,0 +1,180 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\InvalidArgumentException;
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * Encapsulates a Character Set ECI, according to "Extended Channel Interpretations" 5.3.1.1 of ISO 18004.
+ *
+ * @method static self CP437()
+ * @method static self ISO8859_1()
+ * @method static self ISO8859_2()
+ * @method static self ISO8859_3()
+ * @method static self ISO8859_4()
+ * @method static self ISO8859_5()
+ * @method static self ISO8859_6()
+ * @method static self ISO8859_7()
+ * @method static self ISO8859_8()
+ * @method static self ISO8859_9()
+ * @method static self ISO8859_10()
+ * @method static self ISO8859_11()
+ * @method static self ISO8859_12()
+ * @method static self ISO8859_13()
+ * @method static self ISO8859_14()
+ * @method static self ISO8859_15()
+ * @method static self ISO8859_16()
+ * @method static self SJIS()
+ * @method static self CP1250()
+ * @method static self CP1251()
+ * @method static self CP1252()
+ * @method static self CP1256()
+ * @method static self UNICODE_BIG_UNMARKED()
+ * @method static self UTF8()
+ * @method static self ASCII()
+ * @method static self BIG5()
+ * @method static self GB18030()
+ * @method static self EUC_KR()
+ */
+final class CharacterSetEci extends AbstractEnum
+{
+    protected const CP437 = [[0, 2]];
+    protected const ISO8859_1 = [[1, 3], 'ISO-8859-1'];
+    protected const ISO8859_2 = [[4], 'ISO-8859-2'];
+    protected const ISO8859_3 = [[5], 'ISO-8859-3'];
+    protected const ISO8859_4 = [[6], 'ISO-8859-4'];
+    protected const ISO8859_5 = [[7], 'ISO-8859-5'];
+    protected const ISO8859_6 = [[8], 'ISO-8859-6'];
+    protected const ISO8859_7 = [[9], 'ISO-8859-7'];
+    protected const ISO8859_8 = [[10], 'ISO-8859-8'];
+    protected const ISO8859_9 = [[11], 'ISO-8859-9'];
+    protected const ISO8859_10 = [[12], 'ISO-8859-10'];
+    protected const ISO8859_11 = [[13], 'ISO-8859-11'];
+    protected const ISO8859_12 = [[14], 'ISO-8859-12'];
+    protected const ISO8859_13 = [[15], 'ISO-8859-13'];
+    protected const ISO8859_14 = [[16], 'ISO-8859-14'];
+    protected const ISO8859_15 = [[17], 'ISO-8859-15'];
+    protected const ISO8859_16 = [[18], 'ISO-8859-16'];
+    protected const SJIS = [[20], 'Shift_JIS'];
+    protected const CP1250 = [[21], 'windows-1250'];
+    protected const CP1251 = [[22], 'windows-1251'];
+    protected const CP1252 = [[23], 'windows-1252'];
+    protected const CP1256 = [[24], 'windows-1256'];
+    protected const UNICODE_BIG_UNMARKED = [[25], 'UTF-16BE', 'UnicodeBig'];
+    protected const UTF8 = [[26], 'UTF-8'];
+    protected const ASCII = [[27, 170], 'US-ASCII'];
+    protected const BIG5 = [[28]];
+    protected const GB18030 = [[29], 'GB2312', 'EUC_CN', 'GBK'];
+    protected const EUC_KR = [[30], 'EUC-KR'];
+
+    /**
+     * @var int[]
+     */
+    private $values;
+
+    /**
+     * @var string[]
+     */
+    private $otherEncodingNames;
+
+    /**
+     * @var array<int, self>|null
+     */
+    private static $valueToEci;
+
+    /**
+     * @var array<string, self>|null
+     */
+    private static $nameToEci;
+
+    public function __construct(array $values, string ...$otherEncodingNames)
+    {
+        $this->values = $values;
+        $this->otherEncodingNames = $otherEncodingNames;
+    }
+
+    /**
+     * Returns the primary value.
+     */
+    public function getValue() : int
+    {
+        return $this->values[0];
+    }
+
+    /**
+     * Gets character set ECI by value.
+     *
+     * Returns the representing ECI of a given value, or null if it is legal but unsupported.
+     *
+     * @throws InvalidArgumentException if value is not between 0 and 900
+     */
+    public static function getCharacterSetEciByValue(int $value) : ?self
+    {
+        if ($value < 0 || $value >= 900) {
+            throw new InvalidArgumentException('Value must be between 0 and 900');
+        }
+
+        $valueToEci = self::valueToEci();
+
+        if (! array_key_exists($value, $valueToEci)) {
+            return null;
+        }
+
+        return $valueToEci[$value];
+    }
+
+    /**
+     * Returns character set ECI by name.
+     *
+     * Returns the representing ECI of a given name, or null if it is legal but unsupported
+     */
+    public static function getCharacterSetEciByName(string $name) : ?self
+    {
+        $nameToEci = self::nameToEci();
+        $name = strtolower($name);
+
+        if (! array_key_exists($name, $nameToEci)) {
+            return null;
+        }
+
+        return $nameToEci[$name];
+    }
+
+    private static function valueToEci() : array
+    {
+        if (null !== self::$valueToEci) {
+            return self::$valueToEci;
+        }
+
+        self::$valueToEci = [];
+
+        foreach (self::values() as $eci) {
+            foreach ($eci->values as $value) {
+                self::$valueToEci[$value] = $eci;
+            }
+        }
+
+        return self::$valueToEci;
+    }
+
+    private static function nameToEci() : array
+    {
+        if (null !== self::$nameToEci) {
+            return self::$nameToEci;
+        }
+
+        self::$nameToEci = [];
+
+        foreach (self::values() as $eci) {
+            self::$nameToEci[strtolower($eci->name())] = $eci;
+
+            foreach ($eci->otherEncodingNames as $name) {
+                self::$nameToEci[strtolower($name)] = $eci;
+            }
+        }
+
+        return self::$nameToEci;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/EcBlock.php b/vendor/bacon/bacon-qr-code/src/Common/EcBlock.php
new file mode 100755
index 0000000..a9a1d07
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/EcBlock.php
@@ -0,0 +1,49 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+/**
+ * Encapsulates the parameters for one error-correction block in one symbol version.
+ *
+ * This includes the number of data codewords, and the number of times a block with these parameters is used
+ * consecutively in the QR code version's format.
+ */
+final class EcBlock
+{
+    /**
+     * How many times the block is used.
+     *
+     * @var int
+     */
+    private $count;
+
+    /**
+     * Number of data codewords.
+     *
+     * @var int
+     */
+    private $dataCodewords;
+
+    public function __construct(int $count, int $dataCodewords)
+    {
+        $this->count = $count;
+        $this->dataCodewords = $dataCodewords;
+    }
+
+    /**
+     * Returns how many times the block is used.
+     */
+    public function getCount() : int
+    {
+        return $this->count;
+    }
+
+    /**
+     * Returns the number of data codewords.
+     */
+    public function getDataCodewords() : int
+    {
+        return $this->dataCodewords;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/EcBlocks.php b/vendor/bacon/bacon-qr-code/src/Common/EcBlocks.php
new file mode 100755
index 0000000..172b5f2
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/EcBlocks.php
@@ -0,0 +1,74 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+/**
+ * Encapsulates a set of error-correction blocks in one symbol version.
+ *
+ * Most versions will use blocks of differing sizes within one version, so, this encapsulates the parameters for each
+ * set of blocks. It also holds the number of error-correction codewords per block since it will be the same across all
+ * blocks within one version.
+ */
+final class EcBlocks
+{
+    /**
+     * Number of EC codewords per block.
+     *
+     * @var int
+     */
+    private $ecCodewordsPerBlock;
+
+    /**
+     * List of EC blocks.
+     *
+     * @var EcBlock[]
+     */
+    private $ecBlocks;
+
+    public function __construct(int $ecCodewordsPerBlock, EcBlock ...$ecBlocks)
+    {
+        $this->ecCodewordsPerBlock = $ecCodewordsPerBlock;
+        $this->ecBlocks = $ecBlocks;
+    }
+
+    /**
+     * Returns the number of EC codewords per block.
+     */
+    public function getEcCodewordsPerBlock() : int
+    {
+        return $this->ecCodewordsPerBlock;
+    }
+
+    /**
+     * Returns the total number of EC block appearances.
+     */
+    public function getNumBlocks() : int
+    {
+        $total = 0;
+
+        foreach ($this->ecBlocks as $ecBlock) {
+            $total += $ecBlock->getCount();
+        }
+
+        return $total;
+    }
+
+    /**
+     * Returns the total count of EC codewords.
+     */
+    public function getTotalEcCodewords() : int
+    {
+        return $this->ecCodewordsPerBlock * $this->getNumBlocks();
+    }
+
+    /**
+     * Returns the EC blocks included in this collection.
+     *
+     * @return EcBlock[]
+     */
+    public function getEcBlocks() : array
+    {
+        return $this->ecBlocks;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/ErrorCorrectionLevel.php b/vendor/bacon/bacon-qr-code/src/Common/ErrorCorrectionLevel.php
new file mode 100755
index 0000000..9bbf440
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/ErrorCorrectionLevel.php
@@ -0,0 +1,63 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\OutOfBoundsException;
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * Enum representing the four error correction levels.
+ *
+ * @method static self L() ~7% correction
+ * @method static self M() ~15% correction
+ * @method static self Q() ~25% correction
+ * @method static self H() ~30% correction
+ */
+final class ErrorCorrectionLevel extends AbstractEnum
+{
+    protected const L = [0x01];
+    protected const M = [0x00];
+    protected const Q = [0x03];
+    protected const H = [0x02];
+
+    /**
+     * @var int
+     */
+    private $bits;
+
+    protected function __construct(int $bits)
+    {
+        $this->bits = $bits;
+    }
+
+    /**
+     * @throws OutOfBoundsException if number of bits is invalid
+     */
+    public static function forBits(int $bits) : self
+    {
+        switch ($bits) {
+            case 0:
+                return self::M();
+
+            case 1:
+                return self::L();
+
+            case 2:
+                return self::H();
+
+            case 3:
+                return self::Q();
+        }
+
+        throw new OutOfBoundsException('Invalid number of bits');
+    }
+
+    /**
+     * Returns the two bits used to encode this error correction level.
+     */
+    public function getBits() : int
+    {
+        return $this->bits;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/FormatInformation.php b/vendor/bacon/bacon-qr-code/src/Common/FormatInformation.php
new file mode 100755
index 0000000..53e3541
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/FormatInformation.php
@@ -0,0 +1,203 @@
+<?php
+/**
+ * BaconQrCode
+ *
+ * @link      http://github.com/Bacon/BaconQrCode For the canonical source repository
+ * @copyright 2013 Ben 'DASPRiD' Scholzen
+ * @license   http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
+ */
+
+namespace BaconQrCode\Common;
+
+/**
+ * Encapsulates a QR Code's format information, including the data mask used and error correction level.
+ */
+class FormatInformation
+{
+    /**
+     * Mask for format information.
+     */
+    private const FORMAT_INFO_MASK_QR = 0x5412;
+
+    /**
+     * Lookup table for decoding format information.
+     *
+     * See ISO 18004:2006, Annex C, Table C.1
+     */
+    private const FORMAT_INFO_DECODE_LOOKUP = [
+        [0x5412, 0x00],
+        [0x5125, 0x01],
+        [0x5e7c, 0x02],
+        [0x5b4b, 0x03],
+        [0x45f9, 0x04],
+        [0x40ce, 0x05],
+        [0x4f97, 0x06],
+        [0x4aa0, 0x07],
+        [0x77c4, 0x08],
+        [0x72f3, 0x09],
+        [0x7daa, 0x0a],
+        [0x789d, 0x0b],
+        [0x662f, 0x0c],
+        [0x6318, 0x0d],
+        [0x6c41, 0x0e],
+        [0x6976, 0x0f],
+        [0x1689, 0x10],
+        [0x13be, 0x11],
+        [0x1ce7, 0x12],
+        [0x19d0, 0x13],
+        [0x0762, 0x14],
+        [0x0255, 0x15],
+        [0x0d0c, 0x16],
+        [0x083b, 0x17],
+        [0x355f, 0x18],
+        [0x3068, 0x19],
+        [0x3f31, 0x1a],
+        [0x3a06, 0x1b],
+        [0x24b4, 0x1c],
+        [0x2183, 0x1d],
+        [0x2eda, 0x1e],
+        [0x2bed, 0x1f],
+    ];
+
+    /**
+     * Offset i holds the number of 1 bits in the binary representation of i.
+     *
+     * @var array
+     */
+    private const BITS_SET_IN_HALF_BYTE = [0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4];
+
+    /**
+     * Error correction level.
+     *
+     * @var ErrorCorrectionLevel
+     */
+    private $ecLevel;
+
+    /**
+     * Data mask.
+     *
+     * @var int
+     */
+    private $dataMask;
+
+    protected function __construct(int $formatInfo)
+    {
+        $this->ecLevel = ErrorCorrectionLevel::forBits(($formatInfo >> 3) & 0x3);
+        $this->dataMask = $formatInfo & 0x7;
+    }
+
+    /**
+     * Checks how many bits are different between two integers.
+     */
+    public static function numBitsDiffering(int $a, int $b) : int
+    {
+        $a ^= $b;
+
+        return (
+            self::BITS_SET_IN_HALF_BYTE[$a & 0xf]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 4) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 8) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 12) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 16) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 20) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 24) & 0xf)]
+            + self::BITS_SET_IN_HALF_BYTE[(BitUtils::unsignedRightShift($a, 28) & 0xf)]
+        );
+    }
+
+    /**
+     * Decodes format information.
+     */
+    public static function decodeFormatInformation(int $maskedFormatInfo1, int $maskedFormatInfo2) : ?self
+    {
+        $formatInfo = self::doDecodeFormatInformation($maskedFormatInfo1, $maskedFormatInfo2);
+
+        if (null !== $formatInfo) {
+            return $formatInfo;
+        }
+
+        // Should return null, but, some QR codes apparently do not mask this info. Try again by actually masking the
+        // pattern first.
+        return self::doDecodeFormatInformation(
+            $maskedFormatInfo1 ^ self::FORMAT_INFO_MASK_QR,
+            $maskedFormatInfo2 ^ self::FORMAT_INFO_MASK_QR
+        );
+    }
+
+    /**
+     * Internal method for decoding format information.
+     */
+    private static function doDecodeFormatInformation(int $maskedFormatInfo1, int $maskedFormatInfo2) : ?self
+    {
+        $bestDifference = PHP_INT_MAX;
+        $bestFormatInfo = 0;
+
+        foreach (self::FORMAT_INFO_DECODE_LOOKUP as $decodeInfo) {
+            $targetInfo = $decodeInfo[0];
+
+            if ($targetInfo === $maskedFormatInfo1 || $targetInfo === $maskedFormatInfo2) {
+                // Found an exact match
+                return new self($decodeInfo[1]);
+            }
+
+            $bitsDifference = self::numBitsDiffering($maskedFormatInfo1, $targetInfo);
+
+            if ($bitsDifference < $bestDifference) {
+                $bestFormatInfo = $decodeInfo[1];
+                $bestDifference = $bitsDifference;
+            }
+
+            if ($maskedFormatInfo1 !== $maskedFormatInfo2) {
+                // Also try the other option
+                $bitsDifference = self::numBitsDiffering($maskedFormatInfo2, $targetInfo);
+
+                if ($bitsDifference < $bestDifference) {
+                    $bestFormatInfo = $decodeInfo[1];
+                    $bestDifference = $bitsDifference;
+                }
+            }
+        }
+
+        // Hamming distance of the 32 masked codes is 7, by construction, so <= 3 bits differing means we found a match.
+        if ($bestDifference <= 3) {
+            return new self($bestFormatInfo);
+        }
+
+        return null;
+    }
+
+    /**
+     * Returns the error correction level.
+     */
+    public function getErrorCorrectionLevel() : ErrorCorrectionLevel
+    {
+        return $this->ecLevel;
+    }
+
+    /**
+     * Returns the data mask.
+     */
+    public function getDataMask() : int
+    {
+        return $this->dataMask;
+    }
+
+    /**
+     * Hashes the code of the EC level.
+     */
+    public function hashCode() : int
+    {
+        return ($this->ecLevel->getBits() << 3) | $this->dataMask;
+    }
+
+    /**
+     * Verifies if this instance equals another one.
+     */
+    public function equals(self $other) : bool
+    {
+        return (
+            $this->ecLevel === $other->ecLevel
+            && $this->dataMask === $other->dataMask
+        );
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/Mode.php b/vendor/bacon/bacon-qr-code/src/Common/Mode.php
new file mode 100755
index 0000000..51e6c9a
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/Mode.php
@@ -0,0 +1,76 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * Enum representing various modes in which data can be encoded to bits.
+ *
+ * @method static self TERMINATOR()
+ * @method static self NUMERIC()
+ * @method static self ALPHANUMERIC()
+ * @method static self STRUCTURED_APPEND()
+ * @method static self BYTE()
+ * @method static self ECI()
+ * @method static self KANJI()
+ * @method static self FNC1_FIRST_POSITION()
+ * @method static self FNC1_SECOND_POSITION()
+ * @method static self HANZI()
+ */
+final class Mode extends AbstractEnum
+{
+    protected const TERMINATOR = [[0, 0, 0], 0x00];
+    protected const NUMERIC = [[10, 12, 14], 0x01];
+    protected const ALPHANUMERIC = [[9, 11, 13], 0x02];
+    protected const STRUCTURED_APPEND = [[0, 0, 0], 0x03];
+    protected const BYTE = [[8, 16, 16], 0x04];
+    protected const ECI = [[0, 0, 0], 0x07];
+    protected const KANJI = [[8, 10, 12], 0x08];
+    protected const FNC1_FIRST_POSITION = [[0, 0, 0], 0x05];
+    protected const FNC1_SECOND_POSITION = [[0, 0, 0], 0x09];
+    protected const HANZI = [[8, 10, 12], 0x0d];
+
+    /**
+     * @var int[]
+     */
+    private $characterCountBitsForVersions;
+
+    /**
+     * @var int
+     */
+    private $bits;
+
+    protected function __construct(array $characterCountBitsForVersions, int $bits)
+    {
+        $this->characterCountBitsForVersions = $characterCountBitsForVersions;
+        $this->bits = $bits;
+    }
+
+    /**
+     * Returns the number of bits used in a specific QR code version.
+     */
+    public function getCharacterCountBits(Version $version) : int
+    {
+        $number = $version->getVersionNumber();
+
+        if ($number <= 9) {
+            $offset = 0;
+        } elseif ($number <= 26) {
+            $offset = 1;
+        } else {
+            $offset = 2;
+        }
+
+        return $this->characterCountBitsForVersions[$offset];
+    }
+
+    /**
+     * Returns the four bits used to encode this mode.
+     */
+    public function getBits() : int
+    {
+        return $this->bits;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php b/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php
new file mode 100755
index 0000000..a5aad0b
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php
@@ -0,0 +1,468 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\InvalidArgumentException;
+use BaconQrCode\Exception\RuntimeException;
+use SplFixedArray;
+
+/**
+ * Reed-Solomon codec for 8-bit characters.
+ *
+ * Based on libfec by Phil Karn, KA9Q.
+ */
+final class ReedSolomonCodec
+{
+    /**
+     * Symbol size in bits.
+     *
+     * @var int
+     */
+    private $symbolSize;
+
+    /**
+     * Block size in symbols.
+     *
+     * @var int
+     */
+    private $blockSize;
+
+    /**
+     * First root of RS code generator polynomial, index form.
+     *
+     * @var int
+     */
+    private $firstRoot;
+
+    /**
+     * Primitive element to generate polynomial roots, index form.
+     *
+     * @var int
+     */
+    private $primitive;
+
+    /**
+     * Prim-th root of 1, index form.
+     *
+     * @var int
+     */
+    private $iPrimitive;
+
+    /**
+     * RS code generator polynomial degree (number of roots).
+     *
+     * @var int
+     */
+    private $numRoots;
+
+    /**
+     * Padding bytes at front of shortened block.
+     *
+     * @var int
+     */
+    private $padding;
+
+    /**
+     * Log lookup table.
+     *
+     * @var SplFixedArray
+     */
+    private $alphaTo;
+
+    /**
+     * Anti-Log lookup table.
+     *
+     * @var SplFixedArray
+     */
+    private $indexOf;
+
+    /**
+     * Generator polynomial.
+     *
+     * @var SplFixedArray
+     */
+    private $generatorPoly;
+
+    /**
+     * @throws InvalidArgumentException if symbol size ist not between 0 and 8
+     * @throws InvalidArgumentException if first root is invalid
+     * @throws InvalidArgumentException if num roots is invalid
+     * @throws InvalidArgumentException if padding is invalid
+     * @throws RuntimeException if field generator polynomial is not primitive
+     */
+    public function __construct(
+        int $symbolSize,
+        int $gfPoly,
+        int $firstRoot,
+        int $primitive,
+        int $numRoots,
+        int $padding
+    ) {
+        if ($symbolSize < 0 || $symbolSize > 8) {
+            throw new InvalidArgumentException('Symbol size must be between 0 and 8');
+        }
+
+        if ($firstRoot < 0 || $firstRoot >= (1 << $symbolSize)) {
+            throw new InvalidArgumentException('First root must be between 0 and ' . (1 << $symbolSize));
+        }
+
+        if ($numRoots < 0 || $numRoots >= (1 << $symbolSize)) {
+            throw new InvalidArgumentException('Num roots must be between 0 and ' . (1 << $symbolSize));
+        }
+
+        if ($padding < 0 || $padding >= ((1 << $symbolSize) - 1 - $numRoots)) {
+            throw new InvalidArgumentException(
+                'Padding must be between 0 and ' . ((1 << $symbolSize) - 1 - $numRoots)
+            );
+        }
+
+        $this->symbolSize = $symbolSize;
+        $this->blockSize = (1 << $symbolSize) - 1;
+        $this->padding = $padding;
+        $this->alphaTo = SplFixedArray::fromArray(array_fill(0, $this->blockSize + 1, 0), false);
+        $this->indexOf = SplFixedArray::fromArray(array_fill(0, $this->blockSize + 1, 0), false);
+
+        // Generate galous field lookup table
+        $this->indexOf[0] = $this->blockSize;
+        $this->alphaTo[$this->blockSize] = 0;
+
+        $sr = 1;
+
+        for ($i = 0; $i < $this->blockSize; ++$i) {
+            $this->indexOf[$sr] = $i;
+            $this->alphaTo[$i]  = $sr;
+
+            $sr <<= 1;
+
+            if ($sr & (1 << $symbolSize)) {
+                $sr ^= $gfPoly;
+            }
+
+            $sr &= $this->blockSize;
+        }
+
+        if (1 !== $sr) {
+            throw new RuntimeException('Field generator polynomial is not primitive');
+        }
+
+        // Form RS code generator polynomial from its roots
+        $this->generatorPoly = SplFixedArray::fromArray(array_fill(0, $numRoots + 1, 0), false);
+        $this->firstRoot = $firstRoot;
+        $this->primitive = $primitive;
+        $this->numRoots = $numRoots;
+
+        // Find prim-th root of 1, used in decoding
+        for ($iPrimitive = 1; ($iPrimitive % $primitive) !== 0; $iPrimitive += $this->blockSize) {
+        }
+
+        $this->iPrimitive = intdiv($iPrimitive, $primitive);
+
+        $this->generatorPoly[0] = 1;
+
+        for ($i = 0, $root = $firstRoot * $primitive; $i < $numRoots; ++$i, $root += $primitive) {
+            $this->generatorPoly[$i + 1] = 1;
+
+            for ($j = $i; $j > 0; $j--) {
+                if ($this->generatorPoly[$j] !== 0) {
+                    $this->generatorPoly[$j] = $this->generatorPoly[$j - 1] ^ $this->alphaTo[
+                        $this->modNn($this->indexOf[$this->generatorPoly[$j]] + $root)
+                    ];
+                } else {
+                    $this->generatorPoly[$j] = $this->generatorPoly[$j - 1];
+                }
+            }
+
+            $this->generatorPoly[$j] = $this->alphaTo[$this->modNn($this->indexOf[$this->generatorPoly[0]] + $root)];
+        }
+
+        // Convert generator poly to index form for quicker encoding
+        for ($i = 0; $i <= $numRoots; ++$i) {
+            $this->generatorPoly[$i] = $this->indexOf[$this->generatorPoly[$i]];
+        }
+    }
+
+    /**
+     * Encodes data and writes result back into parity array.
+     */
+    public function encode(SplFixedArray $data, SplFixedArray $parity) : void
+    {
+        for ($i = 0; $i < $this->numRoots; ++$i) {
+            $parity[$i] = 0;
+        }
+
+        $iterations = $this->blockSize - $this->numRoots - $this->padding;
+
+        for ($i = 0; $i < $iterations; ++$i) {
+            $feedback = $this->indexOf[$data[$i] ^ $parity[0]];
+
+            if ($feedback !== $this->blockSize) {
+                // Feedback term is non-zero
+                $feedback = $this->modNn($this->blockSize - $this->generatorPoly[$this->numRoots] + $feedback);
+
+                for ($j = 1; $j < $this->numRoots; ++$j) {
+                    $parity[$j] = $parity[$j] ^ $this->alphaTo[
+                        $this->modNn($feedback + $this->generatorPoly[$this->numRoots - $j])
+                    ];
+                }
+            }
+
+            for ($j = 0; $j < $this->numRoots - 1; ++$j) {
+                $parity[$j] = $parity[$j + 1];
+            }
+
+            if ($feedback !== $this->blockSize) {
+                $parity[$this->numRoots - 1] = $this->alphaTo[$this->modNn($feedback + $this->generatorPoly[0])];
+            } else {
+                $parity[$this->numRoots - 1] = 0;
+            }
+        }
+    }
+
+    /**
+     * Decodes received data.
+     */
+    public function decode(SplFixedArray $data, SplFixedArray $erasures = null) : ?int
+    {
+        // This speeds up the initialization a bit.
+        $numRootsPlusOne = SplFixedArray::fromArray(array_fill(0, $this->numRoots + 1, 0), false);
+        $numRoots = SplFixedArray::fromArray(array_fill(0, $this->numRoots, 0), false);
+
+        $lambda = clone $numRootsPlusOne;
+        $b = clone $numRootsPlusOne;
+        $t = clone $numRootsPlusOne;
+        $omega = clone $numRootsPlusOne;
+        $root = clone $numRoots;
+        $loc = clone $numRoots;
+
+        $numErasures = (null !== $erasures ? count($erasures) : 0);
+
+        // Form the Syndromes; i.e., evaluate data(x) at roots of g(x)
+        $syndromes = SplFixedArray::fromArray(array_fill(0, $this->numRoots, $data[0]), false);
+
+        for ($i = 1; $i < $this->blockSize - $this->padding; ++$i) {
+            for ($j = 0; $j < $this->numRoots; ++$j) {
+                if ($syndromes[$j] === 0) {
+                    $syndromes[$j] = $data[$i];
+                } else {
+                    $syndromes[$j] = $data[$i] ^ $this->alphaTo[
+                        $this->modNn($this->indexOf[$syndromes[$j]] + ($this->firstRoot + $j) * $this->primitive)
+                    ];
+                }
+            }
+        }
+
+        // Convert syndromes to index form, checking for nonzero conditions
+        $syndromeError = 0;
+
+        for ($i = 0; $i < $this->numRoots; ++$i) {
+            $syndromeError |= $syndromes[$i];
+            $syndromes[$i] = $this->indexOf[$syndromes[$i]];
+        }
+
+        if (! $syndromeError) {
+            // If syndrome is zero, data[] is a codeword and there are no errors to correct, so return data[]
+            // unmodified.
+            return 0;
+        }
+
+        $lambda[0] = 1;
+
+        if ($numErasures > 0) {
+            // Init lambda to be the erasure locator polynomial
+            $lambda[1] = $this->alphaTo[$this->modNn($this->primitive * ($this->blockSize - 1 - $erasures[0]))];
+
+            for ($i = 1; $i < $numErasures; ++$i) {
+                $u = $this->modNn($this->primitive * ($this->blockSize - 1 - $erasures[$i]));
+
+                for ($j = $i + 1; $j > 0; --$j) {
+                    $tmp = $this->indexOf[$lambda[$j - 1]];
+
+                    if ($tmp !== $this->blockSize) {
+                        $lambda[$j] = $lambda[$j] ^ $this->alphaTo[$this->modNn($u + $tmp)];
+                    }
+                }
+            }
+        }
+
+        for ($i = 0; $i <= $this->numRoots; ++$i) {
+            $b[$i] = $this->indexOf[$lambda[$i]];
+        }
+
+        // Begin Berlekamp-Massey algorithm to determine error+erasure locator polynomial
+        $r  = $numErasures;
+        $el = $numErasures;
+
+        while (++$r <= $this->numRoots) {
+            // Compute discrepancy at the r-th step in poly form
+            $discrepancyR = 0;
+
+            for ($i = 0; $i < $r; ++$i) {
+                if ($lambda[$i] !== 0 && $syndromes[$r - $i - 1] !== $this->blockSize) {
+                    $discrepancyR ^= $this->alphaTo[
+                        $this->modNn($this->indexOf[$lambda[$i]] + $syndromes[$r - $i - 1])
+                    ];
+                }
+            }
+
+            $discrepancyR = $this->indexOf[$discrepancyR];
+
+            if ($discrepancyR === $this->blockSize) {
+                $tmp = $b->toArray();
+                array_unshift($tmp, $this->blockSize);
+                array_pop($tmp);
+                $b = SplFixedArray::fromArray($tmp, false);
+                continue;
+            }
+
+            $t[0] = $lambda[0];
+
+            for ($i = 0; $i < $this->numRoots; ++$i) {
+                if ($b[$i] !== $this->blockSize) {
+                    $t[$i + 1] = $lambda[$i + 1] ^ $this->alphaTo[$this->modNn($discrepancyR + $b[$i])];
+                } else {
+                    $t[$i + 1] = $lambda[$i + 1];
+                }
+            }
+
+            if (2 * $el <= $r + $numErasures - 1) {
+                $el = $r + $numErasures - $el;
+
+                for ($i = 0; $i <= $this->numRoots; ++$i) {
+                    $b[$i] = (
+                        $lambda[$i] === 0
+                        ? $this->blockSize
+                        : $this->modNn($this->indexOf[$lambda[$i]] - $discrepancyR + $this->blockSize)
+                    );
+                }
+            } else {
+                $tmp = $b->toArray();
+                array_unshift($tmp, $this->blockSize);
+                array_pop($tmp);
+                $b = SplFixedArray::fromArray($tmp, false);
+            }
+
+            $lambda = clone $t;
+        }
+
+        // Convert lambda to index form and compute deg(lambda(x))
+        $degLambda = 0;
+
+        for ($i = 0; $i <= $this->numRoots; ++$i) {
+            $lambda[$i] = $this->indexOf[$lambda[$i]];
+
+            if ($lambda[$i] !== $this->blockSize) {
+                $degLambda = $i;
+            }
+        }
+
+        // Find roots of the error+erasure locator polynomial by Chien search.
+        $reg = clone $lambda;
+        $reg[0] = 0;
+        $count = 0;
+        $i = 1;
+
+        for ($k = $this->iPrimitive - 1; $i <= $this->blockSize; ++$i, $k = $this->modNn($k + $this->iPrimitive)) {
+            $q = 1;
+
+            for ($j = $degLambda; $j > 0; $j--) {
+                if ($reg[$j] !== $this->blockSize) {
+                    $reg[$j] = $this->modNn($reg[$j] + $j);
+                    $q ^= $this->alphaTo[$reg[$j]];
+                }
+            }
+
+            if ($q !== 0) {
+                // Not a root
+                continue;
+            }
+
+            // Store root (index-form) and error location number
+            $root[$count] = $i;
+            $loc[$count] = $k;
+
+            if (++$count === $degLambda) {
+                break;
+            }
+        }
+
+        if ($degLambda !== $count) {
+            // deg(lambda) unequal to number of roots: uncorrectable error detected
+            return null;
+        }
+
+        // Compute err+eras evaluate poly omega(x) = s(x)*lambda(x) (modulo x**numRoots). In index form. Also find
+        // deg(omega).
+        $degOmega = $degLambda - 1;
+
+        for ($i = 0; $i <= $degOmega; ++$i) {
+            $tmp = 0;
+
+            for ($j = $i; $j >= 0; --$j) {
+                if ($syndromes[$i - $j] !== $this->blockSize && $lambda[$j] !== $this->blockSize) {
+                    $tmp ^= $this->alphaTo[$this->modNn($syndromes[$i - $j] + $lambda[$j])];
+                }
+            }
+
+            $omega[$i] = $this->indexOf[$tmp];
+        }
+
+        // Compute error values in poly-form. num1 = omega(inv(X(l))), num2 = inv(X(l))**(firstRoot-1) and
+        // den = lambda_pr(inv(X(l))) all in poly form.
+        for ($j = $count - 1; $j >= 0; --$j) {
+            $num1 = 0;
+
+            for ($i = $degOmega; $i >= 0; $i--) {
+                if ($omega[$i] !== $this->blockSize) {
+                    $num1 ^= $this->alphaTo[$this->modNn($omega[$i] + $i * $root[$j])];
+                }
+            }
+
+            $num2 = $this->alphaTo[$this->modNn($root[$j] * ($this->firstRoot - 1) + $this->blockSize)];
+            $den  = 0;
+
+            // lambda[i+1] for i even is the formal derivativelambda_pr of lambda[i]
+            for ($i = min($degLambda, $this->numRoots - 1) & ~1; $i >= 0; $i -= 2) {
+                if ($lambda[$i + 1] !== $this->blockSize) {
+                    $den ^= $this->alphaTo[$this->modNn($lambda[$i + 1] + $i * $root[$j])];
+                }
+            }
+
+            // Apply error to data
+            if ($num1 !== 0 && $loc[$j] >= $this->padding) {
+                $data[$loc[$j] - $this->padding] = $data[$loc[$j] - $this->padding] ^ (
+                    $this->alphaTo[
+                        $this->modNn(
+                            $this->indexOf[$num1] + $this->indexOf[$num2] + $this->blockSize - $this->indexOf[$den]
+                        )
+                    ]
+                );
+            }
+        }
+
+        if (null !== $erasures) {
+            if (count($erasures) < $count) {
+                $erasures->setSize($count);
+            }
+
+            for ($i = 0; $i < $count; $i++) {
+                $erasures[$i] = $loc[$i];
+            }
+        }
+
+        return $count;
+    }
+
+    /**
+     * Computes $x % GF_SIZE, where GF_SIZE is 2**GF_BITS - 1, without a slow divide.
+     */
+    private function modNn(int $x) : int
+    {
+        while ($x >= $this->blockSize) {
+            $x -= $this->blockSize;
+            $x = ($x >> $this->symbolSize) + ($x & $this->blockSize);
+        }
+
+        return $x;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Common/Version.php b/vendor/bacon/bacon-qr-code/src/Common/Version.php
new file mode 100755
index 0000000..917d048
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Common/Version.php
@@ -0,0 +1,596 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Common;
+
+use BaconQrCode\Exception\InvalidArgumentException;
+use SplFixedArray;
+
+/**
+ * Version representation.
+ */
+final class Version
+{
+    private const VERSION_DECODE_INFO = [
+        0x07c94,
+        0x085bc,
+        0x09a99,
+        0x0a4d3,
+        0x0bbf6,
+        0x0c762,
+        0x0d847,
+        0x0e60d,
+        0x0f928,
+        0x10b78,
+        0x1145d,
+        0x12a17,
+        0x13532,
+        0x149a6,
+        0x15683,
+        0x168c9,
+        0x177ec,
+        0x18ec4,
+        0x191e1,
+        0x1afab,
+        0x1b08e,
+        0x1cc1a,
+        0x1d33f,
+        0x1ed75,
+        0x1f250,
+        0x209d5,
+        0x216f0,
+        0x228ba,
+        0x2379f,
+        0x24b0b,
+        0x2542e,
+        0x26a64,
+        0x27541,
+        0x28c69,
+    ];
+
+    /**
+     * Version number of this version.
+     *
+     * @var int
+     */
+    private $versionNumber;
+
+    /**
+     * Alignment pattern centers.
+     *
+     * @var SplFixedArray
+     */
+    private $alignmentPatternCenters;
+
+    /**
+     * Error correction blocks.
+     *
+     * @var EcBlocks[]
+     */
+    private $ecBlocks;
+
+    /**
+     * Total number of codewords.
+     *
+     * @var int
+     */
+    private $totalCodewords;
+
+    /**
+     * Cached version instances.
+     *
+     * @var array<int, self>|null
+     */
+    private static $versions;
+
+    /**
+     * @param int[] $alignmentPatternCenters
+     */
+    private function __construct(
+        int $versionNumber,
+        array $alignmentPatternCenters,
+        EcBlocks ...$ecBlocks
+    ) {
+        $this->versionNumber = $versionNumber;
+        $this->alignmentPatternCenters = $alignmentPatternCenters;
+        $this->ecBlocks = $ecBlocks;
+
+        $totalCodewords = 0;
+        $ecCodewords = $ecBlocks[0]->getEcCodewordsPerBlock();
+
+        foreach ($ecBlocks[0]->getEcBlocks() as $ecBlock) {
+            $totalCodewords += $ecBlock->getCount() * ($ecBlock->getDataCodewords() + $ecCodewords);
+        }
+
+        $this->totalCodewords = $totalCodewords;
+    }
+
+    /**
+     * Returns the version number.
+     */
+    public function getVersionNumber() : int
+    {
+        return $this->versionNumber;
+    }
+
+    /**
+     * Returns the alignment pattern centers.
+     *
+     * @return int[]
+     */
+    public function getAlignmentPatternCenters() : array
+    {
+        return $this->alignmentPatternCenters;
+    }
+
+    /**
+     * Returns the total number of codewords.
+     */
+    public function getTotalCodewords() : int
+    {
+        return $this->totalCodewords;
+    }
+
+    /**
+     * Calculates the dimension for the current version.
+     */
+    public function getDimensionForVersion() : int
+    {
+        return 17 + 4 * $this->versionNumber;
+    }
+
+    /**
+     * Returns the number of EC blocks for a specific EC level.
+     */
+    public function getEcBlocksForLevel(ErrorCorrectionLevel $ecLevel) : EcBlocks
+    {
+        return $this->ecBlocks[$ecLevel->ordinal()];
+    }
+
+    /**
+     * Gets a provisional version number for a specific dimension.
+     *
+     * @throws InvalidArgumentException if dimension is not 1 mod 4
+     */
+    public static function getProvisionalVersionForDimension(int $dimension) : self
+    {
+        if (1 !== $dimension % 4) {
+            throw new InvalidArgumentException('Dimension is not 1 mod 4');
+        }
+
+        return self::getVersionForNumber(intdiv($dimension - 17, 4));
+    }
+
+    /**
+     * Gets a version instance for a specific version number.
+     *
+     * @throws InvalidArgumentException if version number is out of range
+     */
+    public static function getVersionForNumber(int $versionNumber) : self
+    {
+        if ($versionNumber < 1 || $versionNumber > 40) {
+            throw new InvalidArgumentException('Version number must be between 1 and 40');
+        }
+
+        return self::versions()[$versionNumber - 1];
+    }
+
+    /**
+     * Decodes version information from an integer and returns the version.
+     */
+    public static function decodeVersionInformation(int $versionBits) : ?self
+    {
+        $bestDifference = PHP_INT_MAX;
+        $bestVersion = 0;
+
+        foreach (self::VERSION_DECODE_INFO as $i => $targetVersion) {
+            if ($targetVersion === $versionBits) {
+                return self::getVersionForNumber($i + 7);
+            }
+
+            $bitsDifference = FormatInformation::numBitsDiffering($versionBits, $targetVersion);
+
+            if ($bitsDifference < $bestDifference) {
+                $bestVersion = $i + 7;
+                $bestDifference = $bitsDifference;
+            }
+        }
+
+        if ($bestDifference <= 3) {
+            return self::getVersionForNumber($bestVersion);
+        }
+
+        return null;
+    }
+
+    /**
+     * Builds the function pattern for the current version.
+     */
+    public function buildFunctionPattern() : BitMatrix
+    {
+        $dimension = $this->getDimensionForVersion();
+        $bitMatrix = new BitMatrix($dimension);
+
+        // Top left finder pattern + separator + format
+        $bitMatrix->setRegion(0, 0, 9, 9);
+        // Top right finder pattern + separator + format
+        $bitMatrix->setRegion($dimension - 8, 0, 8, 9);
+        // Bottom left finder pattern + separator + format
+        $bitMatrix->setRegion(0, $dimension - 8, 9, 8);
+
+        // Alignment patterns
+        $max = count($this->alignmentPatternCenters);
+
+        for ($x = 0; $x < $max; ++$x) {
+            $i = $this->alignmentPatternCenters[$x] - 2;
+
+            for ($y = 0; $y < $max; ++$y) {
+                if (($x === 0 && ($y === 0 || $y === $max - 1)) || ($x === $max - 1 && $y === 0)) {
+                    // No alignment patterns near the three finder paterns
+                    continue;
+                }
+
+                $bitMatrix->setRegion($this->alignmentPatternCenters[$y] - 2, $i, 5, 5);
+            }
+        }
+
+        // Vertical timing pattern
+        $bitMatrix->setRegion(6, 9, 1, $dimension - 17);
+        // Horizontal timing pattern
+        $bitMatrix->setRegion(9, 6, $dimension - 17, 1);
+
+        if ($this->versionNumber > 6) {
+            // Version info, top right
+            $bitMatrix->setRegion($dimension - 11, 0, 3, 6);
+            // Version info, bottom left
+            $bitMatrix->setRegion(0, $dimension - 11, 6, 3);
+        }
+
+        return $bitMatrix;
+    }
+
+    /**
+     * Returns a string representation for the version.
+     */
+    public function __toString() : string
+    {
+        return (string) $this->versionNumber;
+    }
+
+    /**
+     * Build and cache a specific version.
+     *
+     * See ISO 18004:2006 6.5.1 Table 9.
+     *
+     * @return array<int, self>
+     */
+    private static function versions() : array
+    {
+        if (null !== self::$versions) {
+            return self::$versions;
+        }
+
+        return self::$versions = [
+            new self(
+                1,
+                [],
+                new EcBlocks(7, new EcBlock(1, 19)),
+                new EcBlocks(10, new EcBlock(1, 16)),
+                new EcBlocks(13, new EcBlock(1, 13)),
+                new EcBlocks(17, new EcBlock(1, 9))
+            ),
+            new self(
+                2,
+                [6, 18],
+                new EcBlocks(10, new EcBlock(1, 34)),
+                new EcBlocks(16, new EcBlock(1, 28)),
+                new EcBlocks(22, new EcBlock(1, 22)),
+                new EcBlocks(28, new EcBlock(1, 16))
+            ),
+            new self(
+                3,
+                [6, 22],
+                new EcBlocks(15, new EcBlock(1, 55)),
+                new EcBlocks(26, new EcBlock(1, 44)),
+                new EcBlocks(18, new EcBlock(2, 17)),
+                new EcBlocks(22, new EcBlock(2, 13))
+            ),
+            new self(
+                4,
+                [6, 26],
+                new EcBlocks(20, new EcBlock(1, 80)),
+                new EcBlocks(18, new EcBlock(2, 32)),
+                new EcBlocks(26, new EcBlock(3, 24)),
+                new EcBlocks(16, new EcBlock(4, 9))
+            ),
+            new self(
+                5,
+                [6, 30],
+                new EcBlocks(26, new EcBlock(1, 108)),
+                new EcBlocks(24, new EcBlock(2, 43)),
+                new EcBlocks(18, new EcBlock(2, 15), new EcBlock(2, 16)),
+                new EcBlocks(22, new EcBlock(2, 11), new EcBlock(2, 12))
+            ),
+            new self(
+                6,
+                [6, 34],
+                new EcBlocks(18, new EcBlock(2, 68)),
+                new EcBlocks(16, new EcBlock(4, 27)),
+                new EcBlocks(24, new EcBlock(4, 19)),
+                new EcBlocks(28, new EcBlock(4, 15))
+            ),
+            new self(
+                7,
+                [6, 22, 38],
+                new EcBlocks(20, new EcBlock(2, 78)),
+                new EcBlocks(18, new EcBlock(4, 31)),
+                new EcBlocks(18, new EcBlock(2, 14), new EcBlock(4, 15)),
+                new EcBlocks(26, new EcBlock(4, 13), new EcBlock(1, 14))
+            ),
+            new self(
+                8,
+                [6, 24, 42],
+                new EcBlocks(24, new EcBlock(2, 97)),
+                new EcBlocks(22, new EcBlock(2, 38), new EcBlock(2, 39)),
+                new EcBlocks(22, new EcBlock(4, 18), new EcBlock(2, 19)),
+                new EcBlocks(26, new EcBlock(4, 14), new EcBlock(2, 15))
+            ),
+            new self(
+                9,
+                [6, 26, 46],
+                new EcBlocks(30, new EcBlock(2, 116)),
+                new EcBlocks(22, new EcBlock(3, 36), new EcBlock(2, 37)),
+                new EcBlocks(20, new EcBlock(4, 16), new EcBlock(4, 17)),
+                new EcBlocks(24, new EcBlock(4, 12), new EcBlock(4, 13))
+            ),
+            new self(
+                10,
+                [6, 28, 50],
+                new EcBlocks(18, new EcBlock(2, 68), new EcBlock(2, 69)),
+                new EcBlocks(26, new EcBlock(4, 43), new EcBlock(1, 44)),
+                new EcBlocks(24, new EcBlock(6, 19), new EcBlock(2, 20)),
+                new EcBlocks(28, new EcBlock(6, 15), new EcBlock(2, 16))
+            ),
+            new self(
+                11,
+                [6, 30, 54],
+                new EcBlocks(20, new EcBlock(4, 81)),
+                new EcBlocks(30, new EcBlock(1, 50), new EcBlock(4, 51)),
+                new EcBlocks(28, new EcBlock(4, 22), new EcBlock(4, 23)),
+                new EcBlocks(24, new EcBlock(3, 12), new EcBlock(8, 13))
+            ),
+            new self(
+                12,
+                [6, 32, 58],
+                new EcBlocks(24, new EcBlock(2, 92), new EcBlock(2, 93)),
+                new EcBlocks(22, new EcBlock(6, 36), new EcBlock(2, 37)),
+                new EcBlocks(26, new EcBlock(4, 20), new EcBlock(6, 21)),
+                new EcBlocks(28, new EcBlock(7, 14), new EcBlock(4, 15))
+            ),
+            new self(
+                13,
+                [6, 34, 62],
+                new EcBlocks(26, new EcBlock(4, 107)),
+                new EcBlocks(22, new EcBlock(8, 37), new EcBlock(1, 38)),
+                new EcBlocks(24, new EcBlock(8, 20), new EcBlock(4, 21)),
+                new EcBlocks(22, new EcBlock(12, 11), new EcBlock(4, 12))
+            ),
+            new self(
+                14,
+                [6, 26, 46, 66],
+                new EcBlocks(30, new EcBlock(3, 115), new EcBlock(1, 116)),
+                new EcBlocks(24, new EcBlock(4, 40), new EcBlock(5, 41)),
+                new EcBlocks(20, new EcBlock(11, 16), new EcBlock(5, 17)),
+                new EcBlocks(24, new EcBlock(11, 12), new EcBlock(5, 13))
+            ),
+            new self(
+                15,
+                [6, 26, 48, 70],
+                new EcBlocks(22, new EcBlock(5, 87), new EcBlock(1, 88)),
+                new EcBlocks(24, new EcBlock(5, 41), new EcBlock(5, 42)),
+                new EcBlocks(30, new EcBlock(5, 24), new EcBlock(7, 25)),
+                new EcBlocks(24, new EcBlock(11, 12), new EcBlock(7, 13))
+            ),
+            new self(
+                16,
+                [6, 26, 50, 74],
+                new EcBlocks(24, new EcBlock(5, 98), new EcBlock(1, 99)),
+                new EcBlocks(28, new EcBlock(7, 45), new EcBlock(3, 46)),
+                new EcBlocks(24, new EcBlock(15, 19), new EcBlock(2, 20)),
+                new EcBlocks(30, new EcBlock(3, 15), new EcBlock(13, 16))
+            ),
+            new self(
+                17,
+                [6, 30, 54, 78],
+                new EcBlocks(28, new EcBlock(1, 107), new EcBlock(5, 108)),
+                new EcBlocks(28, new EcBlock(10, 46), new EcBlock(1, 47)),
+                new EcBlocks(28, new EcBlock(1, 22), new EcBlock(15, 23)),
+                new EcBlocks(28, new EcBlock(2, 14), new EcBlock(17, 15))
+            ),
+            new self(
+                18,
+                [6, 30, 56, 82],
+                new EcBlocks(30, new EcBlock(5, 120), new EcBlock(1, 121)),
+                new EcBlocks(26, new EcBlock(9, 43), new EcBlock(4, 44)),
+                new EcBlocks(28, new EcBlock(17, 22), new EcBlock(1, 23)),
+                new EcBlocks(28, new EcBlock(2, 14), new EcBlock(19, 15))
+            ),
+            new self(
+                19,
+                [6, 30, 58, 86],
+                new EcBlocks(28, new EcBlock(3, 113), new EcBlock(4, 114)),
+                new EcBlocks(26, new EcBlock(3, 44), new EcBlock(11, 45)),
+                new EcBlocks(26, new EcBlock(17, 21), new EcBlock(4, 22)),
+                new EcBlocks(26, new EcBlock(9, 13), new EcBlock(16, 14))
+            ),
+            new self(
+                20,
+                [6, 34, 62, 90],
+                new EcBlocks(28, new EcBlock(3, 107), new EcBlock(5, 108)),
+                new EcBlocks(26, new EcBlock(3, 41), new EcBlock(13, 42)),
+                new EcBlocks(30, new EcBlock(15, 24), new EcBlock(5, 25)),
+                new EcBlocks(28, new EcBlock(15, 15), new EcBlock(10, 16))
+            ),
+            new self(
+                21,
+                [6, 28, 50, 72, 94],
+                new EcBlocks(28, new EcBlock(4, 116), new EcBlock(4, 117)),
+                new EcBlocks(26, new EcBlock(17, 42)),
+                new EcBlocks(28, new EcBlock(17, 22), new EcBlock(6, 23)),
+                new EcBlocks(30, new EcBlock(19, 16), new EcBlock(6, 17))
+            ),
+            new self(
+                22,
+                [6, 26, 50, 74, 98],
+                new EcBlocks(28, new EcBlock(2, 111), new EcBlock(7, 112)),
+                new EcBlocks(28, new EcBlock(17, 46)),
+                new EcBlocks(30, new EcBlock(7, 24), new EcBlock(16, 25)),
+                new EcBlocks(24, new EcBlock(34, 13))
+            ),
+            new self(
+                23,
+                [6, 30, 54, 78, 102],
+                new EcBlocks(30, new EcBlock(4, 121), new EcBlock(5, 122)),
+                new EcBlocks(28, new EcBlock(4, 47), new EcBlock(14, 48)),
+                new EcBlocks(30, new EcBlock(11, 24), new EcBlock(14, 25)),
+                new EcBlocks(30, new EcBlock(16, 15), new EcBlock(14, 16))
+            ),
+            new self(
+                24,
+                [6, 28, 54, 80, 106],
+                new EcBlocks(30, new EcBlock(6, 117), new EcBlock(4, 118)),
+                new EcBlocks(28, new EcBlock(6, 45), new EcBlock(14, 46)),
+                new EcBlocks(30, new EcBlock(11, 24), new EcBlock(16, 25)),
+                new EcBlocks(30, new EcBlock(30, 16), new EcBlock(2, 17))
+            ),
+            new self(
+                25,
+                [6, 32, 58, 84, 110],
+                new EcBlocks(26, new EcBlock(8, 106), new EcBlock(4, 107)),
+                new EcBlocks(28, new EcBlock(8, 47), new EcBlock(13, 48)),
+                new EcBlocks(30, new EcBlock(7, 24), new EcBlock(22, 25)),
+                new EcBlocks(30, new EcBlock(22, 15), new EcBlock(13, 16))
+            ),
+            new self(
+                26,
+                [6, 30, 58, 86, 114],
+                new EcBlocks(28, new EcBlock(10, 114), new EcBlock(2, 115)),
+                new EcBlocks(28, new EcBlock(19, 46), new EcBlock(4, 47)),
+                new EcBlocks(28, new EcBlock(28, 22), new EcBlock(6, 23)),
+                new EcBlocks(30, new EcBlock(33, 16), new EcBlock(4, 17))
+            ),
+            new self(
+                27,
+                [6, 34, 62, 90, 118],
+                new EcBlocks(30, new EcBlock(8, 122), new EcBlock(4, 123)),
+                new EcBlocks(28, new EcBlock(22, 45), new EcBlock(3, 46)),
+                new EcBlocks(30, new EcBlock(8, 23), new EcBlock(26, 24)),
+                new EcBlocks(30, new EcBlock(12, 15), new EcBlock(28, 16))
+            ),
+            new self(
+                28,
+                [6, 26, 50, 74, 98, 122],
+                new EcBlocks(30, new EcBlock(3, 117), new EcBlock(10, 118)),
+                new EcBlocks(28, new EcBlock(3, 45), new EcBlock(23, 46)),
+                new EcBlocks(30, new EcBlock(4, 24), new EcBlock(31, 25)),
+                new EcBlocks(30, new EcBlock(11, 15), new EcBlock(31, 16))
+            ),
+            new self(
+                29,
+                [6, 30, 54, 78, 102, 126],
+                new EcBlocks(30, new EcBlock(7, 116), new EcBlock(7, 117)),
+                new EcBlocks(28, new EcBlock(21, 45), new EcBlock(7, 46)),
+                new EcBlocks(30, new EcBlock(1, 23), new EcBlock(37, 24)),
+                new EcBlocks(30, new EcBlock(19, 15), new EcBlock(26, 16))
+            ),
+            new self(
+                30,
+                [6, 26, 52, 78, 104, 130],
+                new EcBlocks(30, new EcBlock(5, 115), new EcBlock(10, 116)),
+                new EcBlocks(28, new EcBlock(19, 47), new EcBlock(10, 48)),
+                new EcBlocks(30, new EcBlock(15, 24), new EcBlock(25, 25)),
+                new EcBlocks(30, new EcBlock(23, 15), new EcBlock(25, 16))
+            ),
+            new self(
+                31,
+                [6, 30, 56, 82, 108, 134],
+                new EcBlocks(30, new EcBlock(13, 115), new EcBlock(3, 116)),
+                new EcBlocks(28, new EcBlock(2, 46), new EcBlock(29, 47)),
+                new EcBlocks(30, new EcBlock(42, 24), new EcBlock(1, 25)),
+                new EcBlocks(30, new EcBlock(23, 15), new EcBlock(28, 16))
+            ),
+            new self(
+                32,
+                [6, 34, 60, 86, 112, 138],
+                new EcBlocks(30, new EcBlock(17, 115)),
+                new EcBlocks(28, new EcBlock(10, 46), new EcBlock(23, 47)),
+                new EcBlocks(30, new EcBlock(10, 24), new EcBlock(35, 25)),
+                new EcBlocks(30, new EcBlock(19, 15), new EcBlock(35, 16))
+            ),
+            new self(
+                33,
+                [6, 30, 58, 86, 114, 142],
+                new EcBlocks(30, new EcBlock(17, 115), new EcBlock(1, 116)),
+                new EcBlocks(28, new EcBlock(14, 46), new EcBlock(21, 47)),
+                new EcBlocks(30, new EcBlock(29, 24), new EcBlock(19, 25)),
+                new EcBlocks(30, new EcBlock(11, 15), new EcBlock(46, 16))
+            ),
+            new self(
+                34,
+                [6, 34, 62, 90, 118, 146],
+                new EcBlocks(30, new EcBlock(13, 115), new EcBlock(6, 116)),
+                new EcBlocks(28, new EcBlock(14, 46), new EcBlock(23, 47)),
+                new EcBlocks(30, new EcBlock(44, 24), new EcBlock(7, 25)),
+                new EcBlocks(30, new EcBlock(59, 16), new EcBlock(1, 17))
+            ),
+            new self(
+                35,
+                [6, 30, 54, 78, 102, 126, 150],
+                new EcBlocks(30, new EcBlock(12, 121), new EcBlock(7, 122)),
+                new EcBlocks(28, new EcBlock(12, 47), new EcBlock(26, 48)),
+                new EcBlocks(30, new EcBlock(39, 24), new EcBlock(14, 25)),
+                new EcBlocks(30, new EcBlock(22, 15), new EcBlock(41, 16))
+            ),
+            new self(
+                36,
+                [6, 24, 50, 76, 102, 128, 154],
+                new EcBlocks(30, new EcBlock(6, 121), new EcBlock(14, 122)),
+                new EcBlocks(28, new EcBlock(6, 47), new EcBlock(34, 48)),
+                new EcBlocks(30, new EcBlock(46, 24), new EcBlock(10, 25)),
+                new EcBlocks(30, new EcBlock(2, 15), new EcBlock(64, 16))
+            ),
+            new self(
+                37,
+                [6, 28, 54, 80, 106, 132, 158],
+                new EcBlocks(30, new EcBlock(17, 122), new EcBlock(4, 123)),
+                new EcBlocks(28, new EcBlock(29, 46), new EcBlock(14, 47)),
+                new EcBlocks(30, new EcBlock(49, 24), new EcBlock(10, 25)),
+                new EcBlocks(30, new EcBlock(24, 15), new EcBlock(46, 16))
+            ),
+            new self(
+                38,
+                [6, 32, 58, 84, 110, 136, 162],
+                new EcBlocks(30, new EcBlock(4, 122), new EcBlock(18, 123)),
+                new EcBlocks(28, new EcBlock(13, 46), new EcBlock(32, 47)),
+                new EcBlocks(30, new EcBlock(48, 24), new EcBlock(14, 25)),
+                new EcBlocks(30, new EcBlock(42, 15), new EcBlock(32, 16))
+            ),
+            new self(
+                39,
+                [6, 26, 54, 82, 110, 138, 166],
+                new EcBlocks(30, new EcBlock(20, 117), new EcBlock(4, 118)),
+                new EcBlocks(28, new EcBlock(40, 47), new EcBlock(7, 48)),
+                new EcBlocks(30, new EcBlock(43, 24), new EcBlock(22, 25)),
+                new EcBlocks(30, new EcBlock(10, 15), new EcBlock(67, 16))
+            ),
+            new self(
+                40,
+                [6, 30, 58, 86, 114, 142, 170],
+                new EcBlocks(30, new EcBlock(19, 118), new EcBlock(6, 119)),
+                new EcBlocks(28, new EcBlock(18, 47), new EcBlock(31, 48)),
+                new EcBlocks(30, new EcBlock(34, 24), new EcBlock(34, 25)),
+                new EcBlocks(30, new EcBlock(20, 15), new EcBlock(61, 16))
+            ),
+        ];
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/BlockPair.php b/vendor/bacon/bacon-qr-code/src/Encoder/BlockPair.php
new file mode 100755
index 0000000..be54afa
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/BlockPair.php
@@ -0,0 +1,58 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use SplFixedArray;
+
+/**
+ * Block pair.
+ */
+final class BlockPair
+{
+    /**
+     * Data bytes in the block.
+     *
+     * @var SplFixedArray<int>
+     */
+    private $dataBytes;
+
+    /**
+     * Error correction bytes in the block.
+     *
+     * @var SplFixedArray<int>
+     */
+    private $errorCorrectionBytes;
+
+    /**
+     * Creates a new block pair.
+     *
+     * @param SplFixedArray<int> $data
+     * @param SplFixedArray<int> $errorCorrection
+     */
+    public function __construct(SplFixedArray $data, SplFixedArray $errorCorrection)
+    {
+        $this->dataBytes = $data;
+        $this->errorCorrectionBytes = $errorCorrection;
+    }
+
+    /**
+     * Gets the data bytes.
+     *
+     * @return SplFixedArray<int>
+     */
+    public function getDataBytes() : SplFixedArray
+    {
+        return $this->dataBytes;
+    }
+
+    /**
+     * Gets the error correction bytes.
+     *
+     * @return SplFixedArray<int>
+     */
+    public function getErrorCorrectionBytes() : SplFixedArray
+    {
+        return $this->errorCorrectionBytes;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/ByteMatrix.php b/vendor/bacon/bacon-qr-code/src/Encoder/ByteMatrix.php
new file mode 100755
index 0000000..b58cc0a
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/ByteMatrix.php
@@ -0,0 +1,150 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use SplFixedArray;
+use Traversable;
+
+/**
+ * Byte matrix.
+ */
+final class ByteMatrix
+{
+    /**
+     * Bytes in the matrix, represented as array.
+     *
+     * @var SplFixedArray<SplFixedArray<int>>
+     */
+    private $bytes;
+
+    /**
+     * Width of the matrix.
+     *
+     * @var int
+     */
+    private $width;
+
+    /**
+     * Height of the matrix.
+     *
+     * @var int
+     */
+    private $height;
+
+    public function __construct(int $width, int $height)
+    {
+        $this->height = $height;
+        $this->width = $width;
+        $this->bytes = new SplFixedArray($height);
+
+        for ($y = 0; $y < $height; ++$y) {
+            $this->bytes[$y] = SplFixedArray::fromArray(array_fill(0, $width, 0));
+        }
+    }
+
+    /**
+     * Gets the width of the matrix.
+     */
+    public function getWidth() : int
+    {
+        return $this->width;
+    }
+
+    /**
+     * Gets the height of the matrix.
+     */
+    public function getHeight() : int
+    {
+        return $this->height;
+    }
+
+    /**
+     * Gets the internal representation of the matrix.
+     *
+     * @return SplFixedArray<SplFixedArray<int>>
+     */
+    public function getArray() : SplFixedArray
+    {
+        return $this->bytes;
+    }
+
+    /**
+     * @return Traversable<int>
+     */
+    public function getBytes() : Traversable
+    {
+        foreach ($this->bytes as $row) {
+            foreach ($row as $byte) {
+                yield $byte;
+            }
+        }
+    }
+
+    /**
+     * Gets the byte for a specific position.
+     */
+    public function get(int $x, int $y) : int
+    {
+        return $this->bytes[$y][$x];
+    }
+
+    /**
+     * Sets the byte for a specific position.
+     */
+    public function set(int $x, int $y, int $value) : void
+    {
+        $this->bytes[$y][$x] = $value;
+    }
+
+    /**
+     * Clears the matrix with a specific value.
+     */
+    public function clear(int $value) : void
+    {
+        for ($y = 0; $y < $this->height; ++$y) {
+            for ($x = 0; $x < $this->width; ++$x) {
+                $this->bytes[$y][$x] = $value;
+            }
+        }
+    }
+
+    public function __clone()
+    {
+        $this->bytes = clone $this->bytes;
+
+        foreach ($this->bytes as $index => $row) {
+            $this->bytes[$index] = clone $row;
+        }
+    }
+
+    /**
+     * Returns a string representation of the matrix.
+     */
+    public function __toString() : string
+    {
+        $result = '';
+
+        for ($y = 0; $y < $this->height; $y++) {
+            for ($x = 0; $x < $this->width; $x++) {
+                switch ($this->bytes[$y][$x]) {
+                    case 0:
+                        $result .= ' 0';
+                        break;
+
+                    case 1:
+                        $result .= ' 1';
+                        break;
+
+                    default:
+                        $result .= '  ';
+                        break;
+                }
+            }
+
+            $result .= "\n";
+        }
+
+        return $result;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php b/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php
new file mode 100755
index 0000000..cf4fde0
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php
@@ -0,0 +1,668 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use BaconQrCode\Common\BitArray;
+use BaconQrCode\Common\CharacterSetEci;
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Mode;
+use BaconQrCode\Common\ReedSolomonCodec;
+use BaconQrCode\Common\Version;
+use BaconQrCode\Exception\WriterException;
+use SplFixedArray;
+
+/**
+ * Encoder.
+ */
+final class Encoder
+{
+    /**
+     * Default byte encoding.
+     */
+    public const DEFAULT_BYTE_MODE_ECODING = 'ISO-8859-1';
+
+    /**
+     * The original table is defined in the table 5 of JISX0510:2004 (p.19).
+     */
+    private const ALPHANUMERIC_TABLE = [
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,  // 0x00-0x0f
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,  // 0x10-0x1f
+        36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,  // 0x20-0x2f
+        0,   1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,  // 0x30-0x3f
+        -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,  // 0x40-0x4f
+        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,  // 0x50-0x5f
+    ];
+
+    /**
+     * Codec cache.
+     *
+     * @var array
+     */
+    private static $codecs = [];
+
+    /**
+     * Encodes "content" with the error correction level "ecLevel".
+     */
+    public static function encode(
+        string $content,
+        ErrorCorrectionLevel $ecLevel,
+        string $encoding = self::DEFAULT_BYTE_MODE_ECODING,
+        ?Version $forcedVersion = null
+    ) : QrCode {
+        // Pick an encoding mode appropriate for the content. Note that this
+        // will not attempt to use multiple modes / segments even if that were
+        // more efficient. Would be nice.
+        $mode = self::chooseMode($content, $encoding);
+
+        // This will store the header information, like mode and length, as well
+        // as "header" segments like an ECI segment.
+        $headerBits = new BitArray();
+
+        // Append ECI segment if applicable
+        if (Mode::BYTE() === $mode && self::DEFAULT_BYTE_MODE_ECODING !== $encoding) {
+            $eci = CharacterSetEci::getCharacterSetEciByName($encoding);
+
+            if (null !== $eci) {
+                self::appendEci($eci, $headerBits);
+            }
+        }
+
+        // (With ECI in place,) Write the mode marker
+        self::appendModeInfo($mode, $headerBits);
+
+        // Collect data within the main segment, separately, to count its size
+        // if needed. Don't add it to main payload yet.
+        $dataBits = new BitArray();
+        self::appendBytes($content, $mode, $dataBits, $encoding);
+
+        // Hard part: need to know version to know how many bits length takes.
+        // But need to know how many bits it takes to know version. First we
+        // take a guess at version by assuming version will be the minimum, 1:
+        $provisionalBitsNeeded = $headerBits->getSize()
+            + $mode->getCharacterCountBits(Version::getVersionForNumber(1))
+            + $dataBits->getSize();
+        $provisionalVersion = self::chooseVersion($provisionalBitsNeeded, $ecLevel);
+
+        // Use that guess to calculate the right version. I am still not sure
+        // this works in 100% of cases.
+        $bitsNeeded = $headerBits->getSize()
+            + $mode->getCharacterCountBits($provisionalVersion)
+            + $dataBits->getSize();
+        $version = self::chooseVersion($bitsNeeded, $ecLevel);
+
+        if (null !== $forcedVersion) {
+            // Forced version check
+            if ($version->getVersionNumber() <= $forcedVersion->getVersionNumber()) {
+                // Calculated minimum version is same or equal as forced version
+                $version = $forcedVersion;
+            } else {
+                throw new WriterException(
+                    'Invalid version! Calculated version: '
+                    . $version->getVersionNumber()
+                    . ', requested version: '
+                    . $forcedVersion->getVersionNumber()
+                );
+            }
+        }
+
+        $headerAndDataBits = new BitArray();
+        $headerAndDataBits->appendBitArray($headerBits);
+
+        // Find "length" of main segment and write it.
+        $numLetters = (Mode::BYTE() === $mode ? $dataBits->getSizeInBytes() : strlen($content));
+        self::appendLengthInfo($numLetters, $version, $mode, $headerAndDataBits);
+
+        // Put data together into the overall payload.
+        $headerAndDataBits->appendBitArray($dataBits);
+        $ecBlocks = $version->getEcBlocksForLevel($ecLevel);
+        $numDataBytes = $version->getTotalCodewords() - $ecBlocks->getTotalEcCodewords();
+
+        // Terminate the bits properly.
+        self::terminateBits($numDataBytes, $headerAndDataBits);
+
+        // Interleave data bits with error correction code.
+        $finalBits = self::interleaveWithEcBytes(
+            $headerAndDataBits,
+            $version->getTotalCodewords(),
+            $numDataBytes,
+            $ecBlocks->getNumBlocks()
+        );
+
+        // Choose the mask pattern.
+        $dimension = $version->getDimensionForVersion();
+        $matrix = new ByteMatrix($dimension, $dimension);
+        $maskPattern = self::chooseMaskPattern($finalBits, $ecLevel, $version, $matrix);
+
+        // Build the matrix.
+        MatrixUtil::buildMatrix($finalBits, $ecLevel, $version, $maskPattern, $matrix);
+
+        return new QrCode($mode, $ecLevel, $version, $maskPattern, $matrix);
+    }
+
+    /**
+     * Gets the alphanumeric code for a byte.
+     */
+    private static function getAlphanumericCode(int $code) : int
+    {
+        if (isset(self::ALPHANUMERIC_TABLE[$code])) {
+            return self::ALPHANUMERIC_TABLE[$code];
+        }
+
+        return -1;
+    }
+
+    /**
+     * Chooses the best mode for a given content.
+     */
+    private static function chooseMode(string $content, string $encoding = null) : Mode
+    {
+        if (null !== $encoding && 0 === strcasecmp($encoding, 'SHIFT-JIS')) {
+            return self::isOnlyDoubleByteKanji($content) ? Mode::KANJI() : Mode::BYTE();
+        }
+
+        $hasNumeric = false;
+        $hasAlphanumeric = false;
+        $contentLength = strlen($content);
+
+        for ($i = 0; $i < $contentLength; ++$i) {
+            $char = $content[$i];
+
+            if (ctype_digit($char)) {
+                $hasNumeric = true;
+            } elseif (-1 !== self::getAlphanumericCode(ord($char))) {
+                $hasAlphanumeric = true;
+            } else {
+                return Mode::BYTE();
+            }
+        }
+
+        if ($hasAlphanumeric) {
+            return Mode::ALPHANUMERIC();
+        } elseif ($hasNumeric) {
+            return Mode::NUMERIC();
+        }
+
+        return Mode::BYTE();
+    }
+
+    /**
+     * Calculates the mask penalty for a matrix.
+     */
+    private static function calculateMaskPenalty(ByteMatrix $matrix) : int
+    {
+        return (
+            MaskUtil::applyMaskPenaltyRule1($matrix)
+            + MaskUtil::applyMaskPenaltyRule2($matrix)
+            + MaskUtil::applyMaskPenaltyRule3($matrix)
+            + MaskUtil::applyMaskPenaltyRule4($matrix)
+        );
+    }
+
+    /**
+     * Checks if content only consists of double-byte kanji characters.
+     */
+    private static function isOnlyDoubleByteKanji(string $content) : bool
+    {
+        $bytes = @iconv('utf-8', 'SHIFT-JIS', $content);
+
+        if (false === $bytes) {
+            return false;
+        }
+
+        $length = strlen($bytes);
+
+        if (0 !== $length % 2) {
+            return false;
+        }
+
+        for ($i = 0; $i < $length; $i += 2) {
+            $byte = $bytes[$i] & 0xff;
+
+            if (($byte < 0x81 || $byte > 0x9f) && $byte < 0xe0 || $byte > 0xeb) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Chooses the best mask pattern for a matrix.
+     */
+    private static function chooseMaskPattern(
+        BitArray $bits,
+        ErrorCorrectionLevel $ecLevel,
+        Version $version,
+        ByteMatrix $matrix
+    ) : int {
+        $minPenalty = PHP_INT_MAX;
+        $bestMaskPattern = -1;
+
+        for ($maskPattern = 0; $maskPattern < QrCode::NUM_MASK_PATTERNS; ++$maskPattern) {
+            MatrixUtil::buildMatrix($bits, $ecLevel, $version, $maskPattern, $matrix);
+            $penalty = self::calculateMaskPenalty($matrix);
+
+            if ($penalty < $minPenalty) {
+                $minPenalty = $penalty;
+                $bestMaskPattern = $maskPattern;
+            }
+        }
+
+        return $bestMaskPattern;
+    }
+
+    /**
+     * Chooses the best version for the input.
+     *
+     * @throws WriterException if data is too big
+     */
+    private static function chooseVersion(int $numInputBits, ErrorCorrectionLevel $ecLevel) : Version
+    {
+        for ($versionNum = 1; $versionNum <= 40; ++$versionNum) {
+            $version = Version::getVersionForNumber($versionNum);
+            $numBytes = $version->getTotalCodewords();
+
+            $ecBlocks = $version->getEcBlocksForLevel($ecLevel);
+            $numEcBytes = $ecBlocks->getTotalEcCodewords();
+
+            $numDataBytes = $numBytes - $numEcBytes;
+            $totalInputBytes = intdiv($numInputBits + 8, 8);
+
+            if ($numDataBytes >= $totalInputBytes) {
+                return $version;
+            }
+        }
+
+        throw new WriterException('Data too big');
+    }
+
+    /**
+     * Terminates the bits in a bit array.
+     *
+     * @throws WriterException if data bits cannot fit in the QR code
+     * @throws WriterException if bits size does not equal the capacity
+     */
+    private static function terminateBits(int $numDataBytes, BitArray $bits) : void
+    {
+        $capacity = $numDataBytes << 3;
+
+        if ($bits->getSize() > $capacity) {
+            throw new WriterException('Data bits cannot fit in the QR code');
+        }
+
+        for ($i = 0; $i < 4 && $bits->getSize() < $capacity; ++$i) {
+            $bits->appendBit(false);
+        }
+
+        $numBitsInLastByte = $bits->getSize() & 0x7;
+
+        if ($numBitsInLastByte > 0) {
+            for ($i = $numBitsInLastByte; $i < 8; ++$i) {
+                $bits->appendBit(false);
+            }
+        }
+
+        $numPaddingBytes = $numDataBytes - $bits->getSizeInBytes();
+
+        for ($i = 0; $i < $numPaddingBytes; ++$i) {
+            $bits->appendBits(0 === ($i & 0x1) ? 0xec : 0x11, 8);
+        }
+
+        if ($bits->getSize() !== $capacity) {
+            throw new WriterException('Bits size does not equal capacity');
+        }
+    }
+
+    /**
+     * Gets number of data- and EC bytes for a block ID.
+     *
+     * @return int[]
+     * @throws WriterException if block ID is too large
+     * @throws WriterException if EC bytes mismatch
+     * @throws WriterException if RS blocks mismatch
+     * @throws WriterException if total bytes mismatch
+     */
+    private static function getNumDataBytesAndNumEcBytesForBlockId(
+        int $numTotalBytes,
+        int $numDataBytes,
+        int $numRsBlocks,
+        int $blockId
+    ) : array {
+        if ($blockId >= $numRsBlocks) {
+            throw new WriterException('Block ID too large');
+        }
+
+        $numRsBlocksInGroup2 = $numTotalBytes % $numRsBlocks;
+        $numRsBlocksInGroup1 = $numRsBlocks - $numRsBlocksInGroup2;
+        $numTotalBytesInGroup1 = intdiv($numTotalBytes, $numRsBlocks);
+        $numTotalBytesInGroup2 = $numTotalBytesInGroup1 + 1;
+        $numDataBytesInGroup1 = intdiv($numDataBytes, $numRsBlocks);
+        $numDataBytesInGroup2 = $numDataBytesInGroup1 + 1;
+        $numEcBytesInGroup1 = $numTotalBytesInGroup1 - $numDataBytesInGroup1;
+        $numEcBytesInGroup2 = $numTotalBytesInGroup2 - $numDataBytesInGroup2;
+
+        if ($numEcBytesInGroup1 !== $numEcBytesInGroup2) {
+            throw new WriterException('EC bytes mismatch');
+        }
+
+        if ($numRsBlocks !== $numRsBlocksInGroup1 + $numRsBlocksInGroup2) {
+            throw new WriterException('RS blocks mismatch');
+        }
+
+        if ($numTotalBytes !==
+            (($numDataBytesInGroup1 + $numEcBytesInGroup1) * $numRsBlocksInGroup1)
+            + (($numDataBytesInGroup2 + $numEcBytesInGroup2) * $numRsBlocksInGroup2)
+        ) {
+            throw new WriterException('Total bytes mismatch');
+        }
+
+        if ($blockId < $numRsBlocksInGroup1) {
+            return [$numDataBytesInGroup1, $numEcBytesInGroup1];
+        } else {
+            return [$numDataBytesInGroup2, $numEcBytesInGroup2];
+        }
+    }
+
+    /**
+     * Interleaves data with EC bytes.
+     *
+     * @throws WriterException if number of bits and data bytes does not match
+     * @throws WriterException if data bytes does not match offset
+     * @throws WriterException if an interleaving error occurs
+     */
+    private static function interleaveWithEcBytes(
+        BitArray $bits,
+        int $numTotalBytes,
+        int $numDataBytes,
+        int $numRsBlocks
+    ) : BitArray {
+        if ($bits->getSizeInBytes() !== $numDataBytes) {
+            throw new WriterException('Number of bits and data bytes does not match');
+        }
+
+        $dataBytesOffset = 0;
+        $maxNumDataBytes = 0;
+        $maxNumEcBytes   = 0;
+
+        $blocks = new SplFixedArray($numRsBlocks);
+
+        for ($i = 0; $i < $numRsBlocks; ++$i) {
+            list($numDataBytesInBlock, $numEcBytesInBlock) = self::getNumDataBytesAndNumEcBytesForBlockId(
+                $numTotalBytes,
+                $numDataBytes,
+                $numRsBlocks,
+                $i
+            );
+
+            $size = $numDataBytesInBlock;
+            $dataBytes = $bits->toBytes(8 * $dataBytesOffset, $size);
+            $ecBytes = self::generateEcBytes($dataBytes, $numEcBytesInBlock);
+            $blocks[$i] = new BlockPair($dataBytes, $ecBytes);
+
+            $maxNumDataBytes = max($maxNumDataBytes, $size);
+            $maxNumEcBytes = max($maxNumEcBytes, count($ecBytes));
+            $dataBytesOffset += $numDataBytesInBlock;
+        }
+
+        if ($numDataBytes !== $dataBytesOffset) {
+            throw new WriterException('Data bytes does not match offset');
+        }
+
+        $result = new BitArray();
+
+        for ($i = 0; $i < $maxNumDataBytes; ++$i) {
+            foreach ($blocks as $block) {
+                $dataBytes = $block->getDataBytes();
+
+                if ($i < count($dataBytes)) {
+                    $result->appendBits($dataBytes[$i], 8);
+                }
+            }
+        }
+
+        for ($i = 0; $i < $maxNumEcBytes; ++$i) {
+            foreach ($blocks as $block) {
+                $ecBytes = $block->getErrorCorrectionBytes();
+
+                if ($i < count($ecBytes)) {
+                    $result->appendBits($ecBytes[$i], 8);
+                }
+            }
+        }
+
+        if ($numTotalBytes !== $result->getSizeInBytes()) {
+            throw new WriterException(
+                'Interleaving error: ' . $numTotalBytes . ' and ' . $result->getSizeInBytes() . ' differ'
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * Generates EC bytes for given data.
+     *
+     * @param  SplFixedArray<int> $dataBytes
+     * @return SplFixedArray<int>
+     */
+    private static function generateEcBytes(SplFixedArray $dataBytes, int $numEcBytesInBlock) : SplFixedArray
+    {
+        $numDataBytes = count($dataBytes);
+        $toEncode = new SplFixedArray($numDataBytes + $numEcBytesInBlock);
+
+        for ($i = 0; $i < $numDataBytes; $i++) {
+            $toEncode[$i] = $dataBytes[$i] & 0xff;
+        }
+
+        $ecBytes = new SplFixedArray($numEcBytesInBlock);
+        $codec = self::getCodec($numDataBytes, $numEcBytesInBlock);
+        $codec->encode($toEncode, $ecBytes);
+
+        return $ecBytes;
+    }
+
+    /**
+     * Gets an RS codec and caches it.
+     */
+    private static function getCodec(int $numDataBytes, int $numEcBytesInBlock) : ReedSolomonCodec
+    {
+        $cacheId = $numDataBytes . '-' . $numEcBytesInBlock;
+
+        if (isset(self::$codecs[$cacheId])) {
+            return self::$codecs[$cacheId];
+        }
+
+        return self::$codecs[$cacheId] = new ReedSolomonCodec(
+            8,
+            0x11d,
+            0,
+            1,
+            $numEcBytesInBlock,
+            255 - $numDataBytes - $numEcBytesInBlock
+        );
+    }
+
+    /**
+     * Appends mode information to a bit array.
+     */
+    private static function appendModeInfo(Mode $mode, BitArray $bits) : void
+    {
+        $bits->appendBits($mode->getBits(), 4);
+    }
+
+    /**
+     * Appends length information to a bit array.
+     *
+     * @throws WriterException if num letters is bigger than expected
+     */
+    private static function appendLengthInfo(int $numLetters, Version $version, Mode $mode, BitArray $bits) : void
+    {
+        $numBits = $mode->getCharacterCountBits($version);
+
+        if ($numLetters >= (1 << $numBits)) {
+            throw new WriterException($numLetters . ' is bigger than ' . ((1 << $numBits) - 1));
+        }
+
+        $bits->appendBits($numLetters, $numBits);
+    }
+
+    /**
+     * Appends bytes to a bit array in a specific mode.
+     *
+     * @throws WriterException if an invalid mode was supplied
+     */
+    private static function appendBytes(string $content, Mode $mode, BitArray $bits, string $encoding) : void
+    {
+        switch ($mode) {
+            case Mode::NUMERIC():
+                self::appendNumericBytes($content, $bits);
+                break;
+
+            case Mode::ALPHANUMERIC():
+                self::appendAlphanumericBytes($content, $bits);
+                break;
+
+            case Mode::BYTE():
+                self::append8BitBytes($content, $bits, $encoding);
+                break;
+
+            case Mode::KANJI():
+                self::appendKanjiBytes($content, $bits);
+                break;
+
+            default:
+                throw new WriterException('Invalid mode: ' . $mode);
+        }
+    }
+
+    /**
+     * Appends numeric bytes to a bit array.
+     */
+    private static function appendNumericBytes(string $content, BitArray $bits) : void
+    {
+        $length = strlen($content);
+        $i = 0;
+
+        while ($i < $length) {
+            $num1 = (int) $content[$i];
+
+            if ($i + 2 < $length) {
+                // Encode three numeric letters in ten bits.
+                $num2 = (int) $content[$i + 1];
+                $num3 = (int) $content[$i + 2];
+                $bits->appendBits($num1 * 100 + $num2 * 10 + $num3, 10);
+                $i += 3;
+            } elseif ($i + 1 < $length) {
+                // Encode two numeric letters in seven bits.
+                $num2 = (int) $content[$i + 1];
+                $bits->appendBits($num1 * 10 + $num2, 7);
+                $i += 2;
+            } else {
+                // Encode one numeric letter in four bits.
+                $bits->appendBits($num1, 4);
+                ++$i;
+            }
+        }
+    }
+
+    /**
+     * Appends alpha-numeric bytes to a bit array.
+     *
+     * @throws WriterException if an invalid alphanumeric code was found
+     */
+    private static function appendAlphanumericBytes(string $content, BitArray $bits) : void
+    {
+        $length = strlen($content);
+        $i = 0;
+
+        while ($i < $length) {
+            $code1 = self::getAlphanumericCode(ord($content[$i]));
+
+            if (-1 === $code1) {
+                throw new WriterException('Invalid alphanumeric code');
+            }
+
+            if ($i + 1 < $length) {
+                $code2 = self::getAlphanumericCode(ord($content[$i + 1]));
+
+                if (-1 === $code2) {
+                    throw new WriterException('Invalid alphanumeric code');
+                }
+
+                // Encode two alphanumeric letters in 11 bits.
+                $bits->appendBits($code1 * 45 + $code2, 11);
+                $i += 2;
+            } else {
+                // Encode one alphanumeric letter in six bits.
+                $bits->appendBits($code1, 6);
+                ++$i;
+            }
+        }
+    }
+
+    /**
+     * Appends regular 8-bit bytes to a bit array.
+     *
+     * @throws WriterException if content cannot be encoded to target encoding
+     */
+    private static function append8BitBytes(string $content, BitArray $bits, string $encoding) : void
+    {
+        $bytes = @iconv('utf-8', $encoding, $content);
+
+        if (false === $bytes) {
+            throw new WriterException('Could not encode content to ' . $encoding);
+        }
+
+        $length = strlen($bytes);
+
+        for ($i = 0; $i < $length; $i++) {
+            $bits->appendBits(ord($bytes[$i]), 8);
+        }
+    }
+
+    /**
+     * Appends KANJI bytes to a bit array.
+     *
+     * @throws WriterException if content does not seem to be encoded in SHIFT-JIS
+     * @throws WriterException if an invalid byte sequence occurs
+     */
+    private static function appendKanjiBytes(string $content, BitArray $bits) : void
+    {
+        if (strlen($content) % 2 > 0) {
+            // We just do a simple length check here. The for loop will check
+            // individual characters.
+            throw new WriterException('Content does not seem to be encoded in SHIFT-JIS');
+        }
+
+        $length = strlen($content);
+
+        for ($i = 0; $i < $length; $i += 2) {
+            $byte1 = ord($content[$i]) & 0xff;
+            $byte2 = ord($content[$i + 1]) & 0xff;
+            $code = ($byte1 << 8) | $byte2;
+
+            if ($code >= 0x8140 && $code <= 0x9ffc) {
+                $subtracted = $code - 0x8140;
+            } elseif ($code >= 0xe040 && $code <= 0xebbf) {
+                $subtracted = $code - 0xc140;
+            } else {
+                throw new WriterException('Invalid byte sequence');
+            }
+
+            $encoded = (($subtracted >> 8) * 0xc0) + ($subtracted & 0xff);
+
+            $bits->appendBits($encoded, 13);
+        }
+    }
+
+    /**
+     * Appends ECI information to a bit array.
+     */
+    private static function appendEci(CharacterSetEci $eci, BitArray $bits) : void
+    {
+        $mode = Mode::ECI();
+        $bits->appendBits($mode->getBits(), 4);
+        $bits->appendBits($eci->getValue(), 8);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/MaskUtil.php b/vendor/bacon/bacon-qr-code/src/Encoder/MaskUtil.php
new file mode 100755
index 0000000..ba97dfb
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/MaskUtil.php
@@ -0,0 +1,271 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use BaconQrCode\Common\BitUtils;
+use BaconQrCode\Exception\InvalidArgumentException;
+
+/**
+ * Mask utility.
+ */
+final class MaskUtil
+{
+    /**#@+
+     * Penalty weights from section 6.8.2.1
+     */
+    const N1 = 3;
+    const N2 = 3;
+    const N3 = 40;
+    const N4 = 10;
+    /**#@-*/
+
+    private function __construct()
+    {
+    }
+
+    /**
+     * Applies mask penalty rule 1 and returns the penalty.
+     *
+     * Finds repetitive cells with the same color and gives penalty to them.
+     * Example: 00000 or 11111.
+     */
+    public static function applyMaskPenaltyRule1(ByteMatrix $matrix) : int
+    {
+        return (
+            self::applyMaskPenaltyRule1Internal($matrix, true)
+            + self::applyMaskPenaltyRule1Internal($matrix, false)
+        );
+    }
+
+    /**
+     * Applies mask penalty rule 2 and returns the penalty.
+     *
+     * Finds 2x2 blocks with the same color and gives penalty to them. This is
+     * actually equivalent to the spec's rule, which is to find MxN blocks and
+     * give a penalty proportional to (M-1)x(N-1), because this is the number of
+     * 2x2 blocks inside such a block.
+     */
+    public static function applyMaskPenaltyRule2(ByteMatrix $matrix) : int
+    {
+        $penalty = 0;
+        $array = $matrix->getArray();
+        $width = $matrix->getWidth();
+        $height = $matrix->getHeight();
+
+        for ($y = 0; $y < $height - 1; ++$y) {
+            for ($x = 0; $x < $width - 1; ++$x) {
+                $value = $array[$y][$x];
+
+                if ($value === $array[$y][$x + 1]
+                    && $value === $array[$y + 1][$x]
+                    && $value === $array[$y + 1][$x + 1]
+                ) {
+                    ++$penalty;
+                }
+            }
+        }
+
+        return self::N2 * $penalty;
+    }
+
+    /**
+     * Applies mask penalty rule 3 and returns the penalty.
+     *
+     * Finds consecutive cells of 00001011101 or 10111010000, and gives penalty
+     * to them. If we find patterns like 000010111010000, we give penalties
+     * twice (i.e. 40 * 2).
+     */
+    public static function applyMaskPenaltyRule3(ByteMatrix $matrix) : int
+    {
+        $penalty = 0;
+        $array = $matrix->getArray();
+        $width = $matrix->getWidth();
+        $height = $matrix->getHeight();
+
+        for ($y = 0; $y < $height; ++$y) {
+            for ($x = 0; $x < $width; ++$x) {
+                if ($x + 6 < $width
+                    && 1 === $array[$y][$x]
+                    && 0 === $array[$y][$x + 1]
+                    && 1 === $array[$y][$x + 2]
+                    && 1 === $array[$y][$x + 3]
+                    && 1 === $array[$y][$x + 4]
+                    && 0 === $array[$y][$x + 5]
+                    && 1 === $array[$y][$x + 6]
+                    && (
+                        (
+                            $x + 10 < $width
+                            && 0 === $array[$y][$x + 7]
+                            && 0 === $array[$y][$x + 8]
+                            && 0 === $array[$y][$x + 9]
+                            && 0 === $array[$y][$x + 10]
+                        )
+                        || (
+                            $x - 4 >= 0
+                            && 0 === $array[$y][$x - 1]
+                            && 0 === $array[$y][$x - 2]
+                            && 0 === $array[$y][$x - 3]
+                            && 0 === $array[$y][$x - 4]
+                        )
+                    )
+                ) {
+                    $penalty += self::N3;
+                }
+
+                if ($y + 6 < $height
+                    && 1 === $array[$y][$x]
+                    && 0 === $array[$y + 1][$x]
+                    && 1 === $array[$y + 2][$x]
+                    && 1 === $array[$y + 3][$x]
+                    && 1 === $array[$y + 4][$x]
+                    && 0 === $array[$y + 5][$x]
+                    && 1 === $array[$y + 6][$x]
+                    && (
+                        (
+                            $y + 10 < $height
+                            && 0 === $array[$y + 7][$x]
+                            && 0 === $array[$y + 8][$x]
+                            && 0 === $array[$y + 9][$x]
+                            && 0 === $array[$y + 10][$x]
+                        )
+                        || (
+                            $y - 4 >= 0
+                            && 0 === $array[$y - 1][$x]
+                            && 0 === $array[$y - 2][$x]
+                            && 0 === $array[$y - 3][$x]
+                            && 0 === $array[$y - 4][$x]
+                        )
+                    )
+                ) {
+                    $penalty += self::N3;
+                }
+            }
+        }
+
+        return $penalty;
+    }
+
+    /**
+     * Applies mask penalty rule 4 and returns the penalty.
+     *
+     * Calculates the ratio of dark cells and gives penalty if the ratio is far
+     * from 50%. It gives 10 penalty for 5% distance.
+     */
+    public static function applyMaskPenaltyRule4(ByteMatrix $matrix) : int
+    {
+        $numDarkCells = 0;
+
+        $array = $matrix->getArray();
+        $width = $matrix->getWidth();
+        $height = $matrix->getHeight();
+
+        for ($y = 0; $y < $height; ++$y) {
+            $arrayY = $array[$y];
+
+            for ($x = 0; $x < $width; ++$x) {
+                if (1 === $arrayY[$x]) {
+                    ++$numDarkCells;
+                }
+            }
+        }
+
+        $numTotalCells = $height * $width;
+        $darkRatio = $numDarkCells / $numTotalCells;
+        $fixedPercentVariances = (int) (abs($darkRatio - 0.5) * 20);
+
+        return $fixedPercentVariances * self::N4;
+    }
+
+    /**
+     * Returns the mask bit for "getMaskPattern" at "x" and "y".
+     *
+     * See 8.8 of JISX0510:2004 for mask pattern conditions.
+     *
+     * @throws InvalidArgumentException if an invalid mask pattern was supplied
+     */
+    public static function getDataMaskBit(int $maskPattern, int $x, int $y) : bool
+    {
+        switch ($maskPattern) {
+            case 0:
+                $intermediate = ($y + $x) & 0x1;
+                break;
+
+            case 1:
+                $intermediate = $y & 0x1;
+                break;
+
+            case 2:
+                $intermediate = $x % 3;
+                break;
+
+            case 3:
+                $intermediate = ($y + $x) % 3;
+                break;
+
+            case 4:
+                $intermediate = (BitUtils::unsignedRightShift($y, 1) + (int) ($x / 3)) & 0x1;
+                break;
+
+            case 5:
+                $temp = $y * $x;
+                $intermediate = ($temp & 0x1) + ($temp % 3);
+                break;
+
+            case 6:
+                $temp = $y * $x;
+                $intermediate = (($temp & 0x1) + ($temp % 3)) & 0x1;
+                break;
+
+            case 7:
+                $temp = $y * $x;
+                $intermediate = (($temp % 3) + (($y + $x) & 0x1)) & 0x1;
+                break;
+
+            default:
+                throw new InvalidArgumentException('Invalid mask pattern: ' . $maskPattern);
+        }
+
+        return 0 == $intermediate;
+    }
+
+    /**
+     * Helper function for applyMaskPenaltyRule1.
+     *
+     * We need this for doing this calculation in both vertical and horizontal
+     * orders respectively.
+     */
+    private static function applyMaskPenaltyRule1Internal(ByteMatrix $matrix, bool $isHorizontal) : int
+    {
+        $penalty = 0;
+        $iLimit = $isHorizontal ? $matrix->getHeight() : $matrix->getWidth();
+        $jLimit = $isHorizontal ? $matrix->getWidth() : $matrix->getHeight();
+        $array = $matrix->getArray();
+
+        for ($i = 0; $i < $iLimit; ++$i) {
+            $numSameBitCells = 0;
+            $prevBit = -1;
+
+            for ($j = 0; $j < $jLimit; $j++) {
+                $bit = $isHorizontal ? $array[$i][$j] : $array[$j][$i];
+
+                if ($bit === $prevBit) {
+                    ++$numSameBitCells;
+                } else {
+                    if ($numSameBitCells >= 5) {
+                        $penalty += self::N1 + ($numSameBitCells - 5);
+                    }
+
+                    $numSameBitCells = 1;
+                    $prevBit = $bit;
+                }
+            }
+
+            if ($numSameBitCells >= 5) {
+                $penalty += self::N1 + ($numSameBitCells - 5);
+            }
+        }
+
+        return $penalty;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/MatrixUtil.php b/vendor/bacon/bacon-qr-code/src/Encoder/MatrixUtil.php
new file mode 100755
index 0000000..0967e29
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/MatrixUtil.php
@@ -0,0 +1,513 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use BaconQrCode\Common\BitArray;
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Version;
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Exception\WriterException;
+
+/**
+ * Matrix utility.
+ */
+final class MatrixUtil
+{
+    /**
+     * Position detection pattern.
+     */
+    private const POSITION_DETECTION_PATTERN = [
+        [1, 1, 1, 1, 1, 1, 1],
+        [1, 0, 0, 0, 0, 0, 1],
+        [1, 0, 1, 1, 1, 0, 1],
+        [1, 0, 1, 1, 1, 0, 1],
+        [1, 0, 1, 1, 1, 0, 1],
+        [1, 0, 0, 0, 0, 0, 1],
+        [1, 1, 1, 1, 1, 1, 1],
+    ];
+
+    /**
+     * Position adjustment pattern.
+     */
+    private const POSITION_ADJUSTMENT_PATTERN = [
+        [1, 1, 1, 1, 1],
+        [1, 0, 0, 0, 1],
+        [1, 0, 1, 0, 1],
+        [1, 0, 0, 0, 1],
+        [1, 1, 1, 1, 1],
+    ];
+
+    /**
+     * Coordinates for position adjustment patterns for each version.
+     */
+    private const POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE = [
+        [null, null, null, null, null, null, null], // Version 1
+        [   6,   18, null, null, null, null, null], // Version 2
+        [   6,   22, null, null, null, null, null], // Version 3
+        [   6,   26, null, null, null, null, null], // Version 4
+        [   6,   30, null, null, null, null, null], // Version 5
+        [   6,   34, null, null, null, null, null], // Version 6
+        [   6,   22,   38, null, null, null, null], // Version 7
+        [   6,   24,   42, null, null, null, null], // Version 8
+        [   6,   26,   46, null, null, null, null], // Version 9
+        [   6,   28,   50, null, null, null, null], // Version 10
+        [   6,   30,   54, null, null, null, null], // Version 11
+        [   6,   32,   58, null, null, null, null], // Version 12
+        [   6,   34,   62, null, null, null, null], // Version 13
+        [   6,   26,   46,   66, null, null, null], // Version 14
+        [   6,   26,   48,   70, null, null, null], // Version 15
+        [   6,   26,   50,   74, null, null, null], // Version 16
+        [   6,   30,   54,   78, null, null, null], // Version 17
+        [   6,   30,   56,   82, null, null, null], // Version 18
+        [   6,   30,   58,   86, null, null, null], // Version 19
+        [   6,   34,   62,   90, null, null, null], // Version 20
+        [   6,   28,   50,   72,   94, null, null], // Version 21
+        [   6,   26,   50,   74,   98, null, null], // Version 22
+        [   6,   30,   54,   78,  102, null, null], // Version 23
+        [   6,   28,   54,   80,  106, null, null], // Version 24
+        [   6,   32,   58,   84,  110, null, null], // Version 25
+        [   6,   30,   58,   86,  114, null, null], // Version 26
+        [   6,   34,   62,   90,  118, null, null], // Version 27
+        [   6,   26,   50,   74,   98,  122, null], // Version 28
+        [   6,   30,   54,   78,  102,  126, null], // Version 29
+        [   6,   26,   52,   78,  104,  130, null], // Version 30
+        [   6,   30,   56,   82,  108,  134, null], // Version 31
+        [   6,   34,   60,   86,  112,  138, null], // Version 32
+        [   6,   30,   58,   86,  114,  142, null], // Version 33
+        [   6,   34,   62,   90,  118,  146, null], // Version 34
+        [   6,   30,   54,   78,  102,  126,  150], // Version 35
+        [   6,   24,   50,   76,  102,  128,  154], // Version 36
+        [   6,   28,   54,   80,  106,  132,  158], // Version 37
+        [   6,   32,   58,   84,  110,  136,  162], // Version 38
+        [   6,   26,   54,   82,  110,  138,  166], // Version 39
+        [   6,   30,   58,   86,  114,  142,  170], // Version 40
+    ];
+
+    /**
+     * Type information coordinates.
+     */
+    private const TYPE_INFO_COORDINATES = [
+        [8, 0],
+        [8, 1],
+        [8, 2],
+        [8, 3],
+        [8, 4],
+        [8, 5],
+        [8, 7],
+        [8, 8],
+        [7, 8],
+        [5, 8],
+        [4, 8],
+        [3, 8],
+        [2, 8],
+        [1, 8],
+        [0, 8],
+    ];
+
+    /**
+     * Version information polynomial.
+     */
+    private const VERSION_INFO_POLY = 0x1f25;
+
+    /**
+     * Type information polynomial.
+     */
+    private const TYPE_INFO_POLY = 0x537;
+
+    /**
+     * Type information mask pattern.
+     */
+    private const TYPE_INFO_MASK_PATTERN = 0x5412;
+
+    /**
+     * Clears a given matrix.
+     */
+    public static function clearMatrix(ByteMatrix $matrix) : void
+    {
+        $matrix->clear(-1);
+    }
+
+    /**
+     * Builds a complete matrix.
+     */
+    public static function buildMatrix(
+        BitArray $dataBits,
+        ErrorCorrectionLevel $level,
+        Version $version,
+        int $maskPattern,
+        ByteMatrix $matrix
+    ) : void {
+        self::clearMatrix($matrix);
+        self::embedBasicPatterns($version, $matrix);
+        self::embedTypeInfo($level, $maskPattern, $matrix);
+        self::maybeEmbedVersionInfo($version, $matrix);
+        self::embedDataBits($dataBits, $maskPattern, $matrix);
+    }
+
+    /**
+     * Removes the position detection patterns from a matrix.
+     *
+     * This can be useful if you need to render those patterns separately.
+     */
+    public static function removePositionDetectionPatterns(ByteMatrix $matrix) : void
+    {
+        $pdpWidth = count(self::POSITION_DETECTION_PATTERN[0]);
+
+        self::removePositionDetectionPattern(0, 0, $matrix);
+        self::removePositionDetectionPattern($matrix->getWidth() - $pdpWidth, 0, $matrix);
+        self::removePositionDetectionPattern(0, $matrix->getWidth() - $pdpWidth, $matrix);
+    }
+
+    /**
+     * Embeds type information into a matrix.
+     */
+    private static function embedTypeInfo(ErrorCorrectionLevel $level, int $maskPattern, ByteMatrix $matrix) : void
+    {
+        $typeInfoBits = new BitArray();
+        self::makeTypeInfoBits($level, $maskPattern, $typeInfoBits);
+
+        $typeInfoBitsSize = $typeInfoBits->getSize();
+
+        for ($i = 0; $i < $typeInfoBitsSize; ++$i) {
+            $bit = $typeInfoBits->get($typeInfoBitsSize - 1 - $i);
+
+            $x1 = self::TYPE_INFO_COORDINATES[$i][0];
+            $y1 = self::TYPE_INFO_COORDINATES[$i][1];
+
+            $matrix->set($x1, $y1, (int) $bit);
+
+            if ($i < 8) {
+                $x2 = $matrix->getWidth() - $i - 1;
+                $y2 = 8;
+            } else {
+                $x2 = 8;
+                $y2 = $matrix->getHeight() - 7 + ($i - 8);
+            }
+
+            $matrix->set($x2, $y2, (int) $bit);
+        }
+    }
+
+    /**
+     * Generates type information bits and appends them to a bit array.
+     *
+     * @throws RuntimeException if bit array resulted in invalid size
+     */
+    private static function makeTypeInfoBits(ErrorCorrectionLevel $level, int $maskPattern, BitArray $bits) : void
+    {
+        $typeInfo = ($level->getBits() << 3) | $maskPattern;
+        $bits->appendBits($typeInfo, 5);
+
+        $bchCode = self::calculateBchCode($typeInfo, self::TYPE_INFO_POLY);
+        $bits->appendBits($bchCode, 10);
+
+        $maskBits = new BitArray();
+        $maskBits->appendBits(self::TYPE_INFO_MASK_PATTERN, 15);
+        $bits->xorBits($maskBits);
+
+        if (15 !== $bits->getSize()) {
+            throw new RuntimeException('Bit array resulted in invalid size: ' . $bits->getSize());
+        }
+    }
+
+    /**
+     * Embeds version information if required.
+     */
+    private static function maybeEmbedVersionInfo(Version $version, ByteMatrix $matrix) : void
+    {
+        if ($version->getVersionNumber() < 7) {
+            return;
+        }
+
+        $versionInfoBits = new BitArray();
+        self::makeVersionInfoBits($version, $versionInfoBits);
+
+        $bitIndex = 6 * 3 - 1;
+
+        for ($i = 0; $i < 6; ++$i) {
+            for ($j = 0; $j < 3; ++$j) {
+                $bit = $versionInfoBits->get($bitIndex);
+                --$bitIndex;
+
+                $matrix->set($i, $matrix->getHeight() - 11 + $j, (int) $bit);
+                $matrix->set($matrix->getHeight() - 11 + $j, $i, (int) $bit);
+            }
+        }
+    }
+
+    /**
+     * Generates version information bits and appends them to a bit array.
+     *
+     * @throws RuntimeException if bit array resulted in invalid size
+     */
+    private static function makeVersionInfoBits(Version $version, BitArray $bits) : void
+    {
+        $bits->appendBits($version->getVersionNumber(), 6);
+
+        $bchCode = self::calculateBchCode($version->getVersionNumber(), self::VERSION_INFO_POLY);
+        $bits->appendBits($bchCode, 12);
+
+        if (18 !== $bits->getSize()) {
+            throw new RuntimeException('Bit array resulted in invalid size: ' . $bits->getSize());
+        }
+    }
+
+    /**
+     * Calculates the BCH code for a value and a polynomial.
+     */
+    private static function calculateBchCode(int $value, int $poly) : int
+    {
+        $msbSetInPoly = self::findMsbSet($poly);
+        $value <<= $msbSetInPoly - 1;
+
+        while (self::findMsbSet($value) >= $msbSetInPoly) {
+            $value ^= $poly << (self::findMsbSet($value) - $msbSetInPoly);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Finds and MSB set.
+     */
+    private static function findMsbSet(int $value) : int
+    {
+        $numDigits = 0;
+
+        while (0 !== $value) {
+            $value >>= 1;
+            ++$numDigits;
+        }
+
+        return $numDigits;
+    }
+
+    /**
+     * Embeds basic patterns into a matrix.
+     */
+    private static function embedBasicPatterns(Version $version, ByteMatrix $matrix) : void
+    {
+        self::embedPositionDetectionPatternsAndSeparators($matrix);
+        self::embedDarkDotAtLeftBottomCorner($matrix);
+        self::maybeEmbedPositionAdjustmentPatterns($version, $matrix);
+        self::embedTimingPatterns($matrix);
+    }
+
+    /**
+     * Embeds position detection patterns and separators into a byte matrix.
+     */
+    private static function embedPositionDetectionPatternsAndSeparators(ByteMatrix $matrix) : void
+    {
+        $pdpWidth = count(self::POSITION_DETECTION_PATTERN[0]);
+
+        self::embedPositionDetectionPattern(0, 0, $matrix);
+        self::embedPositionDetectionPattern($matrix->getWidth() - $pdpWidth, 0, $matrix);
+        self::embedPositionDetectionPattern(0, $matrix->getWidth() - $pdpWidth, $matrix);
+
+        $hspWidth = 8;
+
+        self::embedHorizontalSeparationPattern(0, $hspWidth - 1, $matrix);
+        self::embedHorizontalSeparationPattern($matrix->getWidth() - $hspWidth, $hspWidth - 1, $matrix);
+        self::embedHorizontalSeparationPattern(0, $matrix->getWidth() - $hspWidth, $matrix);
+
+        $vspSize = 7;
+
+        self::embedVerticalSeparationPattern($vspSize, 0, $matrix);
+        self::embedVerticalSeparationPattern($matrix->getHeight() - $vspSize - 1, 0, $matrix);
+        self::embedVerticalSeparationPattern($vspSize, $matrix->getHeight() - $vspSize, $matrix);
+    }
+
+    /**
+     * Embeds a single position detection pattern into a byte matrix.
+     */
+    private static function embedPositionDetectionPattern(int $xStart, int $yStart, ByteMatrix $matrix) : void
+    {
+        for ($y = 0; $y < 7; ++$y) {
+            for ($x = 0; $x < 7; ++$x) {
+                $matrix->set($xStart + $x, $yStart + $y, self::POSITION_DETECTION_PATTERN[$y][$x]);
+            }
+        }
+    }
+
+    private static function removePositionDetectionPattern(int $xStart, int $yStart, ByteMatrix $matrix) : void
+    {
+        for ($y = 0; $y < 7; ++$y) {
+            for ($x = 0; $x < 7; ++$x) {
+                $matrix->set($xStart + $x, $yStart + $y, 0);
+            }
+        }
+    }
+
+    /**
+     * Embeds a single horizontal separation pattern.
+     *
+     * @throws RuntimeException if a byte was already set
+     */
+    private static function embedHorizontalSeparationPattern(int $xStart, int $yStart, ByteMatrix $matrix) : void
+    {
+        for ($x = 0; $x < 8; $x++) {
+            if (-1 !== $matrix->get($xStart + $x, $yStart)) {
+                throw new RuntimeException('Byte already set');
+            }
+
+            $matrix->set($xStart + $x, $yStart, 0);
+        }
+    }
+
+    /**
+     * Embeds a single vertical separation pattern.
+     *
+     * @throws RuntimeException if a byte was already set
+     */
+    private static function embedVerticalSeparationPattern(int $xStart, int $yStart, ByteMatrix $matrix) : void
+    {
+        for ($y = 0; $y < 7; $y++) {
+            if (-1 !== $matrix->get($xStart, $yStart + $y)) {
+                throw new RuntimeException('Byte already set');
+            }
+
+            $matrix->set($xStart, $yStart + $y, 0);
+        }
+    }
+
+    /**
+     * Embeds a dot at the left bottom corner.
+     *
+     * @throws RuntimeException if a byte was already set to 0
+     */
+    private static function embedDarkDotAtLeftBottomCorner(ByteMatrix $matrix) : void
+    {
+        if (0 === $matrix->get(8, $matrix->getHeight() - 8)) {
+            throw new RuntimeException('Byte already set to 0');
+        }
+
+        $matrix->set(8, $matrix->getHeight() - 8, 1);
+    }
+
+    /**
+     * Embeds position adjustment patterns if required.
+     */
+    private static function maybeEmbedPositionAdjustmentPatterns(Version $version, ByteMatrix $matrix) : void
+    {
+        if ($version->getVersionNumber() < 2) {
+            return;
+        }
+
+        $index = $version->getVersionNumber() - 1;
+
+        $coordinates = self::POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[$index];
+        $numCoordinates = count($coordinates);
+
+        for ($i = 0; $i < $numCoordinates; ++$i) {
+            for ($j = 0; $j < $numCoordinates; ++$j) {
+                $y = $coordinates[$i];
+                $x = $coordinates[$j];
+
+                if (null === $x || null === $y) {
+                    continue;
+                }
+
+                if (-1 === $matrix->get($x, $y)) {
+                    self::embedPositionAdjustmentPattern($x - 2, $y - 2, $matrix);
+                }
+            }
+        }
+    }
+
+    /**
+     * Embeds a single position adjustment pattern.
+     */
+    private static function embedPositionAdjustmentPattern(int $xStart, int $yStart, ByteMatrix $matrix) : void
+    {
+        for ($y = 0; $y < 5; $y++) {
+            for ($x = 0; $x < 5; $x++) {
+                $matrix->set($xStart + $x, $yStart + $y, self::POSITION_ADJUSTMENT_PATTERN[$y][$x]);
+            }
+        }
+    }
+
+    /**
+     * Embeds timing patterns into a matrix.
+     */
+    private static function embedTimingPatterns(ByteMatrix $matrix) : void
+    {
+        $matrixWidth = $matrix->getWidth();
+
+        for ($i = 8; $i < $matrixWidth - 8; ++$i) {
+            $bit = ($i + 1) % 2;
+
+            if (-1 === $matrix->get($i, 6)) {
+                $matrix->set($i, 6, $bit);
+            }
+
+            if (-1 === $matrix->get(6, $i)) {
+                $matrix->set(6, $i, $bit);
+            }
+        }
+    }
+
+    /**
+     * Embeds "dataBits" using "getMaskPattern".
+     *
+     * For debugging purposes, it skips masking process if "getMaskPattern" is -1. See 8.7 of JISX0510:2004 (p.38) for
+     * how to embed data bits.
+     *
+     * @throws WriterException if not all bits could be consumed
+     */
+    private static function embedDataBits(BitArray $dataBits, int $maskPattern, ByteMatrix $matrix) : void
+    {
+        $bitIndex = 0;
+        $direction = -1;
+
+        // Start from the right bottom cell.
+        $x = $matrix->getWidth() - 1;
+        $y = $matrix->getHeight() - 1;
+
+        while ($x > 0) {
+            // Skip vertical timing pattern.
+            if (6 === $x) {
+                --$x;
+            }
+
+            while ($y >= 0 && $y < $matrix->getHeight()) {
+                for ($i = 0; $i < 2; $i++) {
+                    $xx = $x - $i;
+
+                    // Skip the cell if it's not empty.
+                    if (-1 !== $matrix->get($xx, $y)) {
+                        continue;
+                    }
+
+                    if ($bitIndex < $dataBits->getSize()) {
+                        $bit = $dataBits->get($bitIndex);
+                        ++$bitIndex;
+                    } else {
+                        // Padding bit. If there is no bit left, we'll fill the
+                        // left cells with 0, as described in 8.4.9 of
+                        // JISX0510:2004 (p. 24).
+                        $bit = false;
+                    }
+
+                    // Skip masking if maskPattern is -1.
+                    if (-1 !== $maskPattern && MaskUtil::getDataMaskBit($maskPattern, $xx, $y)) {
+                        $bit = ! $bit;
+                    }
+
+                    $matrix->set($xx, $y, (int) $bit);
+                }
+
+                $y += $direction;
+            }
+
+            $direction  = -$direction;
+            $y += $direction;
+            $x -= 2;
+        }
+
+        // All bits should be consumed
+        if ($dataBits->getSize() !== $bitIndex) {
+            throw new WriterException('Not all bits consumed (' . $bitIndex . ' out of ' . $dataBits->getSize() .')');
+        }
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Encoder/QrCode.php b/vendor/bacon/bacon-qr-code/src/Encoder/QrCode.php
new file mode 100755
index 0000000..f568e88
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Encoder/QrCode.php
@@ -0,0 +1,141 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Encoder;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Mode;
+use BaconQrCode\Common\Version;
+
+/**
+ * QR code.
+ */
+final class QrCode
+{
+    /**
+     * Number of possible mask patterns.
+     */
+    public const NUM_MASK_PATTERNS = 8;
+
+    /**
+     * Mode of the QR code.
+     *
+     * @var Mode
+     */
+    private $mode;
+
+    /**
+     * EC level of the QR code.
+     *
+     * @var ErrorCorrectionLevel
+     */
+    private $errorCorrectionLevel;
+
+    /**
+     * Version of the QR code.
+     *
+     * @var Version
+     */
+    private $version;
+
+    /**
+     * Mask pattern of the QR code.
+     *
+     * @var int
+     */
+    private $maskPattern = -1;
+
+    /**
+     * Matrix of the QR code.
+     *
+     * @var ByteMatrix
+     */
+    private $matrix;
+
+    public function __construct(
+        Mode $mode,
+        ErrorCorrectionLevel $errorCorrectionLevel,
+        Version $version,
+        int $maskPattern,
+        ByteMatrix $matrix
+    ) {
+        $this->mode = $mode;
+        $this->errorCorrectionLevel = $errorCorrectionLevel;
+        $this->version = $version;
+        $this->maskPattern = $maskPattern;
+        $this->matrix = $matrix;
+    }
+
+    /**
+     * Gets the mode.
+     */
+    public function getMode() : Mode
+    {
+        return $this->mode;
+    }
+
+    /**
+     * Gets the EC level.
+     */
+    public function getErrorCorrectionLevel() : ErrorCorrectionLevel
+    {
+        return $this->errorCorrectionLevel;
+    }
+
+    /**
+     * Gets the version.
+     */
+    public function getVersion() : Version
+    {
+        return $this->version;
+    }
+
+    /**
+     * Gets the mask pattern.
+     */
+    public function getMaskPattern() : int
+    {
+        return $this->maskPattern;
+    }
+
+    /**
+     * Gets the matrix.
+     *
+     * @return ByteMatrix
+     */
+    public function getMatrix()
+    {
+        return $this->matrix;
+    }
+
+    /**
+     * Validates whether a mask pattern is valid.
+     */
+    public static function isValidMaskPattern(int $maskPattern) : bool
+    {
+        return $maskPattern > 0 && $maskPattern < self::NUM_MASK_PATTERNS;
+    }
+
+    /**
+     * Returns a string representation of the QR code.
+     */
+    public function __toString() : string
+    {
+        $result = "<<\n"
+                . ' mode: ' . $this->mode . "\n"
+                . ' ecLevel: ' . $this->errorCorrectionLevel . "\n"
+                . ' version: ' . $this->version . "\n"
+                . ' maskPattern: ' . $this->maskPattern . "\n";
+
+        if ($this->matrix === null) {
+            $result .= " matrix: null\n";
+        } else {
+            $result .= " matrix:\n";
+            $result .= $this->matrix;
+        }
+
+        $result .= ">>\n";
+
+        return $result;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/ExceptionInterface.php b/vendor/bacon/bacon-qr-code/src/Exception/ExceptionInterface.php
new file mode 100755
index 0000000..6f70c20
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/ExceptionInterface.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+use Throwable;
+
+interface ExceptionInterface extends Throwable
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/InvalidArgumentException.php b/vendor/bacon/bacon-qr-code/src/Exception/InvalidArgumentException.php
new file mode 100755
index 0000000..0ec4249
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/InvalidArgumentException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+final class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/OutOfBoundsException.php b/vendor/bacon/bacon-qr-code/src/Exception/OutOfBoundsException.php
new file mode 100755
index 0000000..79e53af
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/OutOfBoundsException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+final class OutOfBoundsException extends \OutOfBoundsException implements ExceptionInterface
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/RuntimeException.php b/vendor/bacon/bacon-qr-code/src/Exception/RuntimeException.php
new file mode 100755
index 0000000..1e7fcc8
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/RuntimeException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+final class RuntimeException extends \RuntimeException implements ExceptionInterface
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/UnexpectedValueException.php b/vendor/bacon/bacon-qr-code/src/Exception/UnexpectedValueException.php
new file mode 100755
index 0000000..24edcb8
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/UnexpectedValueException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+final class UnexpectedValueException extends \UnexpectedValueException implements ExceptionInterface
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Exception/WriterException.php b/vendor/bacon/bacon-qr-code/src/Exception/WriterException.php
new file mode 100755
index 0000000..4cb2f2e
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Exception/WriterException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Exception;
+
+final class WriterException extends \RuntimeException implements ExceptionInterface
+{
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php
new file mode 100755
index 0000000..3490252
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php
@@ -0,0 +1,57 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Color;
+
+use BaconQrCode\Exception;
+
+final class Alpha implements ColorInterface
+{
+    /**
+     * @var int
+     */
+    private $alpha;
+
+    /**
+     * @var ColorInterface
+     */
+    private $baseColor;
+
+    /**
+     * @param int $alpha the alpha value, 0 to 100
+     */
+    public function __construct(int $alpha, ColorInterface $baseColor)
+    {
+        if ($alpha < 0 || $alpha > 100) {
+            throw new Exception\InvalidArgumentException('Alpha must be between 0 and 100');
+        }
+
+        $this->alpha = $alpha;
+        $this->baseColor = $baseColor;
+    }
+
+    public function getAlpha() : int
+    {
+        return $this->alpha;
+    }
+
+    public function getBaseColor() : ColorInterface
+    {
+        return $this->baseColor;
+    }
+
+    public function toRgb() : Rgb
+    {
+        return $this->baseColor->toRgb();
+    }
+
+    public function toCmyk() : Cmyk
+    {
+        return $this->baseColor->toCmyk();
+    }
+
+    public function toGray() : Gray
+    {
+        return $this->baseColor->toGray();
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Color/Cmyk.php b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Cmyk.php
new file mode 100755
index 0000000..d6de390
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Cmyk.php
@@ -0,0 +1,103 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Color;
+
+use BaconQrCode\Exception;
+
+final class Cmyk implements ColorInterface
+{
+    /**
+     * @var int
+     */
+    private $cyan;
+
+    /**
+     * @var int
+     */
+    private $magenta;
+
+    /**
+     * @var int
+     */
+    private $yellow;
+
+    /**
+     * @var int
+     */
+    private $black;
+
+    /**
+     * @param int $cyan the cyan amount, 0 to 100
+     * @param int $magenta the magenta amount, 0 to 100
+     * @param int $yellow the yellow amount, 0 to 100
+     * @param int $black the black amount, 0 to 100
+     */
+    public function __construct(int $cyan, int $magenta, int $yellow, int $black)
+    {
+        if ($cyan < 0 || $cyan > 100) {
+            throw new Exception\InvalidArgumentException('Cyan must be between 0 and 100');
+        }
+
+        if ($magenta < 0 || $magenta > 100) {
+            throw new Exception\InvalidArgumentException('Magenta must be between 0 and 100');
+        }
+
+        if ($yellow < 0 || $yellow > 100) {
+            throw new Exception\InvalidArgumentException('Yellow must be between 0 and 100');
+        }
+
+        if ($black < 0 || $black > 100) {
+            throw new Exception\InvalidArgumentException('Black must be between 0 and 100');
+        }
+
+        $this->cyan = $cyan;
+        $this->magenta = $magenta;
+        $this->yellow = $yellow;
+        $this->black = $black;
+    }
+
+    public function getCyan() : int
+    {
+        return $this->cyan;
+    }
+
+    public function getMagenta() : int
+    {
+        return $this->magenta;
+    }
+
+    public function getYellow() : int
+    {
+        return $this->yellow;
+    }
+
+    public function getBlack() : int
+    {
+        return $this->black;
+    }
+
+    public function toRgb() : Rgb
+    {
+        $k = $this->black / 100;
+        $c = (-$k * $this->cyan + $k * 100 + $this->cyan) / 100;
+        $m = (-$k * $this->magenta + $k * 100 + $this->magenta) / 100;
+        $y = (-$k * $this->yellow + $k * 100 + $this->yellow) / 100;
+
+        return new Rgb(
+            (int) (-$c * 255 + 255),
+            (int) (-$m * 255 + 255),
+            (int) (-$y * 255 + 255)
+        );
+    }
+
+    public function toCmyk() : Cmyk
+    {
+        return $this;
+    }
+
+    public function toGray() : Gray
+    {
+        return $this->toRgb()->toGray();
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Color/ColorInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/Color/ColorInterface.php
new file mode 100755
index 0000000..b50d1ca
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Color/ColorInterface.php
@@ -0,0 +1,22 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Color;
+
+interface ColorInterface
+{
+    /**
+     * Converts the color to RGB.
+     */
+    public function toRgb() : Rgb;
+
+    /**
+     * Converts the color to CMYK.
+     */
+    public function toCmyk() : Cmyk;
+
+    /**
+     * Converts the color to gray.
+     */
+    public function toGray() : Gray;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Color/Gray.php b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Gray.php
new file mode 100755
index 0000000..acb986d
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Gray.php
@@ -0,0 +1,46 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Color;
+
+use BaconQrCode\Exception;
+
+final class Gray implements ColorInterface
+{
+    /**
+     * @var int
+     */
+    private $gray;
+
+    /**
+     * @param int $gray the gray value between 0 (black) and 100 (white)
+     */
+    public function __construct(int $gray)
+    {
+        if ($gray < 0 || $gray > 100) {
+            throw new Exception\InvalidArgumentException('Gray must be between 0 and 100');
+        }
+
+        $this->gray = (int) $gray;
+    }
+
+    public function getGray() : int
+    {
+        return $this->gray;
+    }
+
+    public function toRgb() : Rgb
+    {
+        return new Rgb((int) ($this->gray * 2.55), (int) ($this->gray * 2.55), (int) ($this->gray * 2.55));
+    }
+
+    public function toCmyk() : Cmyk
+    {
+        return new Cmyk(0, 0, 0, 100 - $this->gray);
+    }
+
+    public function toGray() : Gray
+    {
+        return $this;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Color/Rgb.php b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Rgb.php
new file mode 100755
index 0000000..7935406
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Color/Rgb.php
@@ -0,0 +1,88 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Color;
+
+use BaconQrCode\Exception;
+
+final class Rgb implements ColorInterface
+{
+    /**
+     * @var int
+     */
+    private $red;
+
+    /**
+     * @var int
+     */
+    private $green;
+
+    /**
+     * @var int
+     */
+    private $blue;
+
+    /**
+     * @param int $red the red amount of the color, 0 to 255
+     * @param int $green the green amount of the color, 0 to 255
+     * @param int $blue the blue amount of the color, 0 to 255
+     */
+    public function __construct(int $red, int $green, int $blue)
+    {
+        if ($red < 0 || $red > 255) {
+            throw new Exception\InvalidArgumentException('Red must be between 0 and 255');
+        }
+
+        if ($green < 0 || $green > 255) {
+            throw new Exception\InvalidArgumentException('Green must be between 0 and 255');
+        }
+
+        if ($blue < 0 || $blue > 255) {
+            throw new Exception\InvalidArgumentException('Blue must be between 0 and 255');
+        }
+
+        $this->red = $red;
+        $this->green = $green;
+        $this->blue = $blue;
+    }
+
+    public function getRed() : int
+    {
+        return $this->red;
+    }
+
+    public function getGreen() : int
+    {
+        return $this->green;
+    }
+
+    public function getBlue() : int
+    {
+        return $this->blue;
+    }
+
+    public function toRgb() : Rgb
+    {
+        return $this;
+    }
+
+    public function toCmyk() : Cmyk
+    {
+        $c = 1 - ($this->red / 255);
+        $m = 1 - ($this->green / 255);
+        $y = 1 - ($this->blue / 255);
+        $k = min($c, $m, $y);
+
+        return new Cmyk(
+            (int) (100 * ($c - $k) / (1 - $k)),
+            (int) (100 * ($m - $k) / (1 - $k)),
+            (int) (100 * ($y - $k) / (1 - $k)),
+            (int) (100 * $k)
+        );
+    }
+
+    public function toGray() : Gray
+    {
+        return new Gray((int) (($this->red * 0.21 + $this->green * 0.71 + $this->blue * 0.07) / 2.55));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Eye/CompositeEye.php b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/CompositeEye.php
new file mode 100755
index 0000000..0d03125
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/CompositeEye.php
@@ -0,0 +1,38 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Eye;
+
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Combines the style of two different eyes.
+ */
+final class CompositeEye implements EyeInterface
+{
+    /**
+     * @var EyeInterface
+     */
+    private $externalEye;
+
+    /**
+     * @var EyeInterface
+     */
+    private $internalEye;
+
+    public function __construct(EyeInterface $externalEye, EyeInterface $internalEye)
+    {
+        $this->externalEye = $externalEye;
+        $this->internalEye = $internalEye;
+    }
+
+    public function getExternalPath() : Path
+    {
+        return $this->externalEye->getExternalPath();
+    }
+
+    public function getInternalPath() : Path
+    {
+        return $this->internalEye->getInternalPath();
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Eye/EyeInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/EyeInterface.php
new file mode 100755
index 0000000..ab68f3c
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/EyeInterface.php
@@ -0,0 +1,26 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Eye;
+
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Interface for describing the look of an eye.
+ */
+interface EyeInterface
+{
+    /**
+     * Returns the path of the external eye element.
+     *
+     * The path origin point (0, 0) must be anchored at the middle of the path.
+     */
+    public function getExternalPath() : Path;
+
+    /**
+     * Returns the path of the internal eye element.
+     *
+     * The path origin point (0, 0) must be anchored at the middle of the path.
+     */
+    public function getInternalPath() : Path;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Eye/ModuleEye.php b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/ModuleEye.php
new file mode 100755
index 0000000..84f7d12
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/ModuleEye.php
@@ -0,0 +1,54 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Eye;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Renderer\Module\ModuleInterface;
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Renders an eye based on a module renderer.
+ */
+final class ModuleEye implements EyeInterface
+{
+    /**
+     * @var ModuleInterface
+     */
+    private $module;
+
+    public function __construct(ModuleInterface $module)
+    {
+        $this->module = $module;
+    }
+
+    public function getExternalPath() : Path
+    {
+        $matrix = new ByteMatrix(7, 7);
+
+        for ($x = 0; $x < 7; ++$x) {
+            $matrix->set($x, 0, 1);
+            $matrix->set($x, 6, 1);
+        }
+
+        for ($y = 1; $y < 6; ++$y) {
+            $matrix->set(0, $y, 1);
+            $matrix->set(6, $y, 1);
+        }
+
+        return $this->module->createPath($matrix)->translate(-3.5, -3.5);
+    }
+
+    public function getInternalPath() : Path
+    {
+        $matrix = new ByteMatrix(3, 3);
+
+        for ($x = 0; $x < 3; ++$x) {
+            for ($y = 0; $y < 3; ++$y) {
+                $matrix->set($x, $y, 1);
+            }
+        }
+
+        return $this->module->createPath($matrix)->translate(-1.5, -1.5);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SimpleCircleEye.php b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SimpleCircleEye.php
new file mode 100755
index 0000000..64d54ee
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SimpleCircleEye.php
@@ -0,0 +1,54 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Eye;
+
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Renders the inner eye as a circle.
+ */
+final class SimpleCircleEye implements EyeInterface
+{
+    /**
+     * @var self|null
+     */
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance() : self
+    {
+        return self::$instance ?: self::$instance = new self();
+    }
+
+    public function getExternalPath() : Path
+    {
+        return (new Path())
+            ->move(-3.5, -3.5)
+            ->line(3.5, -3.5)
+            ->line(3.5, 3.5)
+            ->line(-3.5, 3.5)
+            ->close()
+            ->move(-2.5, -2.5)
+            ->line(-2.5, 2.5)
+            ->line(2.5, 2.5)
+            ->line(2.5, -2.5)
+            ->close()
+        ;
+    }
+
+    public function getInternalPath() : Path
+    {
+        return (new Path())
+            ->move(1.5, 0)
+            ->ellipticArc(1.5, 1.5, 0., false, true, 0., 1.5)
+            ->ellipticArc(1.5, 1.5, 0., false, true, -1.5, 0.)
+            ->ellipticArc(1.5, 1.5, 0., false, true, 0., -1.5)
+            ->ellipticArc(1.5, 1.5, 0., false, true, 1.5, 0.)
+            ->close()
+        ;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SquareEye.php b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SquareEye.php
new file mode 100755
index 0000000..a3892b4
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Eye/SquareEye.php
@@ -0,0 +1,53 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Eye;
+
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Renders the eyes in their default square shape.
+ */
+final class SquareEye implements EyeInterface
+{
+    /**
+     * @var self|null
+     */
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance() : self
+    {
+        return self::$instance ?: self::$instance = new self();
+    }
+
+    public function getExternalPath() : Path
+    {
+        return (new Path())
+            ->move(-3.5, -3.5)
+            ->line(3.5, -3.5)
+            ->line(3.5, 3.5)
+            ->line(-3.5, 3.5)
+            ->close()
+            ->move(-2.5, -2.5)
+            ->line(-2.5, 2.5)
+            ->line(2.5, 2.5)
+            ->line(2.5, -2.5)
+            ->close()
+        ;
+    }
+
+    public function getInternalPath() : Path
+    {
+        return (new Path())
+            ->move(-1.5, -1.5)
+            ->line(1.5, -1.5)
+            ->line(1.5, 1.5)
+            ->line(-1.5, 1.5)
+            ->close()
+        ;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Image/EpsImageBackEnd.php b/vendor/bacon/bacon-qr-code/src/Renderer/Image/EpsImageBackEnd.php
new file mode 100755
index 0000000..b581b54
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Image/EpsImageBackEnd.php
@@ -0,0 +1,376 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Image;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\Alpha;
+use BaconQrCode\Renderer\Color\Cmyk;
+use BaconQrCode\Renderer\Color\ColorInterface;
+use BaconQrCode\Renderer\Color\Gray;
+use BaconQrCode\Renderer\Color\Rgb;
+use BaconQrCode\Renderer\Path\Close;
+use BaconQrCode\Renderer\Path\Curve;
+use BaconQrCode\Renderer\Path\EllipticArc;
+use BaconQrCode\Renderer\Path\Line;
+use BaconQrCode\Renderer\Path\Move;
+use BaconQrCode\Renderer\Path\Path;
+use BaconQrCode\Renderer\RendererStyle\Gradient;
+use BaconQrCode\Renderer\RendererStyle\GradientType;
+
+final class EpsImageBackEnd implements ImageBackEndInterface
+{
+    private const PRECISION = 3;
+
+    /**
+     * @var string|null
+     */
+    private $eps;
+
+    public function new(int $size, ColorInterface $backgroundColor) : void
+    {
+        $this->eps = "%!PS-Adobe-3.0 EPSF-3.0\n"
+            . "%%Creator: BaconQrCode\n"
+            . sprintf("%%%%BoundingBox: 0 0 %d %d \n", $size, $size)
+            . "%%BeginProlog\n"
+            . "save\n"
+            . "50 dict begin\n"
+            . "/q { gsave } bind def\n"
+            . "/Q { grestore } bind def\n"
+            . "/s { scale } bind def\n"
+            . "/t { translate } bind def\n"
+            . "/r { rotate } bind def\n"
+            . "/n { newpath } bind def\n"
+            . "/m { moveto } bind def\n"
+            . "/l { lineto } bind def\n"
+            . "/c { curveto } bind def\n"
+            . "/z { closepath } bind def\n"
+            . "/f { eofill } bind def\n"
+            . "/rgb { setrgbcolor } bind def\n"
+            . "/cmyk { setcmykcolor } bind def\n"
+            . "/gray { setgray } bind def\n"
+            . "%%EndProlog\n"
+            . "1 -1 s\n"
+            . sprintf("0 -%d t\n", $size);
+
+        if ($backgroundColor instanceof Alpha && 0 === $backgroundColor->getAlpha()) {
+            return;
+        }
+
+        $this->eps .= wordwrap(
+            '0 0 m'
+            . sprintf(' %s 0 l', (string) $size)
+            . sprintf(' %s %s l', (string) $size, (string) $size)
+            . sprintf(' 0 %s l', (string) $size)
+            . ' z'
+            . ' ' .$this->getColorSetString($backgroundColor) . " f\n",
+            75,
+            "\n "
+        );
+    }
+
+    public function scale(float $size) : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= sprintf("%1\$s %1\$s s\n", round($size, self::PRECISION));
+    }
+
+    public function translate(float $x, float $y) : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= sprintf("%s %s t\n", round($x, self::PRECISION), round($y, self::PRECISION));
+    }
+
+    public function rotate(int $degrees) : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= sprintf("%d r\n", $degrees);
+    }
+
+    public function push() : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= "q\n";
+    }
+
+    public function pop() : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= "Q\n";
+    }
+
+    public function drawPathWithColor(Path $path, ColorInterface $color) : void
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $fromX = 0;
+        $fromY = 0;
+        $this->eps .= wordwrap(
+            'n '
+            . $this->drawPathOperations($path, $fromX, $fromY)
+            . ' ' . $this->getColorSetString($color) . " f\n",
+            75,
+            "\n "
+        );
+    }
+
+    public function drawPathWithGradient(
+        Path $path,
+        Gradient $gradient,
+        float $x,
+        float $y,
+        float $width,
+        float $height
+    ) : void {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $fromX = 0;
+        $fromY = 0;
+        $this->eps .= wordwrap(
+            'q n ' . $this->drawPathOperations($path, $fromX, $fromY) . "\n",
+            75,
+            "\n "
+        );
+
+        $this->createGradientFill($gradient, $x, $y, $width, $height);
+    }
+
+    public function done() : string
+    {
+        if (null === $this->eps) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->eps .= "%%TRAILER\nend restore\n%%EOF";
+        $blob = $this->eps;
+        $this->eps = null;
+
+        return $blob;
+    }
+
+    private function drawPathOperations(Iterable $ops, &$fromX, &$fromY) : string
+    {
+        $pathData = [];
+
+        foreach ($ops as $op) {
+            switch (true) {
+                case $op instanceof Move:
+                    $fromX = $toX = round($op->getX(), self::PRECISION);
+                    $fromY = $toY = round($op->getY(), self::PRECISION);
+                    $pathData[] = sprintf('%s %s m', $toX, $toY);
+                    break;
+
+                case $op instanceof Line:
+                    $fromX = $toX = round($op->getX(), self::PRECISION);
+                    $fromY = $toY = round($op->getY(), self::PRECISION);
+                    $pathData[] = sprintf('%s %s l', $toX, $toY);
+                    break;
+
+                case $op instanceof EllipticArc:
+                    $pathData[] = $this->drawPathOperations($op->toCurves($fromX, $fromY), $fromX, $fromY);
+                    break;
+
+                case $op instanceof Curve:
+                    $x1 = round($op->getX1(), self::PRECISION);
+                    $y1 = round($op->getY1(), self::PRECISION);
+                    $x2 = round($op->getX2(), self::PRECISION);
+                    $y2 = round($op->getY2(), self::PRECISION);
+                    $fromX = $x3 = round($op->getX3(), self::PRECISION);
+                    $fromY = $y3 = round($op->getY3(), self::PRECISION);
+                    $pathData[] = sprintf('%s %s %s %s %s %s c', $x1, $y1, $x2, $y2, $x3, $y3);
+                    break;
+
+                case $op instanceof Close:
+                    $pathData[] = 'z';
+                    break;
+
+                default:
+                    throw new RuntimeException('Unexpected draw operation: ' . get_class($op));
+            }
+        }
+
+        return implode(' ', $pathData);
+    }
+
+    private function createGradientFill(Gradient $gradient, float $x, float $y, float $width, float $height) : void
+    {
+        $startColor = $gradient->getStartColor();
+        $endColor = $gradient->getEndColor();
+
+        if ($startColor instanceof Alpha) {
+            $startColor = $startColor->getBaseColor();
+        }
+
+        $startColorType = get_class($startColor);
+
+        if (! in_array($startColorType, [Rgb::class, Cmyk::class, Gray::class])) {
+            $startColorType = Cmyk::class;
+            $startColor = $startColor->toCmyk();
+        }
+
+        if (get_class($endColor) !== $startColorType) {
+            switch ($startColorType) {
+                case Cmyk::class:
+                    $endColor = $endColor->toCmyk();
+                    break;
+
+                case Rgb::class:
+                    $endColor = $endColor->toRgb();
+                    break;
+
+                case Gray::class:
+                    $endColor = $endColor->toGray();
+                    break;
+            }
+        }
+
+        $this->eps .= "eoclip\n<<\n";
+
+        if ($gradient->getType() === GradientType::RADIAL()) {
+            $this->eps .= " /ShadingType 3\n";
+        } else {
+            $this->eps .= " /ShadingType 2\n";
+        }
+
+        $this->eps .= " /Extend [ true true ]\n"
+            . " /AntiAlias true\n";
+
+        switch ($startColorType) {
+            case Cmyk::class:
+                $this->eps .= " /ColorSpace /DeviceCMYK\n";
+                break;
+
+            case Rgb::class:
+                $this->eps .= " /ColorSpace /DeviceRGB\n";
+                break;
+
+            case Gray::class:
+                $this->eps .= " /ColorSpace /DeviceGray\n";
+                break;
+        }
+
+        switch ($gradient->getType()) {
+            case GradientType::HORIZONTAL():
+                $this->eps .= sprintf(
+                    " /Coords [ %s %s %s %s ]\n",
+                    round($x, self::PRECISION),
+                    round($y, self::PRECISION),
+                    round($x + $width, self::PRECISION),
+                    round($y, self::PRECISION)
+                );
+                break;
+
+            case GradientType::VERTICAL():
+                $this->eps .= sprintf(
+                    " /Coords [ %s %s %s %s ]\n",
+                    round($x, self::PRECISION),
+                    round($y, self::PRECISION),
+                    round($x, self::PRECISION),
+                    round($y + $height, self::PRECISION)
+                );
+                break;
+
+            case GradientType::DIAGONAL():
+                $this->eps .= sprintf(
+                    " /Coords [ %s %s %s %s ]\n",
+                    round($x, self::PRECISION),
+                    round($y, self::PRECISION),
+                    round($x + $width, self::PRECISION),
+                    round($y + $height, self::PRECISION)
+                );
+                break;
+
+            case GradientType::INVERSE_DIAGONAL():
+                $this->eps .= sprintf(
+                    " /Coords [ %s %s %s %s ]\n",
+                    round($x, self::PRECISION),
+                    round($y + $height, self::PRECISION),
+                    round($x + $width, self::PRECISION),
+                    round($y, self::PRECISION)
+                );
+                break;
+
+            case GradientType::RADIAL():
+                $centerX = ($x + $width) / 2;
+                $centerY = ($y + $height) / 2;
+
+                $this->eps .= sprintf(
+                    " /Coords [ %s %s 0 %s %s %s ]\n",
+                    round($centerX, self::PRECISION),
+                    round($centerY, self::PRECISION),
+                    round($centerX, self::PRECISION),
+                    round($centerY, self::PRECISION),
+                    round(max($width, $height) / 2, self::PRECISION)
+                );
+                break;
+        }
+
+        $this->eps .= " /Function\n"
+            . " <<\n"
+            . "  /FunctionType 2\n"
+            . "  /Domain [ 0 1 ]\n"
+            . sprintf("  /C0 [ %s ]\n", $this->getColorString($startColor))
+            . sprintf("  /C1 [ %s ]\n", $this->getColorString($endColor))
+            . "  /N 1\n"
+            . " >>\n>>\nshfill\nQ\n";
+    }
+
+    private function getColorSetString(ColorInterface $color) : string
+    {
+        if ($color instanceof Rgb) {
+            return $this->getColorString($color) . ' rgb';
+        }
+
+        if ($color instanceof Cmyk) {
+            return $this->getColorString($color) . ' cmyk';
+        }
+
+        if ($color instanceof Gray) {
+            return $this->getColorString($color) . ' gray';
+        }
+
+        return $this->getColorSetString($color->toCmyk());
+    }
+
+    private function getColorString(ColorInterface $color) : string
+    {
+        if ($color instanceof Rgb) {
+            return sprintf('%s %s %s', $color->getRed() / 255, $color->getGreen() / 255, $color->getBlue() / 255);
+        }
+
+        if ($color instanceof Cmyk) {
+            return sprintf(
+                '%s %s %s %s',
+                $color->getCyan() / 100,
+                $color->getMagenta() / 100,
+                $color->getYellow() / 100,
+                $color->getBlack() / 100
+            );
+        }
+
+        if ($color instanceof Gray) {
+            return sprintf('%s', $color->getGray() / 100);
+        }
+
+        return $this->getColorString($color->toCmyk());
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImageBackEndInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImageBackEndInterface.php
new file mode 100755
index 0000000..0935819
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImageBackEndInterface.php
@@ -0,0 +1,87 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Image;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\ColorInterface;
+use BaconQrCode\Renderer\Path\Path;
+use BaconQrCode\Renderer\RendererStyle\Gradient;
+
+/**
+ * Interface for back ends able to to produce path based images.
+ */
+interface ImageBackEndInterface
+{
+    /**
+     * Starts a new image.
+     *
+     * If a previous image was already started, previous data get erased.
+     */
+    public function new(int $size, ColorInterface $backgroundColor) : void;
+
+    /**
+     * Transforms all following drawing operation coordinates by scaling them by a given factor.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function scale(float $size) : void;
+
+    /**
+     * Transforms all following drawing operation coordinates by translating them by a given amount.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function translate(float $x, float $y) : void;
+
+    /**
+     * Transforms all following drawing operation coordinates by rotating them by a given amount.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function rotate(int $degrees) : void;
+
+    /**
+     * Pushes the current coordinate transformation onto a stack.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function push() : void;
+
+    /**
+     * Pops the last coordinate transformation from a stack.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function pop() : void;
+
+    /**
+     * Draws a path with a given color.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function drawPathWithColor(Path $path, ColorInterface $color) : void;
+
+    /**
+     * Draws a path with a given gradient which spans the box described by the position and size.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function drawPathWithGradient(
+        Path $path,
+        Gradient $gradient,
+        float $x,
+        float $y,
+        float $width,
+        float $height
+    ) : void;
+
+    /**
+     * Ends the image drawing operation and returns the resulting blob.
+     *
+     * This should reset the state of the back end and thus this method should only be callable once per image.
+     *
+     * @throws RuntimeException if no image was started yet.
+     */
+    public function done() : string;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImagickImageBackEnd.php b/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImagickImageBackEnd.php
new file mode 100755
index 0000000..adec85e
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Image/ImagickImageBackEnd.php
@@ -0,0 +1,336 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Image;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\Alpha;
+use BaconQrCode\Renderer\Color\Cmyk;
+use BaconQrCode\Renderer\Color\ColorInterface;
+use BaconQrCode\Renderer\Color\Gray;
+use BaconQrCode\Renderer\Color\Rgb;
+use BaconQrCode\Renderer\Path\Close;
+use BaconQrCode\Renderer\Path\Curve;
+use BaconQrCode\Renderer\Path\EllipticArc;
+use BaconQrCode\Renderer\Path\Line;
+use BaconQrCode\Renderer\Path\Move;
+use BaconQrCode\Renderer\Path\Path;
+use BaconQrCode\Renderer\RendererStyle\Gradient;
+use BaconQrCode\Renderer\RendererStyle\GradientType;
+use Imagick;
+use ImagickDraw;
+use ImagickPixel;
+
+final class ImagickImageBackEnd implements ImageBackEndInterface
+{
+    /**
+     * @var string
+     */
+    private $imageFormat;
+
+    /**
+     * @var int
+     */
+    private $compressionQuality;
+
+    /**
+     * @var Imagick|null
+     */
+    private $image;
+
+    /**
+     * @var ImagickDraw|null
+     */
+    private $draw;
+
+    /**
+     * @var int|null
+     */
+    private $gradientCount;
+
+    /**
+     * @var TransformationMatrix[]|null
+     */
+    private $matrices;
+
+    /**
+     * @var int|null
+     */
+    private $matrixIndex;
+
+    public function __construct(string $imageFormat = 'png', int $compressionQuality = 100)
+    {
+        if (! class_exists(Imagick::class)) {
+            throw new RuntimeException('You need to install the imagick extension to use this back end');
+        }
+
+        $this->imageFormat = $imageFormat;
+        $this->compressionQuality = $compressionQuality;
+    }
+
+    public function new(int $size, ColorInterface $backgroundColor) : void
+    {
+        $this->image = new Imagick();
+        $this->image->newImage($size, $size, $this->getColorPixel($backgroundColor));
+        $this->image->setImageFormat($this->imageFormat);
+        $this->image->setCompressionQuality($this->compressionQuality);
+        $this->draw = new ImagickDraw();
+        $this->gradientCount = 0;
+        $this->matrices = [new TransformationMatrix()];
+        $this->matrixIndex = 0;
+    }
+
+    public function scale(float $size) : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->scale($size, $size);
+        $this->matrices[$this->matrixIndex] = $this->matrices[$this->matrixIndex]
+            ->multiply(TransformationMatrix::scale($size));
+    }
+
+    public function translate(float $x, float $y) : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->translate($x, $y);
+        $this->matrices[$this->matrixIndex] = $this->matrices[$this->matrixIndex]
+            ->multiply(TransformationMatrix::translate($x, $y));
+    }
+
+    public function rotate(int $degrees) : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->rotate($degrees);
+        $this->matrices[$this->matrixIndex] = $this->matrices[$this->matrixIndex]
+            ->multiply(TransformationMatrix::rotate($degrees));
+    }
+
+    public function push() : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->push();
+        $this->matrices[++$this->matrixIndex] = $this->matrices[$this->matrixIndex - 1];
+    }
+
+    public function pop() : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->pop();
+        unset($this->matrices[$this->matrixIndex--]);
+    }
+
+    public function drawPathWithColor(Path $path, ColorInterface $color) : void
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->setFillColor($this->getColorPixel($color));
+        $this->drawPath($path);
+    }
+
+    public function drawPathWithGradient(
+        Path $path,
+        Gradient $gradient,
+        float $x,
+        float $y,
+        float $width,
+        float $height
+    ) : void {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->draw->setFillPatternURL('#' . $this->createGradientFill($gradient, $x, $y, $width, $height));
+        $this->drawPath($path);
+    }
+
+    public function done() : string
+    {
+        if (null === $this->draw) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->image->drawImage($this->draw);
+        $blob = $this->image->getImageBlob();
+        $this->draw->clear();
+        $this->image->clear();
+        $this->draw = null;
+        $this->image = null;
+        $this->gradientCount = null;
+
+        return $blob;
+    }
+
+    private function drawPath(Path $path) : void
+    {
+        $this->draw->pathStart();
+
+        foreach ($path as $op) {
+            switch (true) {
+                case $op instanceof Move:
+                    $this->draw->pathMoveToAbsolute($op->getX(), $op->getY());
+                    break;
+
+                case $op instanceof Line:
+                    $this->draw->pathLineToAbsolute($op->getX(), $op->getY());
+                    break;
+
+                case $op instanceof EllipticArc:
+                    $this->draw->pathEllipticArcAbsolute(
+                        $op->getXRadius(),
+                        $op->getYRadius(),
+                        $op->getXAxisAngle(),
+                        $op->isLargeArc(),
+                        $op->isSweep(),
+                        $op->getX(),
+                        $op->getY()
+                    );
+                    break;
+
+                case $op instanceof Curve:
+                    $this->draw->pathCurveToAbsolute(
+                        $op->getX1(),
+                        $op->getY1(),
+                        $op->getX2(),
+                        $op->getY2(),
+                        $op->getX3(),
+                        $op->getY3()
+                    );
+                    break;
+
+                case $op instanceof Close:
+                    $this->draw->pathClose();
+                    break;
+
+                default:
+                    throw new RuntimeException('Unexpected draw operation: ' . get_class($op));
+            }
+        }
+
+        $this->draw->pathFinish();
+    }
+
+    private function createGradientFill(Gradient $gradient, float $x, float $y, float $width, float $height) : string
+    {
+        list($width, $height) = $this->matrices[$this->matrixIndex]->apply($width, $height);
+
+        $startColor = $this->getColorPixel($gradient->getStartColor())->getColorAsString();
+        $endColor = $this->getColorPixel($gradient->getEndColor())->getColorAsString();
+        $gradientImage = new Imagick();
+
+        switch ($gradient->getType()) {
+            case GradientType::HORIZONTAL():
+                $gradientImage->newPseudoImage((int) $height, (int) $width, sprintf(
+                    'gradient:%s-%s',
+                    $startColor,
+                    $endColor
+                ));
+                $gradientImage->rotateImage('transparent', -90);
+                break;
+
+            case GradientType::VERTICAL():
+                $gradientImage->newPseudoImage((int) $width, (int) $height, sprintf(
+                    'gradient:%s-%s',
+                    $startColor,
+                    $endColor
+                ));
+                break;
+
+            case GradientType::DIAGONAL():
+            case GradientType::INVERSE_DIAGONAL():
+                $gradientImage->newPseudoImage((int) ($width * sqrt(2)), (int) ($height * sqrt(2)), sprintf(
+                    'gradient:%s-%s',
+                    $startColor,
+                    $endColor
+                ));
+
+                if (GradientType::DIAGONAL() === $gradient->getType()) {
+                    $gradientImage->rotateImage('transparent', -45);
+                } else {
+                    $gradientImage->rotateImage('transparent', -135);
+                }
+
+                $rotatedWidth = $gradientImage->getImageWidth();
+                $rotatedHeight = $gradientImage->getImageHeight();
+
+                $gradientImage->setImagePage($rotatedWidth, $rotatedHeight, 0, 0);
+                $gradientImage->cropImage(
+                    intdiv($rotatedWidth, 2) - 2,
+                    intdiv($rotatedHeight, 2) - 2,
+                    intdiv($rotatedWidth, 4) + 1,
+                    intdiv($rotatedWidth, 4) + 1
+                );
+                break;
+
+            case GradientType::RADIAL():
+                $gradientImage->newPseudoImage((int) $width, (int) $height, sprintf(
+                    'radial-gradient:%s-%s',
+                    $startColor,
+                    $endColor
+                ));
+                break;
+        }
+
+        $id = sprintf('g%d', ++$this->gradientCount);
+        $this->draw->pushPattern($id, 0, 0, $width, $height);
+        $this->draw->composite(Imagick::COMPOSITE_COPY, 0, 0, $width, $height, $gradientImage);
+        $this->draw->popPattern();
+        return $id;
+    }
+
+    private function getColorPixel(ColorInterface $color) : ImagickPixel
+    {
+        $alpha = 100;
+
+        if ($color instanceof Alpha) {
+            $alpha = $color->getAlpha();
+            $color = $color->getBaseColor();
+        }
+
+        if ($color instanceof Rgb) {
+            return new ImagickPixel(sprintf(
+                'rgba(%d, %d, %d, %F)',
+                $color->getRed(),
+                $color->getGreen(),
+                $color->getBlue(),
+                $alpha / 100
+            ));
+        }
+
+        if ($color instanceof Cmyk) {
+            return new ImagickPixel(sprintf(
+                'cmyka(%d, %d, %d, %d, %F)',
+                $color->getCyan(),
+                $color->getMagenta(),
+                $color->getYellow(),
+                $color->getBlack(),
+                $alpha / 100
+            ));
+        }
+
+        if ($color instanceof Gray) {
+            return new ImagickPixel(sprintf(
+                'graya(%d%%, %F)',
+                $color->getGray(),
+                $alpha / 100
+            ));
+        }
+
+        return $this->getColorPixel(new Alpha($alpha, $color->toRgb()));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Image/SvgImageBackEnd.php b/vendor/bacon/bacon-qr-code/src/Renderer/Image/SvgImageBackEnd.php
new file mode 100755
index 0000000..714da6e
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Image/SvgImageBackEnd.php
@@ -0,0 +1,369 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Image;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\Alpha;
+use BaconQrCode\Renderer\Color\ColorInterface;
+use BaconQrCode\Renderer\Path\Close;
+use BaconQrCode\Renderer\Path\Curve;
+use BaconQrCode\Renderer\Path\EllipticArc;
+use BaconQrCode\Renderer\Path\Line;
+use BaconQrCode\Renderer\Path\Move;
+use BaconQrCode\Renderer\Path\Path;
+use BaconQrCode\Renderer\RendererStyle\Gradient;
+use BaconQrCode\Renderer\RendererStyle\GradientType;
+use XMLWriter;
+
+final class SvgImageBackEnd implements ImageBackEndInterface
+{
+    private const PRECISION = 3;
+
+    /**
+     * @var XMLWriter|null
+     */
+    private $xmlWriter;
+
+    /**
+     * @var int[]|null
+     */
+    private $stack;
+
+    /**
+     * @var int|null
+     */
+    private $currentStack;
+
+    /**
+     * @var int|null
+     */
+    private $gradientCount;
+
+    public function __construct()
+    {
+        if (! class_exists(XMLWriter::class)) {
+            throw new RuntimeException('You need to install the libxml extension to use this back end');
+        }
+    }
+
+    public function new(int $size, ColorInterface $backgroundColor) : void
+    {
+        $this->xmlWriter = new XMLWriter();
+        $this->xmlWriter->openMemory();
+
+        $this->xmlWriter->startDocument('1.0', 'UTF-8');
+        $this->xmlWriter->startElement('svg');
+        $this->xmlWriter->writeAttribute('xmlns', 'http://www.w3.org/2000/svg');
+        $this->xmlWriter->writeAttribute('version', '1.1');
+        $this->xmlWriter->writeAttribute('width', (string) $size);
+        $this->xmlWriter->writeAttribute('height', (string) $size);
+        $this->xmlWriter->writeAttribute('viewBox', '0 0 '. $size . ' ' . $size);
+
+        $this->gradientCount = 0;
+        $this->currentStack = 0;
+        $this->stack[0] = 0;
+
+        $alpha = 1;
+
+        if ($backgroundColor instanceof Alpha) {
+            $alpha = $backgroundColor->getAlpha() / 100;
+        }
+
+        if (0 === $alpha) {
+            return;
+        }
+
+        $this->xmlWriter->startElement('rect');
+        $this->xmlWriter->writeAttribute('x', '0');
+        $this->xmlWriter->writeAttribute('y', '0');
+        $this->xmlWriter->writeAttribute('width', (string) $size);
+        $this->xmlWriter->writeAttribute('height', (string) $size);
+        $this->xmlWriter->writeAttribute('fill', $this->getColorString($backgroundColor));
+
+        if ($alpha < 1) {
+            $this->xmlWriter->writeAttribute('fill-opacity', (string) $alpha);
+        }
+
+        $this->xmlWriter->endElement();
+    }
+
+    public function scale(float $size) : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->xmlWriter->startElement('g');
+        $this->xmlWriter->writeAttribute(
+            'transform',
+            sprintf('scale(%s)', round($size, self::PRECISION))
+        );
+        ++$this->stack[$this->currentStack];
+    }
+
+    public function translate(float $x, float $y) : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->xmlWriter->startElement('g');
+        $this->xmlWriter->writeAttribute(
+            'transform',
+            sprintf('translate(%s,%s)', round($x, self::PRECISION), round($y, self::PRECISION))
+        );
+        ++$this->stack[$this->currentStack];
+    }
+
+    public function rotate(int $degrees) : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->xmlWriter->startElement('g');
+        $this->xmlWriter->writeAttribute('transform', sprintf('rotate(%d)', $degrees));
+        ++$this->stack[$this->currentStack];
+    }
+
+    public function push() : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $this->xmlWriter->startElement('g');
+        $this->stack[] = 1;
+        ++$this->currentStack;
+    }
+
+    public function pop() : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        for ($i = 0; $i < $this->stack[$this->currentStack]; ++$i) {
+            $this->xmlWriter->endElement();
+        }
+
+        array_pop($this->stack);
+        --$this->currentStack;
+    }
+
+    public function drawPathWithColor(Path $path, ColorInterface $color) : void
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $alpha = 1;
+
+        if ($color instanceof Alpha) {
+            $alpha = $color->getAlpha() / 100;
+        }
+
+        $this->startPathElement($path);
+        $this->xmlWriter->writeAttribute('fill', $this->getColorString($color));
+
+        if ($alpha < 1) {
+            $this->xmlWriter->writeAttribute('fill-opacity', (string) $alpha);
+        }
+
+        $this->xmlWriter->endElement();
+    }
+
+    public function drawPathWithGradient(
+        Path $path,
+        Gradient $gradient,
+        float $x,
+        float $y,
+        float $width,
+        float $height
+    ) : void {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        $gradientId = $this->createGradientFill($gradient, $x, $y, $width, $height);
+        $this->startPathElement($path);
+        $this->xmlWriter->writeAttribute('fill', 'url(#' . $gradientId . ')');
+        $this->xmlWriter->endElement();
+    }
+
+    public function done() : string
+    {
+        if (null === $this->xmlWriter) {
+            throw new RuntimeException('No image has been started');
+        }
+
+        foreach ($this->stack as $openElements) {
+            for ($i = $openElements; $i > 0; --$i) {
+                $this->xmlWriter->endElement();
+            }
+        }
+
+        $this->xmlWriter->endDocument();
+        $blob = $this->xmlWriter->outputMemory(true);
+        $this->xmlWriter = null;
+        $this->stack = null;
+        $this->currentStack = null;
+        $this->gradientCount = null;
+
+        return $blob;
+    }
+
+    private function startPathElement(Path $path) : void
+    {
+        $pathData = [];
+
+        foreach ($path as $op) {
+            switch (true) {
+                case $op instanceof Move:
+                    $pathData[] = sprintf(
+                        'M%s %s',
+                        round($op->getX(), self::PRECISION),
+                        round($op->getY(), self::PRECISION)
+                    );
+                    break;
+
+                case $op instanceof Line:
+                    $pathData[] = sprintf(
+                        'L%s %s',
+                        round($op->getX(), self::PRECISION),
+                        round($op->getY(), self::PRECISION)
+                    );
+                    break;
+
+                case $op instanceof EllipticArc:
+                    $pathData[] = sprintf(
+                        'A%s %s %s %u %u %s %s',
+                        round($op->getXRadius(), self::PRECISION),
+                        round($op->getYRadius(), self::PRECISION),
+                        round($op->getXAxisAngle(), self::PRECISION),
+                        $op->isLargeArc(),
+                        $op->isSweep(),
+                        round($op->getX(), self::PRECISION),
+                        round($op->getY(), self::PRECISION)
+                    );
+                    break;
+
+                case $op instanceof Curve:
+                    $pathData[] = sprintf(
+                        'C%s %s %s %s %s %s',
+                        round($op->getX1(), self::PRECISION),
+                        round($op->getY1(), self::PRECISION),
+                        round($op->getX2(), self::PRECISION),
+                        round($op->getY2(), self::PRECISION),
+                        round($op->getX3(), self::PRECISION),
+                        round($op->getY3(), self::PRECISION)
+                    );
+                    break;
+
+                case $op instanceof Close:
+                    $pathData[] = 'Z';
+                    break;
+
+                default:
+                    throw new RuntimeException('Unexpected draw operation: ' . get_class($op));
+            }
+        }
+
+        $this->xmlWriter->startElement('path');
+        $this->xmlWriter->writeAttribute('fill-rule', 'evenodd');
+        $this->xmlWriter->writeAttribute('d', implode('', $pathData));
+    }
+
+    private function createGradientFill(Gradient $gradient, float $x, float $y, float $width, float $height) : string
+    {
+        $this->xmlWriter->startElement('defs');
+
+        $startColor = $gradient->getStartColor();
+        $endColor = $gradient->getEndColor();
+
+        if ($gradient->getType() === GradientType::RADIAL()) {
+            $this->xmlWriter->startElement('radialGradient');
+        } else {
+            $this->xmlWriter->startElement('linearGradient');
+        }
+
+        $this->xmlWriter->writeAttribute('gradientUnits', 'userSpaceOnUse');
+
+        switch ($gradient->getType()) {
+            case GradientType::HORIZONTAL():
+                $this->xmlWriter->writeAttribute('x1', (string) round($x, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y1', (string) round($y, self::PRECISION));
+                $this->xmlWriter->writeAttribute('x2', (string) round($x + $width, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y2', (string) round($y, self::PRECISION));
+                break;
+
+            case GradientType::VERTICAL():
+                $this->xmlWriter->writeAttribute('x1', (string) round($x, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y1', (string) round($y, self::PRECISION));
+                $this->xmlWriter->writeAttribute('x2', (string) round($x, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y2', (string) round($y + $height, self::PRECISION));
+                break;
+
+            case GradientType::DIAGONAL():
+                $this->xmlWriter->writeAttribute('x1', (string) round($x, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y1', (string) round($y, self::PRECISION));
+                $this->xmlWriter->writeAttribute('x2', (string) round($x + $width, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y2', (string) round($y + $height, self::PRECISION));
+                break;
+
+            case GradientType::INVERSE_DIAGONAL():
+                $this->xmlWriter->writeAttribute('x1', (string) round($x, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y1', (string) round($y + $height, self::PRECISION));
+                $this->xmlWriter->writeAttribute('x2', (string) round($x + $width, self::PRECISION));
+                $this->xmlWriter->writeAttribute('y2', (string) round($y, self::PRECISION));
+                break;
+
+            case GradientType::RADIAL():
+                $this->xmlWriter->writeAttribute('cx', (string) round(($x + $width) / 2, self::PRECISION));
+                $this->xmlWriter->writeAttribute('cy', (string) round(($y + $height) / 2, self::PRECISION));
+                $this->xmlWriter->writeAttribute('r', (string) round(max($width, $height) / 2, self::PRECISION));
+                break;
+        }
+
+        $id = sprintf('g%d', ++$this->gradientCount);
+        $this->xmlWriter->writeAttribute('id', $id);
+
+        $this->xmlWriter->startElement('stop');
+        $this->xmlWriter->writeAttribute('offset', '0%');
+        $this->xmlWriter->writeAttribute('stop-color', $this->getColorString($startColor));
+
+        if ($startColor instanceof Alpha) {
+            $this->xmlWriter->writeAttribute('stop-opacity', $startColor->getAlpha());
+        }
+
+        $this->xmlWriter->endElement();
+
+        $this->xmlWriter->startElement('stop');
+        $this->xmlWriter->writeAttribute('offset', '100%');
+        $this->xmlWriter->writeAttribute('stop-color', $this->getColorString($endColor));
+
+        if ($endColor instanceof Alpha) {
+            $this->xmlWriter->writeAttribute('stop-opacity', $endColor->getAlpha());
+        }
+
+        $this->xmlWriter->endElement();
+
+        $this->xmlWriter->endElement();
+        $this->xmlWriter->endElement();
+
+        return $id;
+    }
+
+    private function getColorString(ColorInterface $color) : string
+    {
+        $color = $color->toRgb();
+
+        return sprintf(
+            '#%02x%02x%02x',
+            $color->getRed(),
+            $color->getGreen(),
+            $color->getBlue()
+        );
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Image/TransformationMatrix.php b/vendor/bacon/bacon-qr-code/src/Renderer/Image/TransformationMatrix.php
new file mode 100755
index 0000000..7e88da6
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Image/TransformationMatrix.php
@@ -0,0 +1,68 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Image;
+
+final class TransformationMatrix
+{
+    /**
+     * @var float[]
+     */
+    private $values;
+
+    public function __construct()
+    {
+        $this->values = [1, 0, 0, 1, 0, 0];
+    }
+
+    public function multiply(self $other) : self
+    {
+        $matrix = new self();
+        $matrix->values[0] = $this->values[0] * $other->values[0] + $this->values[2] * $other->values[1];
+        $matrix->values[1] = $this->values[1] * $other->values[0] + $this->values[3] * $other->values[1];
+        $matrix->values[2] = $this->values[0] * $other->values[2] + $this->values[2] * $other->values[3];
+        $matrix->values[3] = $this->values[1] * $other->values[2] + $this->values[3] * $other->values[3];
+        $matrix->values[4] = $this->values[0] * $other->values[4] + $this->values[2] * $other->values[5]
+            + $this->values[4];
+        $matrix->values[5] = $this->values[1] * $other->values[4] + $this->values[3] * $other->values[5]
+            + $this->values[5];
+
+        return $matrix;
+    }
+
+    public static function scale(float $size) : self
+    {
+        $matrix = new self();
+        $matrix->values = [$size, 0, 0, $size, 0, 0];
+        return $matrix;
+    }
+
+    public static function translate(float $x, float $y) : self
+    {
+        $matrix = new self();
+        $matrix->values = [1, 0, 0, 1, $x, $y];
+        return $matrix;
+    }
+
+    public static function rotate(int $degrees) : self
+    {
+        $matrix = new self();
+        $rad = deg2rad($degrees);
+        $matrix->values = [cos($rad), sin($rad), -sin($rad), cos($rad), 0, 0];
+        return $matrix;
+    }
+
+
+    /**
+     * Applies this matrix onto a point and returns the resulting viewport point.
+     *
+     * @return float[]
+     */
+    public function apply(float $x, float $y) : array
+    {
+        return [
+            $x * $this->values[0] + $y * $this->values[2] + $this->values[4],
+            $x * $this->values[1] + $y * $this->values[3] + $this->values[5],
+        ];
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/ImageRenderer.php b/vendor/bacon/bacon-qr-code/src/Renderer/ImageRenderer.php
new file mode 100755
index 0000000..ab16276
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/ImageRenderer.php
@@ -0,0 +1,152 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer;
+
+use BaconQrCode\Encoder\MatrixUtil;
+use BaconQrCode\Encoder\QrCode;
+use BaconQrCode\Exception\InvalidArgumentException;
+use BaconQrCode\Renderer\Image\ImageBackEndInterface;
+use BaconQrCode\Renderer\Path\Path;
+use BaconQrCode\Renderer\RendererStyle\EyeFill;
+use BaconQrCode\Renderer\RendererStyle\RendererStyle;
+
+final class ImageRenderer implements RendererInterface
+{
+    /**
+     * @var RendererStyle
+     */
+    private $rendererStyle;
+
+    /**
+     * @var ImageBackEndInterface
+     */
+    private $imageBackEnd;
+
+    public function __construct(RendererStyle $rendererStyle, ImageBackEndInterface $imageBackEnd)
+    {
+        $this->rendererStyle = $rendererStyle;
+        $this->imageBackEnd = $imageBackEnd;
+    }
+
+    /**
+     * @throws InvalidArgumentException if matrix width doesn't match height
+     */
+    public function render(QrCode $qrCode) : string
+    {
+        $size = $this->rendererStyle->getSize();
+        $margin = $this->rendererStyle->getMargin();
+        $matrix = $qrCode->getMatrix();
+        $matrixSize = $matrix->getWidth();
+
+        if ($matrixSize !== $matrix->getHeight()) {
+            throw new InvalidArgumentException('Matrix must have the same width and height');
+        }
+
+        $totalSize = $matrixSize + ($margin * 2);
+        $moduleSize = $size / $totalSize;
+        $fill = $this->rendererStyle->getFill();
+
+        $this->imageBackEnd->new($size, $fill->getBackgroundColor());
+        $this->imageBackEnd->scale((float) $moduleSize);
+        $this->imageBackEnd->translate((float) $margin, (float) $margin);
+
+        $module = $this->rendererStyle->getModule();
+        $moduleMatrix = clone $matrix;
+        MatrixUtil::removePositionDetectionPatterns($moduleMatrix);
+        $modulePath = $this->drawEyes($matrixSize, $module->createPath($moduleMatrix));
+
+        if ($fill->hasGradientFill()) {
+            $this->imageBackEnd->drawPathWithGradient(
+                $modulePath,
+                $fill->getForegroundGradient(),
+                0,
+                0,
+                $matrixSize,
+                $matrixSize
+            );
+        } else {
+            $this->imageBackEnd->drawPathWithColor($modulePath, $fill->getForegroundColor());
+        }
+
+        return $this->imageBackEnd->done();
+    }
+
+    private function drawEyes(int $matrixSize, Path $modulePath) : Path
+    {
+        $fill = $this->rendererStyle->getFill();
+
+        $eye = $this->rendererStyle->getEye();
+        $externalPath = $eye->getExternalPath();
+        $internalPath = $eye->getInternalPath();
+
+        $modulePath = $this->drawEye(
+            $externalPath,
+            $internalPath,
+            $fill->getTopLeftEyeFill(),
+            3.5,
+            3.5,
+            0,
+            $modulePath
+        );
+        $modulePath = $this->drawEye(
+            $externalPath,
+            $internalPath,
+            $fill->getTopRightEyeFill(),
+            $matrixSize - 3.5,
+            3.5,
+            90,
+            $modulePath
+        );
+        $modulePath = $this->drawEye(
+            $externalPath,
+            $internalPath,
+            $fill->getBottomLeftEyeFill(),
+            3.5,
+            $matrixSize - 3.5,
+            -90,
+            $modulePath
+        );
+
+        return $modulePath;
+    }
+
+    private function drawEye(
+        Path $externalPath,
+        Path $internalPath,
+        EyeFill $fill,
+        float $xTranslation,
+        float $yTranslation,
+        int $rotation,
+        Path $modulePath
+    ) : Path {
+        if ($fill->inheritsBothColors()) {
+            return $modulePath
+                ->append($externalPath->translate($xTranslation, $yTranslation))
+                ->append($internalPath->translate($xTranslation, $yTranslation));
+        }
+
+        $this->imageBackEnd->push();
+        $this->imageBackEnd->translate($xTranslation, $yTranslation);
+
+        if (0 !== $rotation) {
+            $this->imageBackEnd->rotate($rotation);
+        }
+
+        if ($fill->inheritsExternalColor()) {
+            $modulePath = $modulePath->append($externalPath->translate($xTranslation, $yTranslation));
+        } else {
+            $this->imageBackEnd->drawPathWithColor($externalPath, $fill->getExternalColor());
+        }
+
+        if ($fill->inheritsInternalColor()) {
+            $modulePath = $modulePath->append($internalPath->translate($xTranslation, $yTranslation));
+        } else {
+            $this->imageBackEnd->drawPathWithColor($internalPath, $fill->getInternalColor());
+        }
+
+        $this->imageBackEnd->pop();
+
+        return $modulePath;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/DotsModule.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/DotsModule.php
new file mode 100755
index 0000000..f536e5a
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/DotsModule.php
@@ -0,0 +1,63 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Exception\InvalidArgumentException;
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Renders individual modules as dots.
+ */
+final class DotsModule implements ModuleInterface
+{
+    public const LARGE = 1;
+    public const MEDIUM = .8;
+    public const SMALL = .6;
+
+    /**
+     * @var float
+     */
+    private $size;
+
+    public function __construct(float $size)
+    {
+        if ($size <= 0 || $size > 1) {
+            throw new InvalidArgumentException('Size must between 0 (exclusive) and 1 (inclusive)');
+        }
+
+        $this->size = $size;
+    }
+
+    public function createPath(ByteMatrix $matrix) : Path
+    {
+        $width = $matrix->getWidth();
+        $height = $matrix->getHeight();
+        $path = new Path();
+        $halfSize = $this->size / 2;
+        $margin = (1 - $this->size) / 2;
+
+        for ($y = 0; $y < $height; ++$y) {
+            for ($x = 0; $x < $width; ++$x) {
+                if (! $matrix->get($x, $y)) {
+                    continue;
+                }
+
+                $pathX = $x + $margin;
+                $pathY = $y + $margin;
+
+                $path = $path
+                    ->move($pathX + $this->size, $pathY + $halfSize)
+                    ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $halfSize, $pathY + $this->size)
+                    ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX, $pathY + $halfSize)
+                    ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $halfSize, $pathY)
+                    ->ellipticArc($halfSize, $halfSize, 0, false, true, $pathX + $this->size, $pathY + $halfSize)
+                    ->close()
+                ;
+            }
+        }
+
+        return $path;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/Edge.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/Edge.php
new file mode 100755
index 0000000..90482f2
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/Edge.php
@@ -0,0 +1,100 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module\EdgeIterator;
+
+final class Edge
+{
+    /**
+     * @var bool
+     */
+    private $positive;
+
+    /**
+     * @var array<int[]>
+     */
+    private $points = [];
+
+    /**
+     * @var array<int[]>|null
+     */
+    private $simplifiedPoints;
+
+    /**
+     * @var int
+     */
+    private $minX = PHP_INT_MAX;
+
+    /**
+     * @var int
+     */
+    private $minY = PHP_INT_MAX;
+
+    /**
+     * @var int
+     */
+    private $maxX = -1;
+
+    /**
+     * @var int
+     */
+    private $maxY = -1;
+
+    public function __construct(bool $positive)
+    {
+        $this->positive = $positive;
+    }
+
+    public function addPoint(int $x, int $y) : void
+    {
+        $this->points[] = [$x, $y];
+        $this->minX = min($this->minX, $x);
+        $this->minY = min($this->minY, $y);
+        $this->maxX = max($this->maxX, $x);
+        $this->maxY = max($this->maxY, $y);
+    }
+
+    public function isPositive() : bool
+    {
+        return $this->positive;
+    }
+
+    /**
+     * @return array<int[]>
+     */
+    public function getPoints() : array
+    {
+        return $this->points;
+    }
+
+    public function getMaxX() : int
+    {
+        return $this->maxX;
+    }
+
+    public function getSimplifiedPoints() : array
+    {
+        if (null !== $this->simplifiedPoints) {
+            return $this->simplifiedPoints;
+        }
+
+        $points = [];
+        $length = count($this->points);
+
+        for ($i = 0; $i < $length; ++$i) {
+            $previousPoint = $this->points[(0 === $i ? $length : $i) - 1];
+            $nextPoint = $this->points[($length - 1 === $i ? -1 : $i) + 1];
+            $currentPoint = $this->points[$i];
+
+            if (($previousPoint[0] === $currentPoint[0] && $currentPoint[0] === $nextPoint[0])
+                || ($previousPoint[1] === $currentPoint[1] && $currentPoint[1] === $nextPoint[1])
+            ) {
+                continue;
+            }
+
+            $points[] = $currentPoint;
+        }
+
+        return $this->simplifiedPoints = $points;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/EdgeIterator.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/EdgeIterator.php
new file mode 100755
index 0000000..af52d52
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/EdgeIterator/EdgeIterator.php
@@ -0,0 +1,169 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module\EdgeIterator;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use IteratorAggregate;
+use Traversable;
+
+/**
+ * Edge iterator based on potrace.
+ */
+final class EdgeIterator implements IteratorAggregate
+{
+    /**
+     * @var int[]
+     */
+    private $bytes = [];
+
+    /**
+     * @var int
+     */
+    private $size;
+
+    /**
+     * @var int
+     */
+    private $width;
+
+    /**
+     * @var int
+     */
+    private $height;
+
+    public function __construct(ByteMatrix $matrix)
+    {
+        $this->bytes = iterator_to_array($matrix->getBytes());
+        $this->size = count($this->bytes);
+        $this->width = $matrix->getWidth();
+        $this->height = $matrix->getHeight();
+    }
+
+    /**
+     * @return Edge[]
+     */
+    public function getIterator() : Traversable
+    {
+        $originalBytes = $this->bytes;
+        $point = $this->findNext(0, 0);
+
+        while (null !== $point) {
+            $edge = $this->findEdge($point[0], $point[1]);
+            $this->xorEdge($edge);
+
+            yield $edge;
+
+            $point = $this->findNext($point[0], $point[1]);
+        }
+
+        $this->bytes = $originalBytes;
+    }
+
+    /**
+     * @return int[]|null
+     */
+    private function findNext(int $x, int $y) : ?array
+    {
+        $i = $this->width * $y + $x;
+
+        while ($i < $this->size && 1 !== $this->bytes[$i]) {
+            ++$i;
+        }
+
+        if ($i < $this->size) {
+            return $this->pointOf($i);
+        }
+
+        return null;
+    }
+
+    private function findEdge(int $x, int $y) : Edge
+    {
+        $edge = new Edge($this->isSet($x, $y));
+        $startX = $x;
+        $startY = $y;
+        $dirX = 0;
+        $dirY = 1;
+
+        while (true) {
+            $edge->addPoint($x, $y);
+            $x += $dirX;
+            $y += $dirY;
+
+            if ($x === $startX && $y === $startY) {
+                break;
+            }
+
+            $left = $this->isSet($x + ($dirX + $dirY - 1 ) / 2, $y + ($dirY - $dirX - 1) / 2);
+            $right = $this->isSet($x + ($dirX - $dirY - 1) / 2, $y + ($dirY + $dirX - 1) / 2);
+
+            if ($right && ! $left) {
+                $tmp = $dirX;
+                $dirX = -$dirY;
+                $dirY = $tmp;
+            } elseif ($right) {
+                $tmp = $dirX;
+                $dirX = -$dirY;
+                $dirY = $tmp;
+            } elseif (! $left) {
+                $tmp = $dirX;
+                $dirX = $dirY;
+                $dirY = -$tmp;
+            }
+        }
+
+        return $edge;
+    }
+
+    private function xorEdge(Edge $path) : void
+    {
+        $points = $path->getPoints();
+        $y1 = $points[0][1];
+        $length = count($points);
+        $maxX = $path->getMaxX();
+
+        for ($i = 1; $i < $length; ++$i) {
+            $y = $points[$i][1];
+
+            if ($y === $y1) {
+                continue;
+            }
+
+            $x = $points[$i][0];
+            $minY = min($y1, $y);
+
+            for ($j = $x; $j < $maxX; ++$j) {
+                $this->flip($j, $minY);
+            }
+
+            $y1 = $y;
+        }
+    }
+
+    private function isSet(int $x, int $y) : bool
+    {
+        return (
+            $x >= 0
+            && $x < $this->width
+            && $y >= 0
+            && $y < $this->height
+        ) && 1 === $this->bytes[$this->width * $y + $x];
+    }
+
+    /**
+     * @return int[]
+     */
+    private function pointOf(int $i) : array
+    {
+        $y = intdiv($i, $this->width);
+        return [$i - $y * $this->width, $y];
+    }
+
+    private function flip(int $x, int $y) : void
+    {
+        $this->bytes[$this->width * $y + $x] = (
+            $this->isSet($x, $y) ? 0 : 1
+        );
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/ModuleInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/ModuleInterface.php
new file mode 100755
index 0000000..0ccb0e0
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/ModuleInterface.php
@@ -0,0 +1,18 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Interface describing how modules should be rendered.
+ *
+ * A module always receives a byte matrix (with values either being 1 or 0). It returns a path, where the origin
+ * coordinate (0, 0) equals the top left corner of the first matrix value.
+ */
+interface ModuleInterface
+{
+    public function createPath(ByteMatrix $matrix) : Path;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/RoundnessModule.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/RoundnessModule.php
new file mode 100755
index 0000000..01b83c6
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/RoundnessModule.php
@@ -0,0 +1,129 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Exception\InvalidArgumentException;
+use BaconQrCode\Renderer\Module\EdgeIterator\EdgeIterator;
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Rounds the corners of module groups.
+ */
+final class RoundnessModule implements ModuleInterface
+{
+    public const STRONG = 1;
+    public const MEDIUM = .5;
+    public const SOFT = .25;
+
+    /**
+     * @var float
+     */
+    private $intensity;
+
+    public function __construct(float $intensity)
+    {
+        if ($intensity <= 0 || $intensity > 1) {
+            throw new InvalidArgumentException('Intensity must between 0 (exclusive) and 1 (inclusive)');
+        }
+
+        $this->intensity = $intensity / 2;
+    }
+
+    public function createPath(ByteMatrix $matrix) : Path
+    {
+        $path = new Path();
+
+        foreach (new EdgeIterator($matrix) as $edge) {
+            $points = $edge->getSimplifiedPoints();
+            $length = count($points);
+
+            $currentPoint = $points[0];
+            $nextPoint = $points[1];
+            $horizontal = ($currentPoint[1] === $nextPoint[1]);
+
+            if ($horizontal) {
+                $right = $nextPoint[0] > $currentPoint[0];
+                $path = $path->move(
+                    $currentPoint[0] + ($right ? $this->intensity : -$this->intensity),
+                    $currentPoint[1]
+                );
+            } else {
+                $up = $nextPoint[0] < $currentPoint[0];
+                $path = $path->move(
+                    $currentPoint[0],
+                    $currentPoint[1] + ($up ? -$this->intensity : $this->intensity)
+                );
+            }
+
+            for ($i = 1; $i <= $length; ++$i) {
+                if ($i === $length) {
+                    $previousPoint = $points[$length - 1];
+                    $currentPoint = $points[0];
+                    $nextPoint = $points[1];
+                } else {
+                    $previousPoint = $points[(0 === $i ? $length : $i) - 1];
+                    $currentPoint = $points[$i];
+                    $nextPoint = $points[($length - 1 === $i ? -1 : $i) + 1];
+                }
+
+                $horizontal = ($previousPoint[1] === $currentPoint[1]);
+
+                if ($horizontal) {
+                    $right = $previousPoint[0] < $currentPoint[0];
+                    $up = $nextPoint[1] < $currentPoint[1];
+                    $sweep = ($up xor $right);
+
+                    if ($this->intensity < 0.5
+                        || ($right && $previousPoint[0] !== $currentPoint[0] - 1)
+                        || (! $right && $previousPoint[0] - 1 !== $currentPoint[0])
+                    ) {
+                        $path = $path->line(
+                            $currentPoint[0] + ($right ? -$this->intensity : $this->intensity),
+                            $currentPoint[1]
+                        );
+                    }
+
+                    $path = $path->ellipticArc(
+                        $this->intensity,
+                        $this->intensity,
+                        0,
+                        false,
+                        $sweep,
+                        $currentPoint[0],
+                        $currentPoint[1] + ($up ? -$this->intensity : $this->intensity)
+                    );
+                } else {
+                    $up = $previousPoint[1] > $currentPoint[1];
+                    $right = $nextPoint[0] > $currentPoint[0];
+                    $sweep = ! ($up xor $right);
+
+                    if ($this->intensity < 0.5
+                        || ($up && $previousPoint[1] !== $currentPoint[1] + 1)
+                        || (! $up && $previousPoint[0] + 1 !== $currentPoint[0])
+                    ) {
+                        $path = $path->line(
+                            $currentPoint[0],
+                            $currentPoint[1] + ($up ? $this->intensity : -$this->intensity)
+                        );
+                    }
+
+                    $path = $path->ellipticArc(
+                        $this->intensity,
+                        $this->intensity,
+                        0,
+                        false,
+                        $sweep,
+                        $currentPoint[0] + ($right ? $this->intensity : -$this->intensity),
+                        $currentPoint[1]
+                    );
+                }
+            }
+
+            $path = $path->close();
+        }
+
+        return $path;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Module/SquareModule.php b/vendor/bacon/bacon-qr-code/src/Renderer/Module/SquareModule.php
new file mode 100755
index 0000000..9ab4607
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Module/SquareModule.php
@@ -0,0 +1,47 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Module;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Renderer\Module\EdgeIterator\EdgeIterator;
+use BaconQrCode\Renderer\Path\Path;
+
+/**
+ * Groups modules together to a single path.
+ */
+final class SquareModule implements ModuleInterface
+{
+    /**
+     * @var self|null
+     */
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance() : self
+    {
+        return self::$instance ?: self::$instance = new self();
+    }
+
+    public function createPath(ByteMatrix $matrix) : Path
+    {
+        $path = new Path();
+
+        foreach (new EdgeIterator($matrix) as $edge) {
+            $points = $edge->getSimplifiedPoints();
+            $length = count($points);
+            $path = $path->move($points[0][0], $points[0][1]);
+
+            for ($i = 1; $i < $length; ++$i) {
+                $path = $path->line($points[$i][0], $points[$i][1]);
+            }
+
+            $path = $path->close();
+        }
+
+        return $path;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/Close.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Close.php
new file mode 100755
index 0000000..b07feb0
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Close.php
@@ -0,0 +1,29 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+final class Close implements OperationInterface
+{
+    /**
+     * @var self|null
+     */
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance() : self
+    {
+        return self::$instance ?: self::$instance = new self();
+    }
+
+    /**
+     * @return self
+     */
+    public function translate(float $x, float $y) : OperationInterface
+    {
+        return $this;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/Curve.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Curve.php
new file mode 100755
index 0000000..c067c74
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Curve.php
@@ -0,0 +1,92 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+final class Curve implements OperationInterface
+{
+    /**
+     * @var float
+     */
+    private $x1;
+
+    /**
+     * @var float
+     */
+    private $y1;
+
+    /**
+     * @var float
+     */
+    private $x2;
+
+    /**
+     * @var float
+     */
+    private $y2;
+
+    /**
+     * @var float
+     */
+    private $x3;
+
+    /**
+     * @var float
+     */
+    private $y3;
+
+    public function __construct(float $x1, float $y1, float $x2, float $y2, float $x3, float $y3)
+    {
+        $this->x1 = $x1;
+        $this->y1 = $y1;
+        $this->x2 = $x2;
+        $this->y2 = $y2;
+        $this->x3 = $x3;
+        $this->y3 = $y3;
+    }
+
+    public function getX1() : float
+    {
+        return $this->x1;
+    }
+
+    public function getY1() : float
+    {
+        return $this->y1;
+    }
+
+    public function getX2() : float
+    {
+        return $this->x2;
+    }
+
+    public function getY2() : float
+    {
+        return $this->y2;
+    }
+
+    public function getX3() : float
+    {
+        return $this->x3;
+    }
+
+    public function getY3() : float
+    {
+        return $this->y3;
+    }
+
+    /**
+     * @return self
+     */
+    public function translate(float $x, float $y) : OperationInterface
+    {
+        return new self(
+            $this->x1 + $x,
+            $this->y1 + $y,
+            $this->x2 + $x,
+            $this->y2 + $y,
+            $this->x3 + $x,
+            $this->y3 + $y
+        );
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/EllipticArc.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/EllipticArc.php
new file mode 100755
index 0000000..eff7deb
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/EllipticArc.php
@@ -0,0 +1,278 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+final class EllipticArc implements OperationInterface
+{
+    private const ZERO_TOLERANCE = 1e-05;
+
+    /**
+     * @var float
+     */
+    private $xRadius;
+
+    /**
+     * @var float
+     */
+    private $yRadius;
+
+    /**
+     * @var float
+     */
+    private $xAxisAngle;
+
+    /**
+     * @var bool
+     */
+    private $largeArc;
+
+    /**
+     * @var bool
+     */
+    private $sweep;
+
+    /**
+     * @var float
+     */
+    private $x;
+
+    /**
+     * @var float
+     */
+    private $y;
+
+    public function __construct(
+        float $xRadius,
+        float $yRadius,
+        float $xAxisAngle,
+        bool $largeArc,
+        bool $sweep,
+        float $x,
+        float $y
+    ) {
+        $this->xRadius = abs($xRadius);
+        $this->yRadius = abs($yRadius);
+        $this->xAxisAngle = $xAxisAngle % 360;
+        $this->largeArc = $largeArc;
+        $this->sweep = $sweep;
+        $this->x = $x;
+        $this->y = $y;
+    }
+
+    public function getXRadius() : float
+    {
+        return $this->xRadius;
+    }
+
+    public function getYRadius() : float
+    {
+        return $this->yRadius;
+    }
+
+    public function getXAxisAngle() : float
+    {
+        return $this->xAxisAngle;
+    }
+
+    public function isLargeArc() : bool
+    {
+        return $this->largeArc;
+    }
+
+    public function isSweep() : bool
+    {
+        return $this->sweep;
+    }
+
+    public function getX() : float
+    {
+        return $this->x;
+    }
+
+    public function getY() : float
+    {
+        return $this->y;
+    }
+
+    /**
+     * @return self
+     */
+    public function translate(float $x, float $y) : OperationInterface
+    {
+        return new self(
+            $this->xRadius,
+            $this->yRadius,
+            $this->xAxisAngle,
+            $this->largeArc,
+            $this->sweep,
+            $this->x + $x,
+            $this->y + $y
+        );
+    }
+
+    /**
+     * Converts the elliptic arc to multiple curves.
+     *
+     * Since not all image back ends support elliptic arcs, this method allows to convert the arc into multiple curves
+     * resembling the same result.
+     *
+     * @see https://mortoray.com/2017/02/16/rendering-an-svg-elliptical-arc-as-bezier-curves/
+     * @return array<Curve|Line>
+     */
+    public function toCurves(float $fromX, float $fromY) : array
+    {
+        if (sqrt(($fromX - $this->x) ** 2 + ($fromY - $this->y) ** 2) < self::ZERO_TOLERANCE) {
+            return [];
+        }
+
+        if ($this->xRadius < self::ZERO_TOLERANCE || $this->yRadius < self::ZERO_TOLERANCE) {
+            return [new Line($this->x, $this->y)];
+        }
+
+        return $this->createCurves($fromX, $fromY);
+    }
+
+    /**
+     * @return Curve[]
+     */
+    private function createCurves(float $fromX, $fromY) : array
+    {
+        $xAngle = deg2rad($this->xAxisAngle);
+        list($centerX, $centerY, $radiusX, $radiusY, $startAngle, $deltaAngle) =
+            $this->calculateCenterPointParameters($fromX, $fromY, $xAngle);
+
+        $s = $startAngle;
+        $e = $s + $deltaAngle;
+        $sign = ($e < $s) ? -1 : 1;
+        $remain = abs($e - $s);
+        $p1 = self::point($centerX, $centerY, $radiusX, $radiusY, $xAngle, $s);
+        $curves = [];
+
+        while ($remain > self::ZERO_TOLERANCE) {
+            $step = min($remain, pi() / 2);
+            $signStep = $step * $sign;
+            $p2 = self::point($centerX, $centerY, $radiusX, $radiusY, $xAngle, $s + $signStep);
+
+            $alphaT = tan($signStep / 2);
+            $alpha = sin($signStep) * (sqrt(4 + 3 * $alphaT ** 2) - 1) / 3;
+            $d1 = self::derivative($radiusX, $radiusY, $xAngle, $s);
+            $d2 = self::derivative($radiusX, $radiusY, $xAngle, $s + $signStep);
+
+            $curves[] = new Curve(
+                $p1[0] + $alpha * $d1[0],
+                $p1[1] + $alpha * $d1[1],
+                $p2[0] - $alpha * $d2[0],
+                $p2[1] - $alpha * $d2[1],
+                $p2[0],
+                $p2[1]
+            );
+
+            $s += $signStep;
+            $remain -= $step;
+            $p1 = $p2;
+        }
+
+        return $curves;
+    }
+
+    /**
+     * @return float[]
+     */
+    private function calculateCenterPointParameters(float $fromX, float $fromY, float $xAngle)
+    {
+        $rX = $this->xRadius;
+        $rY = $this->yRadius;
+
+        // F.6.5.1
+        $dx2 = ($fromX - $this->x) / 2;
+        $dy2 = ($fromY - $this->y) / 2;
+        $x1p = cos($xAngle) * $dx2 + sin($xAngle) * $dy2;
+        $y1p = -sin($xAngle) * $dx2 + cos($xAngle) * $dy2;
+
+        // F.6.5.2
+        $rxs = $rX ** 2;
+        $rys = $rY ** 2;
+        $x1ps = $x1p ** 2;
+        $y1ps = $y1p ** 2;
+        $cr = $x1ps / $rxs + $y1ps / $rys;
+
+        if ($cr > 1) {
+            $s = sqrt($cr);
+            $rX *= $s;
+            $rY *= $s;
+            $rxs = $rX ** 2;
+            $rys = $rY ** 2;
+        }
+
+        $dq = ($rxs * $y1ps + $rys * $x1ps);
+        $pq = ($rxs * $rys - $dq) / $dq;
+        $q = sqrt(max(0, $pq));
+
+        if ($this->largeArc === $this->sweep) {
+            $q = -$q;
+        }
+
+        $cxp = $q * $rX * $y1p / $rY;
+        $cyp = -$q * $rY * $x1p / $rX;
+
+        // F.6.5.3
+        $cx = cos($xAngle) * $cxp - sin($xAngle) * $cyp + ($fromX + $this->x) / 2;
+        $cy = sin($xAngle) * $cxp + cos($xAngle) * $cyp + ($fromY + $this->y) / 2;
+
+        // F.6.5.5
+        $theta = self::angle(1, 0, ($x1p - $cxp) / $rX, ($y1p - $cyp) / $rY);
+
+        // F.6.5.6
+        $delta = self::angle(($x1p - $cxp) / $rX, ($y1p - $cyp) / $rY, (-$x1p - $cxp) / $rX, (-$y1p - $cyp) / $rY);
+        $delta = fmod($delta, pi() * 2);
+
+        if (! $this->sweep) {
+            $delta -= 2 * pi();
+        }
+
+        return [$cx, $cy, $rX, $rY, $theta, $delta];
+    }
+
+    private static function angle(float $ux, float $uy, float $vx, float $vy) : float
+    {
+        // F.6.5.4
+        $dot = $ux * $vx + $uy * $vy;
+        $length = sqrt($ux ** 2 + $uy ** 2) * sqrt($vx ** 2 + $vy ** 2);
+        $angle = acos(min(1, max(-1, $dot / $length)));
+
+        if (($ux * $vy - $uy * $vx) < 0) {
+            return -$angle;
+        }
+
+        return $angle;
+    }
+
+    /**
+     * @return float[]
+     */
+    private static function point(
+        float $centerX,
+        float $centerY,
+        float $radiusX,
+        float $radiusY,
+        float $xAngle,
+        float $angle
+    ) : array {
+        return [
+            $centerX + $radiusX * cos($xAngle) * cos($angle) - $radiusY * sin($xAngle) * sin($angle),
+            $centerY + $radiusX * sin($xAngle) * cos($angle) + $radiusY * cos($xAngle) * sin($angle),
+        ];
+    }
+
+    /**
+     * @return float[]
+     */
+    private static function derivative(float $radiusX, float $radiusY, float $xAngle, float $angle) : array
+    {
+        return [
+            -$radiusX * cos($xAngle) * sin($angle) - $radiusY * sin($xAngle) * cos($angle),
+            -$radiusX * sin($xAngle) * sin($angle) + $radiusY * cos($xAngle) * cos($angle),
+        ];
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/Line.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Line.php
new file mode 100755
index 0000000..3149a39
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Line.php
@@ -0,0 +1,41 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+final class Line implements OperationInterface
+{
+    /**
+     * @var float
+     */
+    private $x;
+
+    /**
+     * @var float
+     */
+    private $y;
+
+    public function __construct(float $x, float $y)
+    {
+        $this->x = $x;
+        $this->y = $y;
+    }
+
+    public function getX() : float
+    {
+        return $this->x;
+    }
+
+    public function getY() : float
+    {
+        return $this->y;
+    }
+
+    /**
+     * @return self
+     */
+    public function translate(float $x, float $y) : OperationInterface
+    {
+        return new self($this->x + $x, $this->y + $y);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/Move.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Move.php
new file mode 100755
index 0000000..481d0dd
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Move.php
@@ -0,0 +1,41 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+final class Move implements OperationInterface
+{
+    /**
+     * @var float
+     */
+    private $x;
+
+    /**
+     * @var float
+     */
+    private $y;
+
+    public function __construct(float $x, float $y)
+    {
+        $this->x = $x;
+        $this->y = $y;
+    }
+
+    public function getX() : float
+    {
+        return $this->x;
+    }
+
+    public function getY() : float
+    {
+        return $this->y;
+    }
+
+    /**
+     * @return self
+     */
+    public function translate(float $x, float $y) : OperationInterface
+    {
+        return new self($this->x + $x, $this->y + $y);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/OperationInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/OperationInterface.php
new file mode 100755
index 0000000..a5fa0ed
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/OperationInterface.php
@@ -0,0 +1,12 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+interface OperationInterface
+{
+    /**
+     * Translates the operation's coordinates.
+     */
+    public function translate(float $x, float $y) : self;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/Path/Path.php b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Path.php
new file mode 100755
index 0000000..8e5e298
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/Path/Path.php
@@ -0,0 +1,106 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\Path;
+
+use IteratorAggregate;
+use Traversable;
+
+/**
+ * Internal Representation of a vector path.
+ */
+final class Path implements IteratorAggregate
+{
+    /**
+     * @var OperationInterface[]
+     */
+    private $operations = [];
+
+    /**
+     * Moves the drawing operation to a certain position.
+     */
+    public function move(float $x, float $y) : self
+    {
+        $path = clone $this;
+        $path->operations[] = new Move($x, $y);
+        return $path;
+    }
+
+    /**
+     * Draws a line from the current position to another position.
+     */
+    public function line(float $x, float $y) : self
+    {
+        $path = clone $this;
+        $path->operations[] = new Line($x, $y);
+        return $path;
+    }
+
+    /**
+     * Draws an elliptic arc from the current position to another position.
+     */
+    public function ellipticArc(
+        float $xRadius,
+        float $yRadius,
+        float $xAxisRotation,
+        bool $largeArc,
+        bool $sweep,
+        float $x,
+        float $y
+    ) : self {
+        $path = clone $this;
+        $path->operations[] = new EllipticArc($xRadius, $yRadius, $xAxisRotation, $largeArc, $sweep, $x, $y);
+        return $path;
+    }
+
+    /**
+     * Draws a curve from the current position to another position.
+     */
+    public function curve(float $x1, float $y1, float $x2, float $y2, float $x3, float $y3) : self
+    {
+        $path = clone $this;
+        $path->operations[] = new Curve($x1, $y1, $x2, $y2, $x3, $y3);
+        return $path;
+    }
+
+    /**
+     * Closes a sub-path.
+     */
+    public function close() : self
+    {
+        $path = clone $this;
+        $path->operations[] = Close::instance();
+        return $path;
+    }
+
+    /**
+     * Appends another path to this one.
+     */
+    public function append(self $other) : self
+    {
+        $path = clone $this;
+        $path->operations = array_merge($this->operations, $other->operations);
+        return $path;
+    }
+
+    public function translate(float $x, float $y) : self
+    {
+        $path = new self();
+
+        foreach ($this->operations as $operation) {
+            $path->operations[] = $operation->translate($x, $y);
+        }
+
+        return $path;
+    }
+
+    /**
+     * @return OperationInterface[]|Traversable
+     */
+    public function getIterator() : Traversable
+    {
+        foreach ($this->operations as $operation) {
+            yield $operation;
+        }
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/PlainTextRenderer.php b/vendor/bacon/bacon-qr-code/src/Renderer/PlainTextRenderer.php
new file mode 100755
index 0000000..8aa7652
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/PlainTextRenderer.php
@@ -0,0 +1,86 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer;
+
+use BaconQrCode\Encoder\QrCode;
+use BaconQrCode\Exception\InvalidArgumentException;
+
+final class PlainTextRenderer implements RendererInterface
+{
+    /**
+     * UTF-8 full block (U+2588)
+     */
+    private const FULL_BLOCK = "\xe2\x96\x88";
+
+    /**
+     * UTF-8 upper half block (U+2580)
+     */
+    private const UPPER_HALF_BLOCK = "\xe2\x96\x80";
+
+    /**
+     * UTF-8 lower half block (U+2584)
+     */
+    private const LOWER_HALF_BLOCK = "\xe2\x96\x84";
+
+    /**
+     * UTF-8 no-break space (U+00A0)
+     */
+    private const EMPTY_BLOCK = "\xc2\xa0";
+
+    /**
+     * @var int
+     */
+    private $margin;
+
+    public function __construct(int $margin = 2)
+    {
+        $this->margin = $margin;
+    }
+
+    /**
+     * @throws InvalidArgumentException if matrix width doesn't match height
+     */
+    public function render(QrCode $qrCode) : string
+    {
+        $matrix = $qrCode->getMatrix();
+        $matrixSize = $matrix->getWidth();
+
+        if ($matrixSize !== $matrix->getHeight()) {
+            throw new InvalidArgumentException('Matrix must have the same width and height');
+        }
+
+        $rows = $matrix->getArray()->toArray();
+
+        if (0 !== $matrixSize % 2) {
+            $rows[] = array_fill(0, $matrixSize, 0);
+        }
+
+        $horizontalMargin = str_repeat(self::EMPTY_BLOCK, $this->margin);
+        $result = str_repeat("\n", (int) ceil($this->margin / 2));
+
+        for ($i = 0; $i < $matrixSize; $i += 2) {
+            $result .= $horizontalMargin;
+
+            $upperRow = $rows[$i];
+            $lowerRow = $rows[$i + 1];
+
+            for ($j = 0; $j < $matrixSize; ++$j) {
+                $upperBit = $upperRow[$j];
+                $lowerBit = $lowerRow[$j];
+
+                if ($upperBit) {
+                    $result .= $lowerBit ? self::FULL_BLOCK : self::UPPER_HALF_BLOCK;
+                } else {
+                    $result .= $lowerBit ? self::LOWER_HALF_BLOCK : self::EMPTY_BLOCK;
+                }
+            }
+
+            $result .= $horizontalMargin . "\n";
+        }
+
+        $result .= str_repeat("\n", (int) ceil($this->margin / 2));
+
+        return $result;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererInterface.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererInterface.php
new file mode 100755
index 0000000..b0aae39
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererInterface.php
@@ -0,0 +1,11 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer;
+
+use BaconQrCode\Encoder\QrCode;
+
+interface RendererInterface
+{
+    public function render(QrCode $qrCode) : string;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/EyeFill.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/EyeFill.php
new file mode 100755
index 0000000..46abc22
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/EyeFill.php
@@ -0,0 +1,74 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\RendererStyle;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\ColorInterface;
+
+final class EyeFill
+{
+    /**
+     * @var ColorInterface|null
+     */
+    private $externalColor;
+
+    /**
+     * @var ColorInterface|null
+     */
+    private $internalColor;
+
+    /**
+     * @var self|null
+     */
+    private static $inherit;
+
+    public function __construct(?ColorInterface $externalColor, ?ColorInterface $internalColor)
+    {
+        $this->externalColor = $externalColor;
+        $this->internalColor = $internalColor;
+    }
+
+    public static function uniform(ColorInterface $color) : self
+    {
+        return new self($color, $color);
+    }
+
+    public static function inherit() : self
+    {
+        return self::$inherit ?: self::$inherit = new self(null, null);
+    }
+
+    public function inheritsBothColors() : bool
+    {
+        return null === $this->externalColor && null === $this->internalColor;
+    }
+
+    public function inheritsExternalColor() : bool
+    {
+        return null === $this->externalColor;
+    }
+
+    public function inheritsInternalColor() : bool
+    {
+        return null === $this->internalColor;
+    }
+
+    public function getExternalColor() : ColorInterface
+    {
+        if (null === $this->externalColor) {
+            throw new RuntimeException('External eye color inherits foreground color');
+        }
+
+        return $this->externalColor;
+    }
+
+    public function getInternalColor() : ColorInterface
+    {
+        if (null === $this->internalColor) {
+            throw new RuntimeException('Internal eye color inherits foreground color');
+        }
+
+        return $this->internalColor;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Fill.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Fill.php
new file mode 100755
index 0000000..d54268e
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Fill.php
@@ -0,0 +1,168 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\RendererStyle;
+
+use BaconQrCode\Exception\RuntimeException;
+use BaconQrCode\Renderer\Color\ColorInterface;
+use BaconQrCode\Renderer\Color\Gray;
+
+final class Fill
+{
+    /**
+     * @var ColorInterface
+     */
+    private $backgroundColor;
+
+    /**
+     * @var ColorInterface|null
+     */
+    private $foregroundColor;
+
+    /**
+     * @var Gradient|null
+     */
+    private $foregroundGradient;
+
+    /**
+     * @var EyeFill
+     */
+    private $topLeftEyeFill;
+
+    /**
+     * @var EyeFill
+     */
+    private $topRightEyeFill;
+
+    /**
+     * @var EyeFill
+     */
+    private $bottomLeftEyeFill;
+
+    /**
+     * @var self|null
+     */
+    private static $default;
+
+    private function __construct(
+        ColorInterface $backgroundColor,
+        ?ColorInterface $foregroundColor,
+        ?Gradient $foregroundGradient,
+        EyeFill $topLeftEyeFill,
+        EyeFill $topRightEyeFill,
+        EyeFill $bottomLeftEyeFill
+    ) {
+        $this->backgroundColor = $backgroundColor;
+        $this->foregroundColor = $foregroundColor;
+        $this->foregroundGradient = $foregroundGradient;
+        $this->topLeftEyeFill = $topLeftEyeFill;
+        $this->topRightEyeFill = $topRightEyeFill;
+        $this->bottomLeftEyeFill = $bottomLeftEyeFill;
+    }
+
+    public static function default() : self
+    {
+        return self::$default ?: self::$default = self::uniformColor(new Gray(100), new Gray(0));
+    }
+
+    public static function withForegroundColor(
+        ColorInterface $backgroundColor,
+        ColorInterface $foregroundColor,
+        EyeFill $topLeftEyeFill,
+        EyeFill $topRightEyeFill,
+        EyeFill $bottomLeftEyeFill
+    ) : self {
+        return new self(
+            $backgroundColor,
+            $foregroundColor,
+            null,
+            $topLeftEyeFill,
+            $topRightEyeFill,
+            $bottomLeftEyeFill
+        );
+    }
+
+    public static function withForegroundGradient(
+        ColorInterface $backgroundColor,
+        Gradient $foregroundGradient,
+        EyeFill $topLeftEyeFill,
+        EyeFill $topRightEyeFill,
+        EyeFill $bottomLeftEyeFill
+    ) : self {
+        return new self(
+            $backgroundColor,
+            null,
+            $foregroundGradient,
+            $topLeftEyeFill,
+            $topRightEyeFill,
+            $bottomLeftEyeFill
+        );
+    }
+
+    public static function uniformColor(ColorInterface $backgroundColor, ColorInterface $foregroundColor) : self
+    {
+        return new self(
+            $backgroundColor,
+            $foregroundColor,
+            null,
+            EyeFill::inherit(),
+            EyeFill::inherit(),
+            EyeFill::inherit()
+        );
+    }
+
+    public static function uniformGradient(ColorInterface $backgroundColor, Gradient $foregroundGradient) : self
+    {
+        return new self(
+            $backgroundColor,
+            null,
+            $foregroundGradient,
+            EyeFill::inherit(),
+            EyeFill::inherit(),
+            EyeFill::inherit()
+        );
+    }
+
+    public function hasGradientFill() : bool
+    {
+        return null !== $this->foregroundGradient;
+    }
+
+    public function getBackgroundColor() : ColorInterface
+    {
+        return $this->backgroundColor;
+    }
+
+    public function getForegroundColor() : ColorInterface
+    {
+        if (null === $this->foregroundColor) {
+            throw new RuntimeException('Fill uses a gradient, thus no foreground color is available');
+        }
+
+        return $this->foregroundColor;
+    }
+
+    public function getForegroundGradient() : Gradient
+    {
+        if (null === $this->foregroundGradient) {
+            throw new RuntimeException('Fill uses a single color, thus no foreground gradient is available');
+        }
+
+        return $this->foregroundGradient;
+    }
+
+    public function getTopLeftEyeFill() : EyeFill
+    {
+        return $this->topLeftEyeFill;
+    }
+
+    public function getTopRightEyeFill() : EyeFill
+    {
+        return $this->topRightEyeFill;
+    }
+
+    public function getBottomLeftEyeFill() : EyeFill
+    {
+        return $this->bottomLeftEyeFill;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Gradient.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Gradient.php
new file mode 100755
index 0000000..3813dfd
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/Gradient.php
@@ -0,0 +1,46 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\RendererStyle;
+
+use BaconQrCode\Renderer\Color\ColorInterface;
+
+final class Gradient
+{
+    /**
+     * @var ColorInterface
+     */
+    private $startColor;
+
+    /**
+     * @var ColorInterface
+     */
+    private $endColor;
+
+    /**
+     * @var GradientType
+     */
+    private $type;
+
+    public function __construct(ColorInterface $startColor, ColorInterface $endColor, GradientType $type)
+    {
+        $this->startColor = $startColor;
+        $this->endColor = $endColor;
+        $this->type = $type;
+    }
+
+    public function getStartColor() : ColorInterface
+    {
+        return $this->startColor;
+    }
+
+    public function getEndColor() : ColorInterface
+    {
+        return $this->endColor;
+    }
+
+    public function getType() : GradientType
+    {
+        return $this->type;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/GradientType.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/GradientType.php
new file mode 100755
index 0000000..c1ca754
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/GradientType.php
@@ -0,0 +1,22 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\RendererStyle;
+
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * @method static self VERTICAL()
+ * @method static self HORIZONTAL()
+ * @method static self DIAGONAL()
+ * @method static self INVERSE_DIAGONAL()
+ * @method static self RADIAL()
+ */
+final class GradientType extends AbstractEnum
+{
+    protected const VERTICAL = null;
+    protected const HORIZONTAL = null;
+    protected const DIAGONAL = null;
+    protected const INVERSE_DIAGONAL = null;
+    protected const RADIAL = null;
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/RendererStyle.php b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/RendererStyle.php
new file mode 100755
index 0000000..e03e099
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Renderer/RendererStyle/RendererStyle.php
@@ -0,0 +1,90 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode\Renderer\RendererStyle;
+
+use BaconQrCode\Renderer\Eye\EyeInterface;
+use BaconQrCode\Renderer\Eye\ModuleEye;
+use BaconQrCode\Renderer\Module\ModuleInterface;
+use BaconQrCode\Renderer\Module\SquareModule;
+
+final class RendererStyle
+{
+    /**
+     * @var int
+     */
+    private $size;
+
+    /**
+     * @var int
+     */
+    private $margin;
+
+    /**
+     * @var ModuleInterface
+     */
+    private $module;
+
+    /**
+     * @var EyeInterface|null
+     */
+    private $eye;
+
+    /**
+     * @var Fill
+     */
+    private $fill;
+
+    public function __construct(
+        int $size,
+        int $margin = 4,
+        ?ModuleInterface $module = null,
+        ?EyeInterface $eye = null,
+        ?Fill $fill = null
+    ) {
+        $this->margin = $margin;
+        $this->size = $size;
+        $this->module = $module ?: SquareModule::instance();
+        $this->eye = $eye ?: new ModuleEye($this->module);
+        $this->fill = $fill ?: Fill::default();
+    }
+
+    public function withSize(int $size) : self
+    {
+        $style = clone $this;
+        $style->size = $size;
+        return $style;
+    }
+
+    public function withMargin(int $margin) : self
+    {
+        $style = clone $this;
+        $style->margin = $margin;
+        return $style;
+    }
+
+    public function getSize() : int
+    {
+        return $this->size;
+    }
+
+    public function getMargin() : int
+    {
+        return $this->margin;
+    }
+
+    public function getModule() : ModuleInterface
+    {
+        return $this->module;
+    }
+
+    public function getEye() : EyeInterface
+    {
+        return $this->eye;
+    }
+
+    public function getFill() : Fill
+    {
+        return $this->fill;
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/src/Writer.php b/vendor/bacon/bacon-qr-code/src/Writer.php
new file mode 100755
index 0000000..d5bdc5c
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/src/Writer.php
@@ -0,0 +1,71 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCode;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Version;
+use BaconQrCode\Encoder\Encoder;
+use BaconQrCode\Exception\InvalidArgumentException;
+use BaconQrCode\Renderer\RendererInterface;
+
+/**
+ * QR code writer.
+ */
+final class Writer
+{
+    /**
+     * Renderer instance.
+     *
+     * @var RendererInterface
+     */
+    private $renderer;
+
+    /**
+     * Creates a new writer with a specific renderer.
+     */
+    public function __construct(RendererInterface $renderer)
+    {
+        $this->renderer = $renderer;
+    }
+
+    /**
+     * Writes QR code and returns it as string.
+     *
+     * Content is a string which *should* be encoded in UTF-8, in case there are
+     * non ASCII-characters present.
+     *
+     * @throws InvalidArgumentException if the content is empty
+     */
+    public function writeString(
+        string $content,
+        string $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING,
+        ?ErrorCorrectionLevel $ecLevel = null,
+        ?Version $forcedVersion = null
+    ) : string {
+        if (strlen($content) === 0) {
+            throw new InvalidArgumentException('Found empty contents');
+        }
+
+        if (null === $ecLevel) {
+            $ecLevel = ErrorCorrectionLevel::L();
+        }
+
+        return $this->renderer->render(Encoder::encode($content, $ecLevel, $encoding, $forcedVersion));
+    }
+
+    /**
+     * Writes QR code to a file.
+     *
+     * @see Writer::writeString()
+     */
+    public function writeFile(
+        string $content,
+        string $filename,
+        string $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING,
+        ?ErrorCorrectionLevel $ecLevel = null,
+        ?Version $forcedVersion = null
+    ) : void {
+        file_put_contents($filename, $this->writeString($content, $encoding, $ecLevel, $forcedVersion));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/BitArrayTest.php b/vendor/bacon/bacon-qr-code/test/Common/BitArrayTest.php
new file mode 100755
index 0000000..add798b
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/BitArrayTest.php
@@ -0,0 +1,222 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\BitArray;
+use PHPUnit\Framework\TestCase;
+use PHPUnit\Runner\Version as PHPUnitVersion;
+
+final class BitArrayTest extends TestCase
+{
+    private function getPhpUnitMajorVersion(): int
+    {
+        return (int) explode('.', PHPUnitVersion::id())[0];
+    }
+
+    public function testGetSet() : void
+    {
+        $array = new BitArray(33);
+
+        for ($i = 0; $i < 33; ++$i) {
+            $this->assertFalse($array->get($i));
+            $array->set($i);
+            $this->assertTrue($array->get($i));
+        }
+    }
+
+    public function testGetNextSet1() : void
+    {
+        $array = new BitArray(32);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, 32, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, 32, $array->getNextSet($i));
+            }
+        }
+
+        $array = new BitArray(33);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, 33, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, 33, $array->getNextSet($i));
+            }
+        }
+    }
+
+    public function testGetNextSet2() : void
+    {
+        $array = new BitArray(33);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, $i <= 31 ? 31 : 33, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, $i <= 31 ? 31 : 33, $array->getNextSet($i));
+            }
+        }
+
+        $array = new BitArray(33);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, 32, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, 32, $array->getNextSet($i));
+            }
+        }
+    }
+
+    public function testGetNextSet3() : void
+    {
+        $array = new BitArray(63);
+        $array->set(31);
+        $array->set(32);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($i <= 31) {
+                $expected = 31;
+            } elseif ($i <= 32) {
+                $expected = 32;
+            } else {
+                $expected = 63;
+            }
+
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, $expected, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i));
+            }
+        }
+    }
+
+    public function testGetNextSet4() : void
+    {
+        $array = new BitArray(63);
+        $array->set(33);
+        $array->set(40);
+
+        for ($i = 0; $i < $array->getSize(); ++$i) {
+            if ($i <= 33) {
+                $expected = 33;
+            } elseif ($i <= 40) {
+                $expected = 40;
+            } else {
+                $expected = 63;
+            }
+
+            if ($this->getPhpUnitMajorVersion() === 7) {
+                $this->assertEquals($i, $expected, '', $array->getNextSet($i));
+            } else {
+                $this->assertEqualsWithDelta($i, $expected, $array->getNextSet($i));
+            }
+        }
+    }
+
+    public function testGetNextSet5() : void
+    {
+        mt_srand(0xdeadbeef, MT_RAND_PHP);
+
+        for ($i = 0; $i < 10; ++$i) {
+            $array = new BitArray(mt_rand(1, 100));
+            $numSet = mt_rand(0, 19);
+
+            for ($j = 0; $j < $numSet; ++$j) {
+                $array->set(mt_rand(0, $array->getSize() - 1));
+            }
+
+            $numQueries = mt_rand(0, 19);
+
+            for ($j = 0; $j < $numQueries; ++$j) {
+                $query = mt_rand(0, $array->getSize() - 1);
+                $expected = $query;
+
+                while ($expected < $array->getSize() && ! $array->get($expected)) {
+                    ++$expected;
+                }
+
+                $actual = $array->getNextSet($query);
+
+                if ($actual !== $expected) {
+                    $array->getNextSet($query);
+                }
+
+                $this->assertEquals($expected, $actual);
+            }
+        }
+    }
+
+    public function testSetBulk() : void
+    {
+        $array = new BitArray(64);
+        $array->setBulk(32, 0xFFFF0000);
+
+        for ($i = 0; $i < 48; ++$i) {
+            $this->assertFalse($array->get($i));
+        }
+
+        for ($i = 48; $i < 64; ++$i) {
+            $this->assertTrue($array->get($i));
+        }
+    }
+
+    public function testClear() : void
+    {
+        $array = new BitArray(32);
+
+        for ($i = 0; $i < 32; ++$i) {
+            $array->set($i);
+        }
+
+        $array->clear();
+
+        for ($i = 0; $i < 32; ++$i) {
+            $this->assertFalse($array->get($i));
+        }
+    }
+
+    public function testGetArray() : void
+    {
+        $array = new BitArray(64);
+        $array->set(0);
+        $array->set(63);
+
+        $ints = $array->getBitArray();
+
+        $this->assertSame(1, $ints[0]);
+        $this->assertSame(0x80000000, $ints[1]);
+    }
+
+    public function testIsRange() : void
+    {
+        $array = new BitArray(64);
+        $this->assertTrue($array->isRange(0, 64, false));
+        $this->assertFalse($array->isRange(0, 64, true));
+
+        $array->set(32);
+        $this->assertTrue($array->isRange(32, 33, true));
+
+        $array->set(31);
+        $this->assertTrue($array->isRange(31, 33, true));
+
+        $array->set(34);
+        $this->assertFalse($array->isRange(31, 35, true));
+
+        for ($i = 0; $i < 31; ++$i) {
+            $array->set($i);
+        }
+
+        $this->assertTrue($array->isRange(0, 33, true));
+
+        for ($i = 33; $i < 64; ++$i) {
+            $array->set($i);
+        }
+
+        $this->assertTrue($array->isRange(0, 64, true));
+        $this->assertFalse($array->isRange(0, 64, false));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php b/vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php
new file mode 100755
index 0000000..8ad86d4
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/BitMatrixTest.php
@@ -0,0 +1,115 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\BitArray;
+use BaconQrCode\Common\BitMatrix;
+use PHPUnit\Framework\TestCase;
+
+class BitMatrixTest extends TestCase
+{
+    public function testGetSet() : void
+    {
+        $matrix = new BitMatrix(33);
+        $this->assertEquals(33, $matrix->getHeight());
+
+        for ($y = 0; $y < 33; ++$y) {
+            for ($x = 0; $x < 33; ++$x) {
+                if ($y * $x % 3 === 0) {
+                    $matrix->set($x, $y);
+                }
+            }
+        }
+
+        for ($y = 0; $y < 33; $y++) {
+            for ($x = 0; $x < 33; ++$x) {
+                $this->assertSame(0 === $x * $y % 3, $matrix->get($x, $y));
+            }
+        }
+    }
+
+    public function testSetRegion() : void
+    {
+        $matrix = new BitMatrix(5);
+        $matrix->setRegion(1, 1, 3, 3);
+
+        for ($y = 0; $y < 5; ++$y) {
+            for ($x = 0; $x < 5; ++$x) {
+                $this->assertSame($y >= 1 && $y <= 3 && $x >= 1 && $x <= 3, $matrix->get($x, $y));
+            }
+        }
+    }
+
+    public function testRectangularMatrix() : void
+    {
+        $matrix = new BitMatrix(75, 20);
+        $this->assertSame(75, $matrix->getWidth());
+        $this->assertSame(20, $matrix->getHeight());
+
+        $matrix->set(10, 0);
+        $matrix->set(11, 1);
+        $matrix->set(50, 2);
+        $matrix->set(51, 3);
+        $matrix->flip(74, 4);
+        $matrix->flip(0, 5);
+
+        $this->assertTrue($matrix->get(10, 0));
+        $this->assertTrue($matrix->get(11, 1));
+        $this->assertTrue($matrix->get(50, 2));
+        $this->assertTrue($matrix->get(51, 3));
+        $this->assertTrue($matrix->get(74, 4));
+        $this->assertTrue($matrix->get(0, 5));
+
+        $matrix->flip(50, 2);
+        $matrix->flip(51, 3);
+
+        $this->assertFalse($matrix->get(50, 2));
+        $this->assertFalse($matrix->get(51, 3));
+    }
+
+    public function testRectangularSetRegion() : void
+    {
+        $matrix = new BitMatrix(320, 240);
+        $this->assertSame(320, $matrix->getWidth());
+        $this->assertSame(240, $matrix->getHeight());
+
+        $matrix->setRegion(105, 22, 80, 12);
+
+        for ($y = 0; $y < 240; ++$y) {
+            for ($x = 0; $x < 320; ++$x) {
+                $this->assertEquals($y >= 22 && $y < 34 && $x >= 105 && $x < 185, $matrix->get($x, $y));
+            }
+        }
+    }
+
+    public function testGetRow() : void
+    {
+        $matrix = new BitMatrix(102, 5);
+
+        for ($x = 0; $x < 102; ++$x) {
+            if (0 === ($x & 3)) {
+                $matrix->set($x, 2);
+            }
+        }
+
+        $array1 = $matrix->getRow(2, null);
+        $this->assertSame(102, $array1->getSize());
+
+        $array2 = new BitArray(60);
+        $array2 = $matrix->getRow(2, $array2);
+        $this->assertSame(102, $array2->getSize());
+
+        $array3 = new BitArray(200);
+        $array3 = $matrix->getRow(2, $array3);
+        $this->assertSame(200, $array3->getSize());
+
+        for ($x = 0; $x < 102; ++$x) {
+            $on = (0 === ($x & 3));
+
+            $this->assertSame($on, $array1->get($x));
+            $this->assertSame($on, $array2->get($x));
+            $this->assertSame($on, $array3->get($x));
+        }
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/BitUtilsTest.php b/vendor/bacon/bacon-qr-code/test/Common/BitUtilsTest.php
new file mode 100755
index 0000000..2904d31
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/BitUtilsTest.php
@@ -0,0 +1,25 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\BitUtils;
+use PHPUnit\Framework\TestCase;
+
+class BitUtilsTest extends TestCase
+{
+    public function testUnsignedRightShift() : void
+    {
+        $this->assertSame(1, BitUtils::unsignedRightShift(1, 0));
+        $this->assertSame(1, BitUtils::unsignedRightShift(10, 3));
+        $this->assertSame(536870910, BitUtils::unsignedRightShift(-10, 3));
+    }
+
+    public function testNumberOfTrailingZeros() : void
+    {
+        $this->assertSame(32, BitUtils::numberOfTrailingZeros(0));
+        $this->assertSame(1, BitUtils::numberOfTrailingZeros(10));
+        $this->assertSame(0, BitUtils::numberOfTrailingZeros(15));
+        $this->assertSame(2, BitUtils::numberOfTrailingZeros(20));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/ErrorCorrectionLevelTest.php b/vendor/bacon/bacon-qr-code/test/Common/ErrorCorrectionLevelTest.php
new file mode 100755
index 0000000..369b5d9
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/ErrorCorrectionLevelTest.php
@@ -0,0 +1,25 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Exception\OutOfBoundsException;
+use PHPUnit\Framework\TestCase;
+
+class ErrorCorrectionLevelTest extends TestCase
+{
+    public function testBitsMatchConstants() : void
+    {
+        $this->assertSame(0x0, ErrorCorrectionLevel::M()->getBits());
+        $this->assertSame(0x1, ErrorCorrectionLevel::L()->getBits());
+        $this->assertSame(0x2, ErrorCorrectionLevel::H()->getBits());
+        $this->assertSame(0x3, ErrorCorrectionLevel::Q()->getBits());
+    }
+
+    public function testInvalidErrorCorrectionLevelThrowsException() : void
+    {
+        $this->expectException(OutOfBoundsException::class);
+        ErrorCorrectionLevel::forBits(4);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/FormatInformationTest.php b/vendor/bacon/bacon-qr-code/test/Common/FormatInformationTest.php
new file mode 100755
index 0000000..39534a2
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/FormatInformationTest.php
@@ -0,0 +1,94 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\FormatInformation;
+use PHPUnit\Framework\TestCase;
+
+class FormatInformationTest extends TestCase
+{
+    private const MASKED_TEST_FORMAT_INFO = 0x2bed;
+    private const UNMAKSED_TEST_FORMAT_INFO = self::MASKED_TEST_FORMAT_INFO ^ 0x5412;
+
+    public function testBitsDiffering() : void
+    {
+        $this->assertSame(0, FormatInformation::numBitsDiffering(1, 1));
+        $this->assertSame(1, FormatInformation::numBitsDiffering(0, 2));
+        $this->assertSame(2, FormatInformation::numBitsDiffering(1, 2));
+        $this->assertEquals(32, FormatInformation::numBitsDiffering(-1, 0));
+    }
+
+    public function testDecode() : void
+    {
+        $expected = FormatInformation::decodeFormatInformation(
+            self::MASKED_TEST_FORMAT_INFO,
+            self::MASKED_TEST_FORMAT_INFO
+        );
+
+        $this->assertNotNull($expected);
+        $this->assertSame(7, $expected->getDataMask());
+        $this->assertSame(ErrorCorrectionLevel::Q(), $expected->getErrorCorrectionLevel());
+
+        $this->assertEquals(
+            $expected,
+            FormatInformation::decodeFormatInformation(
+                self::UNMAKSED_TEST_FORMAT_INFO,
+                self::MASKED_TEST_FORMAT_INFO
+            )
+        );
+    }
+
+    public function testDecodeWithBitDifference() : void
+    {
+        $expected = FormatInformation::decodeFormatInformation(
+            self::MASKED_TEST_FORMAT_INFO,
+            self::MASKED_TEST_FORMAT_INFO
+        );
+
+        $this->assertEquals(
+            $expected,
+            FormatInformation::decodeFormatInformation(
+                self::MASKED_TEST_FORMAT_INFO ^ 0x1,
+                self::MASKED_TEST_FORMAT_INFO ^ 0x1
+            )
+        );
+        $this->assertEquals(
+            $expected,
+            FormatInformation::decodeFormatInformation(
+                self::MASKED_TEST_FORMAT_INFO ^ 0x3,
+                self::MASKED_TEST_FORMAT_INFO ^ 0x3
+            )
+        );
+        $this->assertEquals(
+            $expected,
+            FormatInformation::decodeFormatInformation(
+                self::MASKED_TEST_FORMAT_INFO ^ 0x7,
+                self::MASKED_TEST_FORMAT_INFO ^ 0x7
+            )
+        );
+        $this->assertNull(
+            FormatInformation::decodeFormatInformation(
+                self::MASKED_TEST_FORMAT_INFO ^ 0xf,
+                self::MASKED_TEST_FORMAT_INFO ^ 0xf
+            )
+        );
+    }
+
+    public function testDecodeWithMisRead() : void
+    {
+        $expected = FormatInformation::decodeFormatInformation(
+            self::MASKED_TEST_FORMAT_INFO,
+            self::MASKED_TEST_FORMAT_INFO
+        );
+
+        $this->assertEquals(
+            $expected,
+            FormatInformation::decodeFormatInformation(
+                self::MASKED_TEST_FORMAT_INFO ^ 0x3,
+                self::MASKED_TEST_FORMAT_INFO ^ 0xf
+            )
+        );
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/ModeTest.php b/vendor/bacon/bacon-qr-code/test/Common/ModeTest.php
new file mode 100755
index 0000000..51fcb3e
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/ModeTest.php
@@ -0,0 +1,19 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\Mode;
+use PHPUnit\Framework\TestCase;
+
+class ModeTest extends TestCase
+{
+    public function testBitsMatchConstants() : void
+    {
+        $this->assertSame(0x0, Mode::TERMINATOR()->getBits());
+        $this->assertSame(0x1, Mode::NUMERIC()->getBits());
+        $this->assertSame(0x2, Mode::ALPHANUMERIC()->getBits());
+        $this->assertSame(0x4, Mode::BYTE()->getBits());
+        $this->assertSame(0x8, Mode::KANJI()->getBits());
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/ReedSolomonCodecTest.php b/vendor/bacon/bacon-qr-code/test/Common/ReedSolomonCodecTest.php
new file mode 100755
index 0000000..47975b5
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/ReedSolomonCodecTest.php
@@ -0,0 +1,96 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\ReedSolomonCodec;
+use PHPUnit\Framework\TestCase;
+use SplFixedArray;
+
+class ReedSolomonTest extends TestCase
+{
+    public function tabs() : array
+    {
+        return [
+            [2, 0x7, 1, 1, 1],
+            [3, 0xb, 1, 1, 2],
+            [4, 0x13, 1, 1, 4],
+            [5, 0x25, 1, 1, 6],
+            [6, 0x43, 1, 1, 8],
+            [7, 0x89, 1, 1, 10],
+            [8, 0x11d, 1, 1, 32],
+        ];
+    }
+
+    /**
+     * @dataProvider tabs
+     */
+    public function testCodec(int $symbolSize, int $generatorPoly, int $firstRoot, int $primitive, int $numRoots) : void
+    {
+        mt_srand(0xdeadbeef, MT_RAND_PHP);
+
+        $blockSize = (1 << $symbolSize) - 1;
+        $dataSize  = $blockSize - $numRoots;
+        $codec     = new ReedSolomonCodec($symbolSize, $generatorPoly, $firstRoot, $primitive, $numRoots, 0);
+
+        for ($errors = 0; $errors <= $numRoots / 2; ++$errors) {
+            // Load block with random data and encode
+            $block = SplFixedArray::fromArray(array_fill(0, $blockSize, 0), false);
+
+            for ($i = 0; $i < $dataSize; ++$i) {
+                $block[$i] = mt_rand(0, $blockSize);
+            }
+
+            // Make temporary copy
+            $tBlock = clone $block;
+            $parity = SplFixedArray::fromArray(array_fill(0, $numRoots, 0), false);
+            $errorLocations = SplFixedArray::fromArray(array_fill(0, $blockSize, 0), false);
+            $erasures = [];
+
+            // Create parity
+            $codec->encode($block, $parity);
+
+            // Copy parity into test blocks
+            for ($i = 0; $i < $numRoots; ++$i) {
+                $block[$i + $dataSize] = $parity[$i];
+                $tBlock[$i + $dataSize] = $parity[$i];
+            }
+
+            // Seed with errors
+            for ($i = 0; $i < $errors; ++$i) {
+                $errorValue = mt_rand(1, $blockSize);
+
+                do {
+                    $errorLocation = mt_rand(0, $blockSize);
+                } while (0 !== $errorLocations[$errorLocation]);
+
+                $errorLocations[$errorLocation] = 1;
+
+                if (mt_rand(0, 1)) {
+                    $erasures[] = $errorLocation;
+                }
+
+                $tBlock[$errorLocation] ^= $errorValue;
+            }
+
+            $erasures = SplFixedArray::fromArray($erasures, false);
+
+            // Decode the errored block
+            $foundErrors = $codec->decode($tBlock, $erasures);
+
+            if ($errors > 0 && null === $foundErrors) {
+                $this->assertSame($block, $tBlock, 'Decoder failed to correct errors');
+            }
+
+            $this->assertSame($errors, $foundErrors, 'Found errors do not equal expected errors');
+
+            for ($i = 0; $i < $foundErrors; ++$i) {
+                if (0 === $errorLocations[$erasures[$i]]) {
+                    $this->fail(sprintf('Decoder indicates error in location %d without error', $erasures[$i]));
+                }
+            }
+
+            $this->assertEquals($block, $tBlock, 'Decoder did not correct errors');
+        }
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Common/VersionTest.php b/vendor/bacon/bacon-qr-code/test/Common/VersionTest.php
new file mode 100755
index 0000000..f6f038b
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Common/VersionTest.php
@@ -0,0 +1,78 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Common;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Version;
+use PHPUnit\Framework\TestCase;
+
+class VersionTest extends TestCase
+{
+    public function versions() : array
+    {
+        $array = [];
+
+        for ($i = 1; $i <= 40; ++$i) {
+            $array[] = [$i, 4 * $i + 17];
+        }
+
+        return $array;
+    }
+
+    public function decodeInformation() : array
+    {
+        return [
+            [7, 0x07c94],
+            [12, 0x0c762],
+            [17, 0x1145d],
+            [22, 0x168c9],
+            [27, 0x1b08e],
+            [32, 0x209d5],
+        ];
+    }
+
+    /**
+     * @dataProvider versions
+     */
+    public function testVersionForNumber(int $versionNumber, int $dimension) : void
+    {
+        $version = Version::getVersionForNumber($versionNumber);
+
+        $this->assertNotNull($version);
+        $this->assertEquals($versionNumber, $version->getVersionNumber());
+        $this->assertNotNull($version->getAlignmentPatternCenters());
+
+        if ($versionNumber > 1) {
+            $this->assertTrue(count($version->getAlignmentPatternCenters()) > 0);
+        }
+
+        $this->assertEquals($dimension, $version->getDimensionForVersion());
+        $this->assertNotNull($version->getEcBlocksForLevel(ErrorCorrectionLevel::H()));
+        $this->assertNotNull($version->getEcBlocksForLevel(ErrorCorrectionLevel::L()));
+        $this->assertNotNull($version->getEcBlocksForLevel(ErrorCorrectionLevel::M()));
+        $this->assertNotNull($version->getEcBlocksForLevel(ErrorCorrectionLevel::Q()));
+        $this->assertNotNull($version->buildFunctionPattern());
+    }
+
+    /**
+     * @dataProvider versions
+     */
+    public function testGetProvisionalVersionForDimension(int $versionNumber, int $dimension) : void
+    {
+        $this->assertSame(
+            $versionNumber,
+            Version::getProvisionalVersionForDimension($dimension)->getVersionNumber()
+        );
+    }
+
+    /**
+     * @dataProvider decodeInformation
+     */
+    public function testDecodeVersionInformation(int $expectedVersion, int $mask) : void
+    {
+        $version = Version::decodeVersionInformation($mask);
+        $this->assertNotNull($version);
+        $this->assertSame($expectedVersion, $version->getVersionNumber());
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Encoder/EncoderTest.php b/vendor/bacon/bacon-qr-code/test/Encoder/EncoderTest.php
new file mode 100755
index 0000000..9baa66b
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Encoder/EncoderTest.php
@@ -0,0 +1,487 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Encoder;
+
+use BaconQrCode\Common\BitArray;
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Mode;
+use BaconQrCode\Common\Version;
+use BaconQrCode\Encoder\Encoder;
+use BaconQrCode\Exception\WriterException;
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+use ReflectionMethod;
+use SplFixedArray;
+
+final class EncoderTest extends TestCase
+{
+    /**
+     * @var ReflectionMethod[]
+     */
+    protected $methods = [];
+
+    public function setUp() : void
+    {
+        // Hack to be able to test protected methods
+        $reflection = new ReflectionClass(Encoder::class);
+
+        foreach ($reflection->getMethods(ReflectionMethod::IS_STATIC) as $method) {
+            $method->setAccessible(true);
+            $this->methods[$method->getName()] = $method;
+        }
+    }
+
+    public function testGetAlphanumericCode() : void
+    {
+        // The first ten code points are numbers.
+        for ($i = 0; $i < 10; ++$i) {
+            $this->assertSame($i, $this->methods['getAlphanumericCode']->invoke(null, ord('0') + $i));
+        }
+
+        // The next 26 code points are capital alphabet letters.
+        for ($i = 10; $i < 36; ++$i) {
+            // The first ten code points are numbers
+            $this->assertSame($i, $this->methods['getAlphanumericCode']->invoke(null, ord('A') + $i - 10));
+        }
+
+        // Others are symbol letters.
+        $this->assertSame(36, $this->methods['getAlphanumericCode']->invoke(null, ord(' ')));
+        $this->assertSame(37, $this->methods['getAlphanumericCode']->invoke(null, ord('$')));
+        $this->assertSame(38, $this->methods['getAlphanumericCode']->invoke(null, ord('%')));
+        $this->assertSame(39, $this->methods['getAlphanumericCode']->invoke(null, ord('*')));
+        $this->assertSame(40, $this->methods['getAlphanumericCode']->invoke(null, ord('+')));
+        $this->assertSame(41, $this->methods['getAlphanumericCode']->invoke(null, ord('-')));
+        $this->assertSame(42, $this->methods['getAlphanumericCode']->invoke(null, ord('.')));
+        $this->assertSame(43, $this->methods['getAlphanumericCode']->invoke(null, ord('/')));
+        $this->assertSame(44, $this->methods['getAlphanumericCode']->invoke(null, ord(':')));
+
+        // Should return -1 for other letters.
+        $this->assertSame(-1, $this->methods['getAlphanumericCode']->invoke(null, ord('a')));
+        $this->assertSame(-1, $this->methods['getAlphanumericCode']->invoke(null, ord('#')));
+        $this->assertSame(-1, $this->methods['getAlphanumericCode']->invoke(null, ord("\0")));
+    }
+
+    public function testChooseMode() : void
+    {
+        // Numeric mode
+        $this->assertSame(Mode::NUMERIC(), $this->methods['chooseMode']->invoke(null, '0'));
+        $this->assertSame(Mode::NUMERIC(), $this->methods['chooseMode']->invoke(null, '0123456789'));
+
+        // Alphanumeric mode
+        $this->assertSame(Mode::ALPHANUMERIC(), $this->methods['chooseMode']->invoke(null, 'A'));
+        $this->assertSame(
+            Mode::ALPHANUMERIC(),
+            $this->methods['chooseMode']->invoke(null, '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:')
+        );
+
+        // 8-bit byte mode
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, 'a'));
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, '#'));
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, ''));
+
+        // AIUE in Hiragana in SHIFT-JIS
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, "\x8\xa\x8\xa\x8\xa\x8\xa6"));
+
+        // Nihon in Kanji in SHIFT-JIS
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, "\x9\xf\x9\x7b"));
+
+        // Sou-Utso-Byou in Kanji in SHIFT-JIS
+        $this->assertSame(Mode::BYTE(), $this->methods['chooseMode']->invoke(null, "\xe\x4\x9\x5\x9\x61"));
+    }
+
+    public function testEncode() : void
+    {
+        $qrCode = Encoder::encode('ABCDEF', ErrorCorrectionLevel::H());
+        $expected = "<<\n"
+            . " mode: ALPHANUMERIC\n"
+            . " ecLevel: H\n"
+            . " version: 1\n"
+            . " maskPattern: 0\n"
+            . " matrix:\n"
+            . " 1 1 1 1 1 1 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1\n"
+            . " 1 0 0 0 0 0 1 0 0 1 1 1 0 0 1 0 0 0 0 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 1 1 1 0 1 0 1 0 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1\n"
+            . " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 1\n"
+            . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+            . " 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0\n"
+            . " 0 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 0 1 0 0 1\n"
+            . " 1 0 1 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0\n"
+            . " 0 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 1 0 1 1 0\n"
+            . " 1 1 0 1 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 1 0\n"
+            . " 0 0 1 1 0 1 1 1 1 0 0 0 1 0 1 0 1 1 1 1 0\n"
+            . " 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 1 0 1 0 0 0\n"
+            . " 1 1 1 1 1 1 1 0 0 0 1 0 1 0 1 1 0 0 0 0 1\n"
+            . " 1 0 0 0 0 0 1 0 1 1 1 1 0 1 0 1 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 0 1 0\n"
+            . " 1 0 1 1 1 0 1 0 1 0 0 0 1 0 1 0 1 1 1 0 1\n"
+            . " 1 0 0 0 0 0 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1\n"
+            . " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1\n"
+            . ">>\n";
+
+        $this->assertSame($expected, (string) $qrCode);
+    }
+
+    public function testSimpleUtf8Eci() : void
+    {
+        $qrCode = Encoder::encode('hello', ErrorCorrectionLevel::H(), 'utf-8');
+        $expected = "<<\n"
+            . " mode: BYTE\n"
+            . " ecLevel: H\n"
+            . " version: 1\n"
+            . " maskPattern: 3\n"
+            . " matrix:\n"
+            . " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1\n"
+            . " 1 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 0 1 0 0 1 0 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 1 0 1 0 1 0 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1\n"
+            . " 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1\n"
+            . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+            . " 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0\n"
+            . " 0 0 1 1 0 0 1 1 1 1 0 0 0 1 1 0 1 0 0 0 0\n"
+            . " 0 0 1 1 1 0 0 0 0 0 1 1 0 0 0 1 0 1 1 1 0\n"
+            . " 0 1 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 1 1 1 1\n"
+            . " 1 1 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 0 1 1 0\n"
+            . " 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 1 0 0 1 0 0\n"
+            . " 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 1 0 0 0 1\n"
+            . " 1 1 1 1 1 1 1 0 1 1 1 0 1 0 1 1 0 0 1 0 0\n"
+            . " 1 0 0 0 0 0 1 0 0 0 1 0 0 1 1 1 1 1 1 0 1\n"
+            . " 1 0 1 1 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0\n"
+            . " 1 0 1 1 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 0 0\n"
+            . " 1 0 1 1 1 0 1 0 1 1 0 0 0 1 0 0 1 0 0 0 0\n"
+            . " 1 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1 0 1 1 0\n"
+            . " 1 1 1 1 1 1 1 0 0 1 0 1 1 1 0 1 1 0 0 0 0\n"
+            . ">>\n";
+
+        $this->assertSame($expected, (string) $qrCode);
+    }
+
+    public function testAppendModeInfo() : void
+    {
+        $bits = new BitArray();
+        $this->methods['appendModeInfo']->invoke(null, Mode::NUMERIC(), $bits);
+        $this->assertSame(' ...X', (string) $bits);
+    }
+
+    public function testAppendLengthInfo() : void
+    {
+        // 1 letter (1/1), 10 bits.
+        $bits = new BitArray();
+        $this->methods['appendLengthInfo']->invoke(
+            null,
+            1,
+            Version::getVersionForNumber(1),
+            Mode::NUMERIC(),
+            $bits
+        );
+        $this->assertSame(' ........ .X', (string) $bits);
+
+        // 2 letters (2/1), 11 bits.
+        $bits = new BitArray();
+        $this->methods['appendLengthInfo']->invoke(
+            null,
+            2,
+            Version::getVersionForNumber(10),
+            Mode::ALPHANUMERIC(),
+            $bits
+        );
+        $this->assertSame(' ........ .X.', (string) $bits);
+
+        // 255 letters (255/1), 16 bits.
+        $bits = new BitArray();
+        $this->methods['appendLengthInfo']->invoke(
+            null,
+            255,
+            Version::getVersionForNumber(27),
+            Mode::BYTE(),
+            $bits
+        );
+        $this->assertSame(' ........ XXXXXXXX', (string) $bits);
+
+        // 512 letters (1024/2), 12 bits.
+        $bits = new BitArray();
+        $this->methods['appendLengthInfo']->invoke(
+            null,
+            512,
+            Version::getVersionForNumber(40),
+            Mode::KANJI(),
+            $bits
+        );
+        $this->assertSame(' ..X..... ....', (string) $bits);
+    }
+
+    public function testAppendBytes() : void
+    {
+        // Should use appendNumericBytes.
+        // 1 = 01 = 0001 in 4 bits.
+        $bits = new BitArray();
+        $this->methods['appendBytes']->invoke(
+            null,
+            '1',
+            Mode::NUMERIC(),
+            $bits,
+            Encoder::DEFAULT_BYTE_MODE_ECODING
+        );
+        $this->assertSame(' ...X', (string) $bits);
+
+        // Should use appendAlphaNumericBytes.
+        // A = 10 = 0xa = 001010 in 6 bits.
+        $bits = new BitArray();
+        $this->methods['appendBytes']->invoke(
+            null,
+            'A',
+            Mode::ALPHANUMERIC(),
+            $bits,
+            Encoder::DEFAULT_BYTE_MODE_ECODING
+        );
+        $this->assertSame(' ..X.X.', (string) $bits);
+
+        // Should use append8BitBytes.
+        // 0x61, 0x62, 0x63
+        $bits = new BitArray();
+        $this->methods['appendBytes']->invoke(
+            null,
+            'abc',
+            Mode::BYTE(),
+            $bits,
+            Encoder::DEFAULT_BYTE_MODE_ECODING
+        );
+        $this->assertSame(' .XX....X .XX...X. .XX...XX', (string) $bits);
+
+        // Should use appendKanjiBytes.
+        // 0x93, 0x5f
+        $bits = new BitArray();
+        $this->methods['appendBytes']->invoke(
+            null,
+            "\x93\x5f",
+            Mode::KANJI(),
+            $bits,
+            Encoder::DEFAULT_BYTE_MODE_ECODING
+        );
+        $this->assertSame(' .XX.XX.. XXXXX', (string) $bits);
+
+        // Lower letters such as 'a' cannot be encoded in alphanumeric mode.
+        $this->expectException(WriterException::class);
+        $this->methods['appendBytes']->invoke(
+            null,
+            'a',
+            Mode::ALPHANUMERIC(),
+            $bits,
+            Encoder::DEFAULT_BYTE_MODE_ECODING
+        );
+    }
+
+    public function testTerminateBits() : void
+    {
+        $bits = new BitArray();
+        $this->methods['terminateBits']->invoke(null, 0, $bits);
+        $this->assertSame('', (string) $bits);
+
+        $bits = new BitArray();
+        $this->methods['terminateBits']->invoke(null, 1, $bits);
+        $this->assertSame(' ........', (string) $bits);
+
+        $bits = new BitArray();
+        $bits->appendBits(0, 3);
+        $this->methods['terminateBits']->invoke(null, 1, $bits);
+        $this->assertSame(' ........', (string) $bits);
+
+        $bits = new BitArray();
+        $bits->appendBits(0, 5);
+        $this->methods['terminateBits']->invoke(null, 1, $bits);
+        $this->assertSame(' ........', (string) $bits);
+
+        $bits = new BitArray();
+        $bits->appendBits(0, 8);
+        $this->methods['terminateBits']->invoke(null, 1, $bits);
+        $this->assertSame(' ........', (string) $bits);
+
+        $bits = new BitArray();
+        $this->methods['terminateBits']->invoke(null, 2, $bits);
+        $this->assertSame(' ........ XXX.XX..', (string) $bits);
+
+        $bits = new BitArray();
+        $bits->appendBits(0, 1);
+        $this->methods['terminateBits']->invoke(null, 3, $bits);
+        $this->assertSame(' ........ XXX.XX.. ...X...X', (string) $bits);
+    }
+
+    public function testGetNumDataBytesAndNumEcBytesForBlockId() : void
+    {
+        // Version 1-H.
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 26, 9, 1, 0);
+        $this->assertSame(9, $numDataBytes);
+        $this->assertSame(17, $numEcBytes);
+
+        // Version 3-H.  2 blocks.
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 70, 26, 2, 0);
+        $this->assertSame(13, $numDataBytes);
+        $this->assertSame(22, $numEcBytes);
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 70, 26, 2, 1);
+        $this->assertSame(13, $numDataBytes);
+        $this->assertSame(22, $numEcBytes);
+
+        // Version 7-H. (4 + 1) blocks.
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 196, 66, 5, 0);
+        $this->assertSame(13, $numDataBytes);
+        $this->assertSame(26, $numEcBytes);
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 196, 66, 5, 4);
+        $this->assertSame(14, $numDataBytes);
+        $this->assertSame(26, $numEcBytes);
+
+        // Version 40-H. (20 + 61) blocks.
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 3706, 1276, 81, 0);
+        $this->assertSame(15, $numDataBytes);
+        $this->assertSame(30, $numEcBytes);
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 3706, 1276, 81, 20);
+        $this->assertSame(16, $numDataBytes);
+        $this->assertSame(30, $numEcBytes);
+        list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']
+            ->invoke(null, 3706, 1276, 81, 80);
+        $this->assertSame(16, $numDataBytes);
+        $this->assertSame(30, $numEcBytes);
+    }
+
+    public function testInterleaveWithEcBytes() : void
+    {
+        $dataBytes = SplFixedArray::fromArray([32, 65, 205, 69, 41, 220, 46, 128, 236], false);
+        $in        = new BitArray();
+
+        foreach ($dataBytes as $dataByte) {
+            $in->appendBits($dataByte, 8);
+        }
+
+        $outBits  = $this->methods['interleaveWithEcBytes']->invoke(null, $in, 26, 9, 1);
+        $expected = SplFixedArray::fromArray([
+            // Data bytes.
+            32, 65, 205, 69, 41, 220, 46, 128, 236,
+            // Error correction bytes.
+            42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61,
+        ], false);
+
+        $out = $outBits->toBytes(0, count($expected));
+
+        $this->assertEquals($expected, $out);
+    }
+
+    public function testAppendNumericBytes() : void
+    {
+        // 1 = 01 = 0001 in 4 bits.
+        $bits = new BitArray();
+        $this->methods['appendNumericBytes']->invoke(null, '1', $bits);
+        $this->assertSame(' ...X', (string) $bits);
+
+        // 12 = 0xc = 0001100 in 7 bits.
+        $bits = new BitArray();
+        $this->methods['appendNumericBytes']->invoke(null, '12', $bits);
+        $this->assertSame(' ...XX..', (string) $bits);
+
+        // 123 = 0x7b = 0001111011 in 10 bits.
+        $bits = new BitArray();
+        $this->methods['appendNumericBytes']->invoke(null, '123', $bits);
+        $this->assertSame(' ...XXXX. XX', (string) $bits);
+
+        // 1234 = "123" + "4" = 0001111011 + 0100 in 14 bits.
+        $bits = new BitArray();
+        $this->methods['appendNumericBytes']->invoke(null, '1234', $bits);
+        $this->assertSame(' ...XXXX. XX.X..', (string) $bits);
+
+        // Empty
+        $bits = new BitArray();
+        $this->methods['appendNumericBytes']->invoke(null, '', $bits);
+        $this->assertSame('', (string) $bits);
+    }
+
+    public function testAppendAlphanumericBytes() : void
+    {
+        $bits = new BitArray();
+        $this->methods['appendAlphanumericBytes']->invoke(null, 'A', $bits);
+        $this->assertSame(' ..X.X.', (string) $bits);
+
+        $bits = new BitArray();
+        $this->methods['appendAlphanumericBytes']->invoke(null, 'AB', $bits);
+        $this->assertSame(' ..XXX..X X.X', (string) $bits);
+
+        $bits = new BitArray();
+        $this->methods['appendAlphanumericBytes']->invoke(null, 'ABC', $bits);
+        $this->assertSame(' ..XXX..X X.X..XX. .', (string) $bits);
+
+        // Empty
+        $bits = new BitArray();
+        $this->methods['appendAlphanumericBytes']->invoke(null, '', $bits);
+        $this->assertSame('', (string) $bits);
+
+        // Invalid data
+        $this->expectException(WriterException::class);
+        $bits = new BitArray();
+        $this->methods['appendAlphanumericBytes']->invoke(null, 'abc', $bits);
+    }
+
+    public function testAppend8BitBytes() : void
+    {
+        // 0x61, 0x62, 0x63
+        $bits = new BitArray();
+        $this->methods['append8BitBytes']->invoke(null, 'abc', $bits, Encoder::DEFAULT_BYTE_MODE_ECODING);
+        $this->assertSame(' .XX....X .XX...X. .XX...XX', (string) $bits);
+
+        // Empty
+        $bits = new BitArray();
+        $this->methods['append8BitBytes']->invoke(null, '', $bits, Encoder::DEFAULT_BYTE_MODE_ECODING);
+        $this->assertSame('', (string) $bits);
+    }
+
+    public function testAppendKanjiBytes() : void
+    {
+        // Numbers are from page 21 of JISX0510:2004
+        $bits = new BitArray();
+        $this->methods['appendKanjiBytes']->invoke(null, "\x93\x5f", $bits);
+        $this->assertSame(' .XX.XX.. XXXXX', (string) $bits);
+
+        $this->methods['appendKanjiBytes']->invoke(null, "\xe4\xaa", $bits);
+        $this->assertSame(' .XX.XX.. XXXXXXX. X.X.X.X. X.', (string) $bits);
+    }
+
+    public function testGenerateEcBytes() : void
+    {
+        // Numbers are from http://www.swetake.com/qr/qr3.html and
+        // http://www.swetake.com/qr/qr9.html
+        $dataBytes = SplFixedArray::fromArray([32, 65, 205, 69, 41, 220, 46, 128, 236], false);
+        $ecBytes   = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 17);
+        $expected  = SplFixedArray::fromArray(
+            [42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61],
+            false
+        );
+        $this->assertEquals($expected, $ecBytes);
+
+        $dataBytes = SplFixedArray::fromArray(
+            [67, 70, 22, 38, 54, 70, 86, 102, 118, 134, 150, 166, 182, 198, 214],
+            false
+        );
+        $ecBytes   = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 18);
+        $expected  = SplFixedArray::fromArray(
+            [175, 80, 155, 64, 178, 45, 214, 233, 65, 209, 12, 155, 117, 31, 140, 214, 27, 187],
+            false
+        );
+        $this->assertEquals($expected, $ecBytes);
+
+        // High-order zero coefficient case.
+        $dataBytes = SplFixedArray::fromArray([32, 49, 205, 69, 42, 20, 0, 236, 17], false);
+        $ecBytes   = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 17);
+        $expected  = SplFixedArray::fromArray(
+            [0, 3, 130, 179, 194, 0, 55, 211, 110, 79, 98, 72, 170, 96, 211, 137, 213],
+            false
+        );
+        $this->assertEquals($expected, $ecBytes);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Encoder/MaskUtilTest.php b/vendor/bacon/bacon-qr-code/test/Encoder/MaskUtilTest.php
new file mode 100755
index 0000000..46670fc
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Encoder/MaskUtilTest.php
@@ -0,0 +1,251 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Encoder;
+
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Encoder\MaskUtil;
+use PHPUnit\Framework\TestCase;
+
+class MaskUtilTest extends TestCase
+{
+    public function dataMaskBits() : array
+    {
+        return [
+            [0, [
+                [1, 0, 1, 0, 1, 0],
+                [0, 1, 0, 1, 0, 1],
+                [1, 0, 1, 0, 1, 0],
+                [0, 1, 0, 1, 0, 1],
+                [1, 0, 1, 0, 1, 0],
+                [0, 1, 0, 1, 0, 1],
+            ]],
+            [1, [
+                [1, 1, 1, 1, 1, 1],
+                [0, 0, 0, 0, 0, 0],
+                [1, 1, 1, 1, 1, 1],
+                [0, 0, 0, 0, 0, 0],
+                [1, 1, 1, 1, 1, 1],
+                [0, 0, 0, 0, 0, 0],
+            ]],
+            [2, [
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+            ]],
+            [3, [
+                [1, 0, 0, 1, 0, 0],
+                [0, 0, 1, 0, 0, 1],
+                [0, 1, 0, 0, 1, 0],
+                [1, 0, 0, 1, 0, 0],
+                [0, 0, 1, 0, 0, 1],
+                [0, 1, 0, 0, 1, 0],
+            ]],
+            [4, [
+                [1, 1, 1, 0, 0, 0],
+                [1, 1, 1, 0, 0, 0],
+                [0, 0, 0, 1, 1, 1],
+                [0, 0, 0, 1, 1, 1],
+                [1, 1, 1, 0, 0, 0],
+                [1, 1, 1, 0, 0, 0],
+            ]],
+            [5, [
+                [1, 1, 1, 1, 1, 1],
+                [1, 0, 0, 0, 0, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 1, 0, 1, 0],
+                [1, 0, 0, 1, 0, 0],
+                [1, 0, 0, 0, 0, 0],
+            ]],
+            [6, [
+                [1, 1, 1, 1, 1, 1],
+                [1, 1, 1, 0, 0, 0],
+                [1, 1, 0, 1, 1, 0],
+                [1, 0, 1, 0, 1, 0],
+                [1, 0, 1, 1, 0, 1],
+                [1, 0, 0, 0, 1, 1],
+            ]],
+            [7, [
+                [1, 0, 1, 0, 1, 0],
+                [0, 0, 0, 1, 1, 1],
+                [1, 0, 0, 0, 1, 1],
+                [0, 1, 0, 1, 0, 1],
+                [1, 1, 1, 0, 0, 0],
+                [0, 1, 1, 1, 0, 0],
+            ]],
+        ];
+    }
+
+    /**
+     * @dataProvider dataMaskBits
+     */
+    public function testGetDatMaskBit(int $maskPattern, array $expected) : void
+    {
+        for ($x = 0; $x < 6; ++$x) {
+            for ($y = 0; $y < 6; ++$y) {
+                $this->assertSame(
+                    1 === $expected[$y][$x],
+                    MaskUtil::getDataMaskBit($maskPattern, $x, $y)
+                );
+            }
+        }
+    }
+
+    public function testApplyMaskPenaltyRule1() : void
+    {
+        $matrix = new ByteMatrix(4, 1);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(2, 0, 0);
+        $matrix->set(3, 0, 0);
+
+        $this->assertSame(0, MaskUtil::applyMaskPenaltyRule1($matrix));
+
+        // Horizontal
+        $matrix = new ByteMatrix(6, 1);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(2, 0, 0);
+        $matrix->set(3, 0, 0);
+        $matrix->set(4, 0, 0);
+        $matrix->set(5, 0, 1);
+        $this->assertSame(3, MaskUtil::applyMaskPenaltyRule1($matrix));
+        $matrix->set(5, 0, 0);
+        $this->assertSame(4, MaskUtil::applyMaskPenaltyRule1($matrix));
+
+        // Vertical
+        $matrix = new ByteMatrix(1, 6);
+        $matrix->set(0, 0, 0);
+        $matrix->set(0, 1, 0);
+        $matrix->set(0, 2, 0);
+        $matrix->set(0, 3, 0);
+        $matrix->set(0, 4, 0);
+        $matrix->set(0, 5, 1);
+        $this->assertSame(3, MaskUtil::applyMaskPenaltyRule1($matrix));
+        $matrix->set(0, 5, 0);
+        $this->assertSame(4, MaskUtil::applyMaskPenaltyRule1($matrix));
+    }
+
+    public function testApplyMaskPenaltyRule2() : void
+    {
+        $matrix = new ByteMatrix(1, 1);
+        $matrix->set(0, 0, 0);
+        $this->assertSame(0, MaskUtil::applyMaskPenaltyRule2($matrix));
+
+        $matrix = new ByteMatrix(2, 2);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(0, 1, 0);
+        $matrix->set(1, 1, 1);
+        $this->assertSame(0, MaskUtil::applyMaskPenaltyRule2($matrix));
+
+        $matrix = new ByteMatrix(2, 2);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(0, 1, 0);
+        $matrix->set(1, 1, 0);
+        $this->assertSame(3, MaskUtil::applyMaskPenaltyRule2($matrix));
+
+        $matrix = new ByteMatrix(3, 3);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(2, 0, 0);
+        $matrix->set(0, 1, 0);
+        $matrix->set(1, 1, 0);
+        $matrix->set(2, 1, 0);
+        $matrix->set(0, 2, 0);
+        $matrix->set(1, 2, 0);
+        $matrix->set(2, 2, 0);
+        $this->assertSame(3 * 4, MaskUtil::applyMaskPenaltyRule2($matrix));
+    }
+
+    public function testApplyMaskPenalty3() : void
+    {
+        // Horizontal 00001011101
+        $matrix = new ByteMatrix(11, 1);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 0);
+        $matrix->set(2, 0, 0);
+        $matrix->set(3, 0, 0);
+        $matrix->set(4, 0, 1);
+        $matrix->set(5, 0, 0);
+        $matrix->set(6, 0, 1);
+        $matrix->set(7, 0, 1);
+        $matrix->set(8, 0, 1);
+        $matrix->set(9, 0, 0);
+        $matrix->set(10, 0, 1);
+        $this->assertSame(40, MaskUtil::applyMaskPenaltyRule3($matrix));
+
+        // Horizontal 10111010000
+        $matrix = new ByteMatrix(11, 1);
+        $matrix->set(0, 0, 1);
+        $matrix->set(1, 0, 0);
+        $matrix->set(2, 0, 1);
+        $matrix->set(3, 0, 1);
+        $matrix->set(4, 0, 1);
+        $matrix->set(5, 0, 0);
+        $matrix->set(6, 0, 1);
+        $matrix->set(7, 0, 0);
+        $matrix->set(8, 0, 0);
+        $matrix->set(9, 0, 0);
+        $matrix->set(10, 0, 0);
+        $this->assertSame(40, MaskUtil::applyMaskPenaltyRule3($matrix));
+
+        // Vertical 00001011101
+        $matrix = new ByteMatrix(1, 11);
+        $matrix->set(0, 0, 0);
+        $matrix->set(0, 1, 0);
+        $matrix->set(0, 2, 0);
+        $matrix->set(0, 3, 0);
+        $matrix->set(0, 4, 1);
+        $matrix->set(0, 5, 0);
+        $matrix->set(0, 6, 1);
+        $matrix->set(0, 7, 1);
+        $matrix->set(0, 8, 1);
+        $matrix->set(0, 9, 0);
+        $matrix->set(0, 10, 1);
+        $this->assertSame(40, MaskUtil::applyMaskPenaltyRule3($matrix));
+
+        // Vertical 10111010000
+        $matrix = new ByteMatrix(1, 11);
+        $matrix->set(0, 0, 1);
+        $matrix->set(0, 1, 0);
+        $matrix->set(0, 2, 1);
+        $matrix->set(0, 3, 1);
+        $matrix->set(0, 4, 1);
+        $matrix->set(0, 5, 0);
+        $matrix->set(0, 6, 1);
+        $matrix->set(0, 7, 0);
+        $matrix->set(0, 8, 0);
+        $matrix->set(0, 9, 0);
+        $matrix->set(0, 10, 0);
+        $this->assertSame(40, MaskUtil::applyMaskPenaltyRule3($matrix));
+    }
+
+    public function testApplyMaskPenaltyRule4() : void
+    {
+        // Dark cell ratio = 0%
+        $matrix = new ByteMatrix(1, 1);
+        $matrix->set(0, 0, 0);
+        $this->assertSame(100, MaskUtil::applyMaskPenaltyRule4($matrix));
+
+        // Dark cell ratio = 5%
+        $matrix = new ByteMatrix(2, 1);
+        $matrix->set(0, 0, 0);
+        $matrix->set(0, 0, 1);
+        $this->assertSame(0, MaskUtil::applyMaskPenaltyRule4($matrix));
+
+        // Dark cell ratio = 66.67%
+        $matrix = new ByteMatrix(6, 1);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 1);
+        $matrix->set(2, 0, 1);
+        $matrix->set(3, 0, 1);
+        $matrix->set(4, 0, 1);
+        $matrix->set(5, 0, 0);
+        $this->assertSame(30, MaskUtil::applyMaskPenaltyRule4($matrix));
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Encoder/MatrixUtilTest.php b/vendor/bacon/bacon-qr-code/test/Encoder/MatrixUtilTest.php
new file mode 100755
index 0000000..106ceaa
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Encoder/MatrixUtilTest.php
@@ -0,0 +1,335 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Encoder;
+
+use BaconQrCode\Common\BitArray;
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use BaconQrCode\Common\Version;
+use BaconQrCode\Encoder\ByteMatrix;
+use BaconQrCode\Encoder\MatrixUtil;
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+use ReflectionMethod;
+
+class MatrixUtilTest extends TestCase
+{
+    /**
+     * @var ReflectionMethod[]
+     */
+    protected $methods = [];
+
+    public function setUp() : void
+    {
+        // Hack to be able to test protected methods
+        $reflection = new ReflectionClass(MatrixUtil::class);
+
+        foreach ($reflection->getMethods(ReflectionMethod::IS_STATIC) as $method) {
+            $method->setAccessible(true);
+            $this->methods[$method->getName()] = $method;
+        }
+    }
+
+    public function testToString() : void
+    {
+        $matrix = new ByteMatrix(3, 3);
+        $matrix->set(0, 0, 0);
+        $matrix->set(1, 0, 1);
+        $matrix->set(2, 0, 0);
+        $matrix->set(0, 1, 1);
+        $matrix->set(1, 1, 0);
+        $matrix->set(2, 1, 1);
+        $matrix->set(0, 2, -1);
+        $matrix->set(1, 2, -1);
+        $matrix->set(2, 2, -1);
+
+        $expected = " 0 1 0\n 1 0 1\n      \n";
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testClearMatrix() : void
+    {
+        $matrix = new ByteMatrix(2, 2);
+        MatrixUtil::clearMatrix($matrix);
+
+        $this->assertSame(-1, $matrix->get(0, 0));
+        $this->assertSame(-1, $matrix->get(1, 0));
+        $this->assertSame(-1, $matrix->get(0, 1));
+        $this->assertSame(-1, $matrix->get(1, 1));
+    }
+
+    public function testEmbedBasicPatterns1() : void
+    {
+        $matrix = new ByteMatrix(21, 21);
+        MatrixUtil::clearMatrix($matrix);
+        $this->methods['embedBasicPatterns']->invoke(
+            null,
+            Version::getVersionForNumber(1),
+            $matrix
+        );
+        $expected = " 1 1 1 1 1 1 1 0           0 1 1 1 1 1 1 1\n"
+                  . " 1 0 0 0 0 0 1 0           0 1 0 0 0 0 0 1\n"
+                  . " 1 0 1 1 1 0 1 0           0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0           0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0           0 1 0 1 1 1 0 1\n"
+                  . " 1 0 0 0 0 0 1 0           0 1 0 0 0 0 0 1\n"
+                  . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+                  . " 0 0 0 0 0 0 0 0           0 0 0 0 0 0 0 0\n"
+                  . "             1                            \n"
+                  . "             0                            \n"
+                  . "             1                            \n"
+                  . "             0                            \n"
+                  . "             1                            \n"
+                  . " 0 0 0 0 0 0 0 0 1                        \n"
+                  . " 1 1 1 1 1 1 1 0                          \n"
+                  . " 1 0 0 0 0 0 1 0                          \n"
+                  . " 1 0 1 1 1 0 1 0                          \n"
+                  . " 1 0 1 1 1 0 1 0                          \n"
+                  . " 1 0 1 1 1 0 1 0                          \n"
+                  . " 1 0 0 0 0 0 1 0                          \n"
+                  . " 1 1 1 1 1 1 1 0                          \n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testEmbedBasicPatterns2() : void
+    {
+        $matrix = new ByteMatrix(25, 25);
+        MatrixUtil::clearMatrix($matrix);
+        $this->methods['embedBasicPatterns']->invoke(
+            null,
+            Version::getVersionForNumber(2),
+            $matrix
+        );
+        $expected = " 1 1 1 1 1 1 1 0                   0 1 1 1 1 1 1 1\n"
+                  . " 1 0 0 0 0 0 1 0                   0 1 0 0 0 0 0 1\n"
+                  . " 1 0 1 1 1 0 1 0                   0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0                   0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0                   0 1 0 1 1 1 0 1\n"
+                  . " 1 0 0 0 0 0 1 0                   0 1 0 0 0 0 0 1\n"
+                  . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+                  . " 0 0 0 0 0 0 0 0                   0 0 0 0 0 0 0 0\n"
+                  . "             1                                    \n"
+                  . "             0                                    \n"
+                  . "             1                                    \n"
+                  . "             0                                    \n"
+                  . "             1                                    \n"
+                  . "             0                                    \n"
+                  . "             1                                    \n"
+                  . "             0                                    \n"
+                  . "             1                   1 1 1 1 1        \n"
+                  . " 0 0 0 0 0 0 0 0 1               1 0 0 0 1        \n"
+                  . " 1 1 1 1 1 1 1 0                 1 0 1 0 1        \n"
+                  . " 1 0 0 0 0 0 1 0                 1 0 0 0 1        \n"
+                  . " 1 0 1 1 1 0 1 0                 1 1 1 1 1        \n"
+                  . " 1 0 1 1 1 0 1 0                                  \n"
+                  . " 1 0 1 1 1 0 1 0                                  \n"
+                  . " 1 0 0 0 0 0 1 0                                  \n"
+                  . " 1 1 1 1 1 1 1 0                                  \n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testEmbedTypeInfo() : void
+    {
+        $matrix = new ByteMatrix(21, 21);
+        MatrixUtil::clearMatrix($matrix);
+        $this->methods['embedTypeInfo']->invoke(
+            null,
+            ErrorCorrectionLevel::M(),
+            5,
+            $matrix
+        );
+        $expected = "                 0                        \n"
+                  . "                 1                        \n"
+                  . "                 1                        \n"
+                  . "                 1                        \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                                          \n"
+                  . "                 1                        \n"
+                  . " 1 0 0 0 0 0   0 1         1 1 0 0 1 1 1 0\n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                 0                        \n"
+                  . "                 1                        \n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testEmbedVersionInfo() : void
+    {
+        $matrix = new ByteMatrix(21, 21);
+        MatrixUtil::clearMatrix($matrix);
+        $this->methods['maybeEmbedVersionInfo']->invoke(
+            null,
+            Version::getVersionForNumber(7),
+            $matrix
+        );
+        $expected = "                     0 0 1                \n"
+                  . "                     0 1 0                \n"
+                  . "                     0 1 0                \n"
+                  . "                     0 1 1                \n"
+                  . "                     1 1 1                \n"
+                  . "                     0 0 0                \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . " 0 0 0 0 1 0                              \n"
+                  . " 0 1 1 1 1 0                              \n"
+                  . " 1 0 0 1 1 0                              \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n"
+                  . "                                          \n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testEmbedDataBits() : void
+    {
+        $matrix = new ByteMatrix(21, 21);
+        MatrixUtil::clearMatrix($matrix);
+        $this->methods['embedBasicPatterns']->invoke(
+            null,
+            Version::getVersionForNumber(1),
+            $matrix
+        );
+
+        $bits = new BitArray();
+        $this->methods['embedDataBits']->invoke(
+            null,
+            $bits,
+            -1,
+            $matrix
+        );
+
+        $expected = " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n"
+                  . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+                  . " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
+                  . " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testBuildMatrix() : void
+    {
+        $bytes = [
+            32, 65, 205, 69, 41, 220, 46, 128, 236, 42, 159, 74, 221, 244, 169,
+            239, 150, 138, 70, 237, 85, 224, 96, 74, 219 , 61
+        ];
+        $bits = new BitArray();
+
+        foreach ($bytes as $byte) {
+            $bits->appendBits($byte, 8);
+        }
+
+        $matrix = new ByteMatrix(21, 21);
+        MatrixUtil::buildMatrix(
+            $bits,
+            ErrorCorrectionLevel::H(),
+            Version::getVersionForNumber(1),
+            3,
+            $matrix
+        );
+
+        $expected = " 1 1 1 1 1 1 1 0 0 1 1 0 0 0 1 1 1 1 1 1 1\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 0 0 0 1 0 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 1 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 1 0 1\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 0 0 1\n"
+                  . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
+                  . " 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0\n"
+                  . " 0 0 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 0 0 0 0\n"
+                  . " 1 0 1 0 1 0 0 0 0 0 1 1 1 0 0 1 0 1 1 1 0\n"
+                  . " 1 1 1 1 0 1 1 0 1 0 1 1 1 0 0 1 1 1 0 1 0\n"
+                  . " 1 0 1 0 1 1 0 1 1 1 0 0 1 1 1 0 0 1 0 1 0\n"
+                  . " 0 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 1 1 1 1 1\n"
+                  . " 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 1 1\n"
+                  . " 1 1 1 1 1 1 1 0 1 1 1 1 0 0 0 0 1 0 1 1 0\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0\n"
+                  . " 1 0 1 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1 1\n"
+                  . " 1 0 1 1 1 0 1 0 1 1 0 1 0 0 0 0 0 1 1 1 0\n"
+                  . " 1 0 1 1 1 0 1 0 1 1 1 1 0 0 0 0 1 1 1 0 0\n"
+                  . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0\n"
+                  . " 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0\n";
+
+        $this->assertSame($expected, (string) $matrix);
+    }
+
+    public function testFindMsbSet() : void
+    {
+        $this->assertSame(0, $this->methods['findMsbSet']->invoke(null, 0));
+        $this->assertSame(1, $this->methods['findMsbSet']->invoke(null, 1));
+        $this->assertSame(8, $this->methods['findMsbSet']->invoke(null, 0x80));
+        $this->assertSame(32, $this->methods['findMsbSet']->invoke(null, 0x80000000));
+    }
+
+    public function testCalculateBchCode() : void
+    {
+        // Encoding of type information.
+        // From Appendix C in JISX0510:2004 (p 65)
+        $this->assertSame(0xdc, $this->methods['calculateBchCode']->invoke(null, 5, 0x537));
+        // From http://www.swetake.com/qr/qr6.html
+        $this->assertSame(0x1c2, $this->methods['calculateBchCode']->invoke(null, 0x13, 0x537));
+        // From http://www.swetake.com/qr/qr11.html
+        $this->assertSame(0x214, $this->methods['calculateBchCode']->invoke(null, 0x1b, 0x537));
+
+        // Encoding of version information.
+        // From Appendix D in JISX0510:2004 (p 68)
+        $this->assertSame(0xc94, $this->methods['calculateBchCode']->invoke(null, 7, 0x1f25));
+        $this->assertSame(0x5bc, $this->methods['calculateBchCode']->invoke(null, 8, 0x1f25));
+        $this->assertSame(0xa99, $this->methods['calculateBchCode']->invoke(null, 9, 0x1f25));
+        $this->assertSame(0x4d3, $this->methods['calculateBchCode']->invoke(null, 10, 0x1f25));
+        $this->assertSame(0x9a6, $this->methods['calculateBchCode']->invoke(null, 20, 0x1f25));
+        $this->assertSame(0xd75, $this->methods['calculateBchCode']->invoke(null, 30, 0x1f25));
+        $this->assertSame(0xc69, $this->methods['calculateBchCode']->invoke(null, 40, 0x1f25));
+    }
+
+    public function testMakeVersionInfoBits() : void
+    {
+        // From Appendix D in JISX0510:2004 (p 68)
+        $bits = new BitArray();
+        $this->methods['makeVersionInfoBits']->invoke(null, Version::getVersionForNumber(7), $bits);
+        $this->assertSame(' ...XXXXX ..X..X.X ..', (string) $bits);
+    }
+
+    public function testMakeTypeInfoBits() : void
+    {
+        // From Appendix D in JISX0510:2004 (p 68)
+        $bits = new BitArray();
+        $this->methods['makeTypeInfoBits']->invoke(null, ErrorCorrectionLevel::M(), 5, $bits);
+        $this->assertSame(' X......X X..XXX.', (string) $bits);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Integration/ImagickRenderingTest.php b/vendor/bacon/bacon-qr-code/test/Integration/ImagickRenderingTest.php
new file mode 100755
index 0000000..39e44bf
--- /dev/null
+++ b/vendor/bacon/bacon-qr-code/test/Integration/ImagickRenderingTest.php
@@ -0,0 +1,63 @@
+<?php
+declare(strict_types = 1);
+
+namespace BaconQrCodeTest\Integration;
+
+use BaconQrCode\Renderer\Color\Rgb;
+use BaconQrCode\Renderer\Eye\SquareEye;
+use BaconQrCode\Renderer\Image\ImagickImageBackEnd;
+use BaconQrCode\Renderer\ImageRenderer;
+use BaconQrCode\Renderer\Module\SquareModule;
+use BaconQrCode\Renderer\RendererStyle\EyeFill;
+use BaconQrCode\Renderer\RendererStyle\Fill;
+use BaconQrCode\Renderer\RendererStyle\Gradient;
+use BaconQrCode\Renderer\RendererStyle\GradientType;
+use BaconQrCode\Renderer\RendererStyle\RendererStyle;
+use BaconQrCode\Writer;
+use PHPUnit\Framework\TestCase;
+use Spatie\Snapshots\MatchesSnapshots;
+
+final class ImagickRenderingTest extends TestCase
+{
+    use MatchesSnapshots;
+
+    public function testGenericQrCode() : void
+    {
+        $renderer = new ImageRenderer(
+            new RendererStyle(400),
+            new ImagickImageBackEnd()
+        );
+        $writer = new Writer($renderer);
+        $tempName = tempnam(sys_get_temp_dir(), 'test') . '.png';
+        $writer->writeFile('Hello World!', $tempName);
+
+        $this->assertMatchesFileSnapshot($tempName);
+        unlink($tempName);
+    }
+
+    public function testIssue79() : void
+    {
+        $eye = SquareEye::instance();
+        $squareModule = SquareModule::instance();
+
+        $eyeFill = new EyeFill(new Rgb(100, 100, 55), new Rgb(100, 100, 255));
+        $gradient = new Gradient(new Rgb(100, 100, 55), new Rgb(100, 100, 255), GradientType::HORIZONTAL());
+
+        $renderer = new ImageRenderer(
+            new RendererStyle(
+                400,
+                2,
+                $squareModule,
+                $eye,
+                Fill::withForegroundGradient(new Rgb(255, 255, 255), $gradient, $eyeFill, $eyeFill, $eyeFill)
+            ),
+            new ImagickImageBackEnd()
+        );
+        $writer = new Writer($renderer);
+        $tempName = tempnam(sys_get_temp_dir(), 'test') . '.png';
+        $writer->writeFile('https://apiroad.net/very-long-url', $tempName);
+
+        $this->assertMatchesFileSnapshot($tempName);
+        unlink($tempName);
+    }
+}
diff --git a/vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testGenericQrCode__1.png b/vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testGenericQrCode__1.png
new file mode 100755
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diff --git a/vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testIssue79__1.png b/vendor/bacon/bacon-qr-code/test/Integration/__snapshots__/files/ImagickRenderingTest__testIssue79__1.png
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HcmV?d00001

diff --git a/vendor/bin/lessc b/vendor/bin/lessc
new file mode 100755
index 0000000..7ae7f57
--- /dev/null
+++ b/vendor/bin/lessc
@@ -0,0 +1,117 @@
+#!/usr/bin/env php
+<?php
+
+/**
+ * Proxy PHP file generated by Composer
+ *
+ * This file includes the referenced bin path (../wikimedia/less.php/bin/lessc)
+ * using a stream wrapper to prevent the shebang from being output on PHP<8
+ *
+ * @generated
+ */
+
+namespace Composer;
+
+$GLOBALS['_composer_bin_dir'] = __DIR__;
+$GLOBALS['_composer_autoload_path'] = __DIR__ . '/..'.'/autoload.php';
+
+if (PHP_VERSION_ID < 80000) {
+    if (!class_exists('Composer\BinProxyWrapper')) {
+        /**
+         * @internal
+         */
+        final class BinProxyWrapper
+        {
+            private $handle;
+            private $position;
+            private $realpath;
+
+            public function stream_open($path, $mode, $options, &$opened_path)
+            {
+                // get rid of phpvfscomposer:// prefix for __FILE__ & __DIR__ resolution
+                $opened_path = substr($path, 17);
+                $this->realpath = realpath($opened_path) ?: $opened_path;
+                $opened_path = $this->realpath;
+                $this->handle = fopen($this->realpath, $mode);
+                $this->position = 0;
+
+                return (bool) $this->handle;
+            }
+
+            public function stream_read($count)
+            {
+                $data = fread($this->handle, $count);
+
+                if ($this->position === 0) {
+                    $data = preg_replace('{^#!.*\r?\n}', '', $data);
+                }
+
+                $this->position += strlen($data);
+
+                return $data;
+            }
+
+            public function stream_cast($castAs)
+            {
+                return $this->handle;
+            }
+
+            public function stream_close()
+            {
+                fclose($this->handle);
+            }
+
+            public function stream_lock($operation)
+            {
+                return $operation ? flock($this->handle, $operation) : true;
+            }
+
+            public function stream_seek($offset, $whence)
+            {
+                if (0 === fseek($this->handle, $offset, $whence)) {
+                    $this->position = ftell($this->handle);
+                    return true;
+                }
+
+                return false;
+            }
+
+            public function stream_tell()
+            {
+                return $this->position;
+            }
+
+            public function stream_eof()
+            {
+                return feof($this->handle);
+            }
+
+            public function stream_stat()
+            {
+                return array();
+            }
+
+            public function stream_set_option($option, $arg1, $arg2)
+            {
+                return true;
+            }
+
+            public function url_stat($path, $flags)
+            {
+                $path = substr($path, 17);
+                if (file_exists($path)) {
+                    return stat($path);
+                }
+
+                return false;
+            }
+        }
+    }
+
+    if (function_exists('stream_wrapper_register') && stream_wrapper_register('phpvfscomposer', 'Composer\BinProxyWrapper')) {
+        include("phpvfscomposer://" . __DIR__ . '/..'.'/wikimedia/less.php/bin/lessc');
+        exit(0);
+    }
+}
+
+include __DIR__ . '/..'.'/wikimedia/less.php/bin/lessc';
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
new file mode 100755
index 0000000..afef3fa
--- /dev/null
+++ b/vendor/composer/ClassLoader.php
@@ -0,0 +1,572 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
+ *
+ *     $loader = new \Composer\Autoload\ClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->add('Symfony\Component', __DIR__.'/component');
+ *     $loader->add('Symfony',           __DIR__.'/framework');
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ *     // to enable searching the include path (eg. for PEAR packages)
+ *     $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @see    https://www.php-fig.org/psr/psr-0/
+ * @see    https://www.php-fig.org/psr/psr-4/
+ */
+class ClassLoader
+{
+    /** @var ?string */
+    private $vendorDir;
+
+    // PSR-4
+    /**
+     * @var array[]
+     * @psalm-var array<string, array<string, int>>
+     */
+    private $prefixLengthsPsr4 = array();
+    /**
+     * @var array[]
+     * @psalm-var array<string, array<int, string>>
+     */
+    private $prefixDirsPsr4 = array();
+    /**
+     * @var array[]
+     * @psalm-var array<string, string>
+     */
+    private $fallbackDirsPsr4 = array();
+
+    // PSR-0
+    /**
+     * @var array[]
+     * @psalm-var array<string, array<string, string[]>>
+     */
+    private $prefixesPsr0 = array();
+    /**
+     * @var array[]
+     * @psalm-var array<string, string>
+     */
+    private $fallbackDirsPsr0 = array();
+
+    /** @var bool */
+    private $useIncludePath = false;
+
+    /**
+     * @var string[]
+     * @psalm-var array<string, string>
+     */
+    private $classMap = array();
+
+    /** @var bool */
+    private $classMapAuthoritative = false;
+
+    /**
+     * @var bool[]
+     * @psalm-var array<string, bool>
+     */
+    private $missingClasses = array();
+
+    /** @var ?string */
+    private $apcuPrefix;
+
+    /**
+     * @var self[]
+     */
+    private static $registeredLoaders = array();
+
+    /**
+     * @param ?string $vendorDir
+     */
+    public function __construct($vendorDir = null)
+    {
+        $this->vendorDir = $vendorDir;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getPrefixes()
+    {
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
+        }
+
+        return array();
+    }
+
+    /**
+     * @return array[]
+     * @psalm-return array<string, array<int, string>>
+     */
+    public function getPrefixesPsr4()
+    {
+        return $this->prefixDirsPsr4;
+    }
+
+    /**
+     * @return array[]
+     * @psalm-return array<string, string>
+     */
+    public function getFallbackDirs()
+    {
+        return $this->fallbackDirsPsr0;
+    }
+
+    /**
+     * @return array[]
+     * @psalm-return array<string, string>
+     */
+    public function getFallbackDirsPsr4()
+    {
+        return $this->fallbackDirsPsr4;
+    }
+
+    /**
+     * @return string[] Array of classname => path
+     * @psalm-return array<string, string>
+     */
+    public function getClassMap()
+    {
+        return $this->classMap;
+    }
+
+    /**
+     * @param string[] $classMap Class to filename map
+     * @psalm-param array<string, string> $classMap
+     *
+     * @return void
+     */
+    public function addClassMap(array $classMap)
+    {
+        if ($this->classMap) {
+            $this->classMap = array_merge($this->classMap, $classMap);
+        } else {
+            $this->classMap = $classMap;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix, either
+     * appending or prepending to the ones previously set for this prefix.
+     *
+     * @param string          $prefix  The prefix
+     * @param string[]|string $paths   The PSR-0 root directories
+     * @param bool            $prepend Whether to prepend the directories
+     *
+     * @return void
+     */
+    public function add($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            if ($prepend) {
+                $this->fallbackDirsPsr0 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr0
+                );
+            } else {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $this->fallbackDirsPsr0,
+                    (array) $paths
+                );
+            }
+
+            return;
+        }
+
+        $first = $prefix[0];
+        if (!isset($this->prefixesPsr0[$first][$prefix])) {
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+            return;
+        }
+        if ($prepend) {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixesPsr0[$first][$prefix]
+            );
+        } else {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $this->prefixesPsr0[$first][$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace, either
+     * appending or prepending to the ones previously set for this namespace.
+     *
+     * @param string          $prefix  The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths   The PSR-4 base directories
+     * @param bool            $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function addPsr4($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            // Register directories for the root namespace.
+            if ($prepend) {
+                $this->fallbackDirsPsr4 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr4
+                );
+            } else {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $this->fallbackDirsPsr4,
+                    (array) $paths
+                );
+            }
+        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+            // Register directories for a new namespace.
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        } elseif ($prepend) {
+            // Prepend directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixDirsPsr4[$prefix]
+            );
+        } else {
+            // Append directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $this->prefixDirsPsr4[$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix,
+     * replacing any others previously set for this prefix.
+     *
+     * @param string          $prefix The prefix
+     * @param string[]|string $paths  The PSR-0 base directories
+     *
+     * @return void
+     */
+    public function set($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr0 = (array) $paths;
+        } else {
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace,
+     * replacing any others previously set for this namespace.
+     *
+     * @param string          $prefix The prefix/namespace, with trailing '\\'
+     * @param string[]|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function setPsr4($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr4 = (array) $paths;
+        } else {
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Turns on searching the include path for class files.
+     *
+     * @param bool $useIncludePath
+     *
+     * @return void
+     */
+    public function setUseIncludePath($useIncludePath)
+    {
+        $this->useIncludePath = $useIncludePath;
+    }
+
+    /**
+     * Can be used to check if the autoloader uses the include path to check
+     * for classes.
+     *
+     * @return bool
+     */
+    public function getUseIncludePath()
+    {
+        return $this->useIncludePath;
+    }
+
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     *
+     * @return void
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     *
+     * @return void
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not
+     *
+     * @return void
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+
+        if (null === $this->vendorDir) {
+            return;
+        }
+
+        if ($prepend) {
+            self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
+        } else {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+            self::$registeredLoaders[$this->vendorDir] = $this;
+        }
+    }
+
+    /**
+     * Unregisters this instance as an autoloader.
+     *
+     * @return void
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+
+        if (null !== $this->vendorDir) {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+        }
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param  string    $class The name of the class
+     * @return true|null True if loaded, null otherwise
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            includeFile($file);
+
+            return true;
+        }
+
+        return null;
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|false The path if found, false otherwise
+     */
+    public function findFile($class)
+    {
+        // class map lookup
+        if (isset($this->classMap[$class])) {
+            return $this->classMap[$class];
+        }
+        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+            return false;
+        }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
+
+        $file = $this->findFileWithExtension($class, '.php');
+
+        // Search for Hack files if we are running on HHVM
+        if (false === $file && defined('HHVM_VERSION')) {
+            $file = $this->findFileWithExtension($class, '.hh');
+        }
+
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
+        if (false === $file) {
+            // Remember that this class does not exist.
+            $this->missingClasses[$class] = true;
+        }
+
+        return $file;
+    }
+
+    /**
+     * Returns the currently registered loaders indexed by their corresponding vendor directories.
+     *
+     * @return self[]
+     */
+    public static function getRegisteredLoaders()
+    {
+        return self::$registeredLoaders;
+    }
+
+    /**
+     * @param  string       $class
+     * @param  string       $ext
+     * @return string|false
+     */
+    private function findFileWithExtension($class, $ext)
+    {
+        // PSR-4 lookup
+        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+        $first = $class[0];
+        if (isset($this->prefixLengthsPsr4[$first])) {
+            $subPath = $class;
+            while (false !== $lastPos = strrpos($subPath, '\\')) {
+                $subPath = substr($subPath, 0, $lastPos);
+                $search = $subPath . '\\';
+                if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
+                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
+                        if (file_exists($file = $dir . $pathEnd)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-4 fallback dirs
+        foreach ($this->fallbackDirsPsr4 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 lookup
+        if (false !== $pos = strrpos($class, '\\')) {
+            // namespaced class name
+            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+        } else {
+            // PEAR-like class name
+            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+        }
+
+        if (isset($this->prefixesPsr0[$first])) {
+            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-0 fallback dirs
+        foreach ($this->fallbackDirsPsr0 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 include paths.
+        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+            return $file;
+        }
+
+        return false;
+    }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ *
+ * @param  string $file
+ * @return void
+ * @private
+ */
+function includeFile($file)
+{
+    include $file;
+}
diff --git a/vendor/composer/InstalledVersions.php b/vendor/composer/InstalledVersions.php
new file mode 100755
index 0000000..c6b54af
--- /dev/null
+++ b/vendor/composer/InstalledVersions.php
@@ -0,0 +1,352 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer;
+
+use Composer\Autoload\ClassLoader;
+use Composer\Semver\VersionParser;
+
+/**
+ * This class is copied in every Composer installed project and available to all
+ *
+ * See also https://getcomposer.org/doc/07-runtime.md#installed-versions
+ *
+ * To require its presence, you can require `composer-runtime-api ^2.0`
+ *
+ * @final
+ */
+class InstalledVersions
+{
+    /**
+     * @var mixed[]|null
+     * @psalm-var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}|array{}|null
+     */
+    private static $installed;
+
+    /**
+     * @var bool|null
+     */
+    private static $canGetVendors;
+
+    /**
+     * @var array[]
+     * @psalm-var array<string, array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    private static $installedByVendor = array();
+
+    /**
+     * Returns a list of all package names which are present, either by being installed, replaced or provided
+     *
+     * @return string[]
+     * @psalm-return list<string>
+     */
+    public static function getInstalledPackages()
+    {
+        $packages = array();
+        foreach (self::getInstalled() as $installed) {
+            $packages[] = array_keys($installed['versions']);
+        }
+
+        if (1 === \count($packages)) {
+            return $packages[0];
+        }
+
+        return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
+    }
+
+    /**
+     * Returns a list of all package names with a specific type e.g. 'library'
+     *
+     * @param  string   $type
+     * @return string[]
+     * @psalm-return list<string>
+     */
+    public static function getInstalledPackagesByType($type)
+    {
+        $packagesByType = array();
+
+        foreach (self::getInstalled() as $installed) {
+            foreach ($installed['versions'] as $name => $package) {
+                if (isset($package['type']) && $package['type'] === $type) {
+                    $packagesByType[] = $name;
+                }
+            }
+        }
+
+        return $packagesByType;
+    }
+
+    /**
+     * Checks whether the given package is installed
+     *
+     * This also returns true if the package name is provided or replaced by another package
+     *
+     * @param  string $packageName
+     * @param  bool   $includeDevRequirements
+     * @return bool
+     */
+    public static function isInstalled($packageName, $includeDevRequirements = true)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (isset($installed['versions'][$packageName])) {
+                return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']);
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Checks whether the given package satisfies a version constraint
+     *
+     * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
+     *
+     *   Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
+     *
+     * @param  VersionParser $parser      Install composer/semver to have access to this class and functionality
+     * @param  string        $packageName
+     * @param  string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
+     * @return bool
+     */
+    public static function satisfies(VersionParser $parser, $packageName, $constraint)
+    {
+        $constraint = $parser->parseConstraints($constraint);
+        $provided = $parser->parseConstraints(self::getVersionRanges($packageName));
+
+        return $provided->matches($constraint);
+    }
+
+    /**
+     * Returns a version constraint representing all the range(s) which are installed for a given package
+     *
+     * It is easier to use this via isInstalled() with the $constraint argument if you need to check
+     * whether a given version of a package is installed, and not just whether it exists
+     *
+     * @param  string $packageName
+     * @return string Version constraint usable with composer/semver
+     */
+    public static function getVersionRanges($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            $ranges = array();
+            if (isset($installed['versions'][$packageName]['pretty_version'])) {
+                $ranges[] = $installed['versions'][$packageName]['pretty_version'];
+            }
+            if (array_key_exists('aliases', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
+            }
+            if (array_key_exists('replaced', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
+            }
+            if (array_key_exists('provided', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
+            }
+
+            return implode(' || ', $ranges);
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
+     */
+    public static function getVersion($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['version'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['version'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
+     */
+    public static function getPrettyVersion($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['pretty_version'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['pretty_version'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
+     */
+    public static function getReference($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['reference'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['reference'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
+     */
+    public static function getInstallPath($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @return array
+     * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
+     */
+    public static function getRootPackage()
+    {
+        $installed = self::getInstalled();
+
+        return $installed[0]['root'];
+    }
+
+    /**
+     * Returns the raw installed.php data for custom implementations
+     *
+     * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
+     * @return array[]
+     * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}
+     */
+    public static function getRawData()
+    {
+        @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
+
+        if (null === self::$installed) {
+            // only require the installed.php file if this file is loaded from its dumped location,
+            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
+            if (substr(__DIR__, -8, 1) !== 'C') {
+                self::$installed = include __DIR__ . '/installed.php';
+            } else {
+                self::$installed = array();
+            }
+        }
+
+        return self::$installed;
+    }
+
+    /**
+     * Returns the raw data of all installed.php which are currently loaded for custom implementations
+     *
+     * @return array[]
+     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    public static function getAllRawData()
+    {
+        return self::getInstalled();
+    }
+
+    /**
+     * Lets you reload the static array from another file
+     *
+     * This is only useful for complex integrations in which a project needs to use
+     * this class but then also needs to execute another project's autoloader in process,
+     * and wants to ensure both projects have access to their version of installed.php.
+     *
+     * A typical case would be PHPUnit, where it would need to make sure it reads all
+     * the data it needs from this class, then call reload() with
+     * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
+     * the project in which it runs can then also use this class safely, without
+     * interference between PHPUnit's dependencies and the project's dependencies.
+     *
+     * @param  array[] $data A vendor/composer/installed.php data set
+     * @return void
+     *
+     * @psalm-param array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $data
+     */
+    public static function reload($data)
+    {
+        self::$installed = $data;
+        self::$installedByVendor = array();
+    }
+
+    /**
+     * @return array[]
+     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    private static function getInstalled()
+    {
+        if (null === self::$canGetVendors) {
+            self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
+        }
+
+        $installed = array();
+
+        if (self::$canGetVendors) {
+            foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
+                if (isset(self::$installedByVendor[$vendorDir])) {
+                    $installed[] = self::$installedByVendor[$vendorDir];
+                } elseif (is_file($vendorDir.'/composer/installed.php')) {
+                    $installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
+                    if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
+                        self::$installed = $installed[count($installed) - 1];
+                    }
+                }
+            }
+        }
+
+        if (null === self::$installed) {
+            // only require the installed.php file if this file is loaded from its dumped location,
+            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
+            if (substr(__DIR__, -8, 1) !== 'C') {
+                self::$installed = require __DIR__ . '/installed.php';
+            } else {
+                self::$installed = array();
+            }
+        }
+        $installed[] = self::$installed;
+
+        return $installed;
+    }
+}
diff --git a/vendor/composer/LICENSE b/vendor/composer/LICENSE
new file mode 100755
index 0000000..f27399a
--- /dev/null
+++ b/vendor/composer/LICENSE
@@ -0,0 +1,21 @@
+
+Copyright (c) Nils Adermann, Jordi Boggiano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
new file mode 100755
index 0000000..35d5fc3
--- /dev/null
+++ b/vendor/composer/autoload_classmap.php
@@ -0,0 +1,11 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Composer\\InstalledVersions' => $vendorDir . '/composer/InstalledVersions.php',
+    'lessc' => $vendorDir . '/wikimedia/less.php/lessc.inc.php',
+);
diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
new file mode 100755
index 0000000..8558de4
--- /dev/null
+++ b/vendor/composer/autoload_namespaces.php
@@ -0,0 +1,10 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Less' => array($vendorDir . '/wikimedia/less.php/lib'),
+);
diff --git a/vendor/composer/autoload_psr4.php b/vendor/composer/autoload_psr4.php
new file mode 100755
index 0000000..570636e
--- /dev/null
+++ b/vendor/composer/autoload_psr4.php
@@ -0,0 +1,12 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Endroid\\QrCode\\' => array($vendorDir . '/endroid/qr-code/src'),
+    'DASPRiD\\Enum\\' => array($vendorDir . '/dasprid/enum/src'),
+    'BaconQrCode\\' => array($vendorDir . '/bacon/bacon-qr-code/src'),
+);
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
new file mode 100755
index 0000000..a81e37d
--- /dev/null
+++ b/vendor/composer/autoload_real.php
@@ -0,0 +1,38 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit6bb82695b2f28e8ee61f74ae2d5c5202
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
+            return self::$loader;
+        }
+
+        require __DIR__ . '/platform_check.php';
+
+        spl_autoload_register(array('ComposerAutoloaderInit6bb82695b2f28e8ee61f74ae2d5c5202', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader(\dirname(__DIR__));
+        spl_autoload_unregister(array('ComposerAutoloaderInit6bb82695b2f28e8ee61f74ae2d5c5202', 'loadClassLoader'));
+
+        require __DIR__ . '/autoload_static.php';
+        call_user_func(\Composer\Autoload\ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202::getInitializer($loader));
+
+        $loader->register(true);
+
+        return $loader;
+    }
+}
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
new file mode 100755
index 0000000..c6b0153
--- /dev/null
+++ b/vendor/composer/autoload_static.php
@@ -0,0 +1,64 @@
+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202
+{
+    public static $prefixLengthsPsr4 = array (
+        'E' => 
+        array (
+            'Endroid\\QrCode\\' => 15,
+        ),
+        'D' => 
+        array (
+            'DASPRiD\\Enum\\' => 13,
+        ),
+        'B' => 
+        array (
+            'BaconQrCode\\' => 12,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'Endroid\\QrCode\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/endroid/qr-code/src',
+        ),
+        'DASPRiD\\Enum\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/dasprid/enum/src',
+        ),
+        'BaconQrCode\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/bacon/bacon-qr-code/src',
+        ),
+    );
+
+    public static $prefixesPsr0 = array (
+        'L' => 
+        array (
+            'Less' => 
+            array (
+                0 => __DIR__ . '/..' . '/wikimedia/less.php/lib',
+            ),
+        ),
+    );
+
+    public static $classMap = array (
+        'Composer\\InstalledVersions' => __DIR__ . '/..' . '/composer/InstalledVersions.php',
+        'lessc' => __DIR__ . '/..' . '/wikimedia/less.php/lessc.inc.php',
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202::$prefixDirsPsr4;
+            $loader->prefixesPsr0 = ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202::$prefixesPsr0;
+            $loader->classMap = ComposerStaticInit6bb82695b2f28e8ee61f74ae2d5c5202::$classMap;
+
+        }, null, ClassLoader::class);
+    }
+}
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
new file mode 100755
index 0000000..d43d4f1
--- /dev/null
+++ b/vendor/composer/installed.json
@@ -0,0 +1,260 @@
+{
+    "packages": [
+        {
+            "name": "bacon/bacon-qr-code",
+            "version": "2.0.7",
+            "version_normalized": "2.0.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Bacon/BaconQrCode.git",
+                "reference": "d70c840f68657ce49094b8d91f9ee0cc07fbf66c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Bacon/BaconQrCode/zipball/d70c840f68657ce49094b8d91f9ee0cc07fbf66c",
+                "reference": "d70c840f68657ce49094b8d91f9ee0cc07fbf66c",
+                "shasum": ""
+            },
+            "require": {
+                "dasprid/enum": "^1.0.3",
+                "ext-iconv": "*",
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "phly/keep-a-changelog": "^2.1",
+                "phpunit/phpunit": "^7 | ^8 | ^9",
+                "spatie/phpunit-snapshot-assertions": "^4.2.9",
+                "squizlabs/php_codesniffer": "^3.4"
+            },
+            "suggest": {
+                "ext-imagick": "to generate QR code images"
+            },
+            "time": "2022-03-14T02:02:36+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "BaconQrCode\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Ben Scholzen 'DASPRiD'",
+                    "email": "mail@dasprids.de",
+                    "homepage": "https://dasprids.de/",
+                    "role": "Developer"
+                }
+            ],
+            "description": "BaconQrCode is a QR code generator for PHP.",
+            "homepage": "https://github.com/Bacon/BaconQrCode",
+            "support": {
+                "issues": "https://github.com/Bacon/BaconQrCode/issues",
+                "source": "https://github.com/Bacon/BaconQrCode/tree/2.0.7"
+            },
+            "install-path": "../bacon/bacon-qr-code"
+        },
+        {
+            "name": "dasprid/enum",
+            "version": "1.0.3",
+            "version_normalized": "1.0.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/DASPRiD/Enum.git",
+                "reference": "5abf82f213618696dda8e3bf6f64dd042d8542b2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/DASPRiD/Enum/zipball/5abf82f213618696dda8e3bf6f64dd042d8542b2",
+                "reference": "5abf82f213618696dda8e3bf6f64dd042d8542b2",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^7 | ^8 | ^9",
+                "squizlabs/php_codesniffer": "^3.4"
+            },
+            "time": "2020-10-02T16:03:48+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "DASPRiD\\Enum\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Ben Scholzen 'DASPRiD'",
+                    "email": "mail@dasprids.de",
+                    "homepage": "https://dasprids.de/",
+                    "role": "Developer"
+                }
+            ],
+            "description": "PHP 7.1 enum implementation",
+            "keywords": [
+                "enum",
+                "map"
+            ],
+            "support": {
+                "issues": "https://github.com/DASPRiD/Enum/issues",
+                "source": "https://github.com/DASPRiD/Enum/tree/1.0.3"
+            },
+            "install-path": "../dasprid/enum"
+        },
+        {
+            "name": "endroid/qr-code",
+            "version": "4.4.9",
+            "version_normalized": "4.4.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/endroid/qr-code.git",
+                "reference": "bf087fa1e93a1b7310e2d94d187e26ae51db199d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/endroid/qr-code/zipball/bf087fa1e93a1b7310e2d94d187e26ae51db199d",
+                "reference": "bf087fa1e93a1b7310e2d94d187e26ae51db199d",
+                "shasum": ""
+            },
+            "require": {
+                "bacon/bacon-qr-code": "^2.0.5",
+                "php": "^7.4||^8.0"
+            },
+            "require-dev": {
+                "endroid/quality": "dev-master",
+                "ext-gd": "*",
+                "khanamiryan/qrcode-detector-decoder": "^1.0.4",
+                "setasign/fpdf": "^1.8.2"
+            },
+            "suggest": {
+                "ext-gd": "Enables you to write PNG images",
+                "khanamiryan/qrcode-detector-decoder": "Enables you to use the image validator",
+                "roave/security-advisories": "Makes sure package versions with known security issues are not installed",
+                "setasign/fpdf": "Enables you to use the PDF writer"
+            },
+            "time": "2022-05-10T07:25:08+00:00",
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.x-dev"
+                }
+            },
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "Endroid\\QrCode\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jeroen van den Enden",
+                    "email": "info@endroid.nl"
+                }
+            ],
+            "description": "Endroid QR Code",
+            "homepage": "https://github.com/endroid/qr-code",
+            "keywords": [
+                "code",
+                "endroid",
+                "php",
+                "qr",
+                "qrcode"
+            ],
+            "support": {
+                "issues": "https://github.com/endroid/qr-code/issues",
+                "source": "https://github.com/endroid/qr-code/tree/4.4.9"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/endroid",
+                    "type": "github"
+                }
+            ],
+            "install-path": "../endroid/qr-code"
+        },
+        {
+            "name": "wikimedia/less.php",
+            "version": "v3.1.0",
+            "version_normalized": "3.1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/wikimedia/less.php.git",
+                "reference": "a486d78b9bd16b72f237fc6093aa56d69ce8bd13"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/wikimedia/less.php/zipball/a486d78b9bd16b72f237fc6093aa56d69ce8bd13",
+                "reference": "a486d78b9bd16b72f237fc6093aa56d69ce8bd13",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.9"
+            },
+            "require-dev": {
+                "mediawiki/mediawiki-codesniffer": "34.0.0",
+                "mediawiki/minus-x": "1.0.0",
+                "php-parallel-lint/php-console-highlighter": "0.5.0",
+                "php-parallel-lint/php-parallel-lint": "1.2.0",
+                "phpunit/phpunit": "^8.5"
+            },
+            "time": "2020-12-11T19:33:31+00:00",
+            "bin": [
+                "bin/lessc"
+            ],
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-0": {
+                    "Less": "lib/"
+                },
+                "classmap": [
+                    "lessc.inc.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Josh Schmidt",
+                    "homepage": "https://github.com/oyejorge"
+                },
+                {
+                    "name": "Matt Agar",
+                    "homepage": "https://github.com/agar"
+                },
+                {
+                    "name": "Martin Jantošovič",
+                    "homepage": "https://github.com/Mordred"
+                }
+            ],
+            "description": "PHP port of the Javascript version of LESS http://lesscss.org (Originally maintained by Josh Schmidt)",
+            "keywords": [
+                "css",
+                "less",
+                "less.js",
+                "lesscss",
+                "php",
+                "stylesheet"
+            ],
+            "support": {
+                "issues": "https://github.com/wikimedia/less.php/issues",
+                "source": "https://github.com/wikimedia/less.php/tree/v3.1.0"
+            },
+            "install-path": "../wikimedia/less.php"
+        }
+    ],
+    "dev": true,
+    "dev-package-names": []
+}
diff --git a/vendor/composer/installed.php b/vendor/composer/installed.php
new file mode 100755
index 0000000..7c8fcd4
--- /dev/null
+++ b/vendor/composer/installed.php
@@ -0,0 +1,59 @@
+<?php return array(
+    'root' => array(
+        'name' => '__root__',
+        'pretty_version' => 'dev-main',
+        'version' => 'dev-main',
+        'reference' => '5e455c1499d4fba2d9bb825e4db8b58a3a6a595e',
+        'type' => 'library',
+        'install_path' => __DIR__ . '/../../',
+        'aliases' => array(),
+        'dev' => true,
+    ),
+    'versions' => array(
+        '__root__' => array(
+            'pretty_version' => 'dev-main',
+            'version' => 'dev-main',
+            'reference' => '5e455c1499d4fba2d9bb825e4db8b58a3a6a595e',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../../',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+        'bacon/bacon-qr-code' => array(
+            'pretty_version' => '2.0.7',
+            'version' => '2.0.7.0',
+            'reference' => 'd70c840f68657ce49094b8d91f9ee0cc07fbf66c',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../bacon/bacon-qr-code',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+        'dasprid/enum' => array(
+            'pretty_version' => '1.0.3',
+            'version' => '1.0.3.0',
+            'reference' => '5abf82f213618696dda8e3bf6f64dd042d8542b2',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../dasprid/enum',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+        'endroid/qr-code' => array(
+            'pretty_version' => '4.4.9',
+            'version' => '4.4.9.0',
+            'reference' => 'bf087fa1e93a1b7310e2d94d187e26ae51db199d',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../endroid/qr-code',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+        'wikimedia/less.php' => array(
+            'pretty_version' => 'v3.1.0',
+            'version' => '3.1.0.0',
+            'reference' => 'a486d78b9bd16b72f237fc6093aa56d69ce8bd13',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../wikimedia/less.php',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+    ),
+);
diff --git a/vendor/composer/platform_check.php b/vendor/composer/platform_check.php
new file mode 100755
index 0000000..580fa96
--- /dev/null
+++ b/vendor/composer/platform_check.php
@@ -0,0 +1,26 @@
+<?php
+
+// platform_check.php @generated by Composer
+
+$issues = array();
+
+if (!(PHP_VERSION_ID >= 70400)) {
+    $issues[] = 'Your Composer dependencies require a PHP version ">= 7.4.0". You are running ' . PHP_VERSION . '.';
+}
+
+if ($issues) {
+    if (!headers_sent()) {
+        header('HTTP/1.1 500 Internal Server Error');
+    }
+    if (!ini_get('display_errors')) {
+        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
+            fwrite(STDERR, 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . implode(PHP_EOL, $issues) . PHP_EOL.PHP_EOL);
+        } elseif (!headers_sent()) {
+            echo 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . str_replace('You are running '.PHP_VERSION.'.', '', implode(PHP_EOL, $issues)) . PHP_EOL.PHP_EOL;
+        }
+    }
+    trigger_error(
+        'Composer detected issues in your platform: ' . implode(' ', $issues),
+        E_USER_ERROR
+    );
+}
diff --git a/vendor/dasprid/enum/LICENSE b/vendor/dasprid/enum/LICENSE
new file mode 100755
index 0000000..d45a356
--- /dev/null
+++ b/vendor/dasprid/enum/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2017, Ben Scholzen 'DASPRiD'
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/dasprid/enum/README.md b/vendor/dasprid/enum/README.md
new file mode 100755
index 0000000..9e9ca12
--- /dev/null
+++ b/vendor/dasprid/enum/README.md
@@ -0,0 +1,164 @@
+# PHP 7.1 enums
+
+[![Build Status](https://travis-ci.org/DASPRiD/Enum.svg?branch=master)](https://travis-ci.org/DASPRiD/Enum)
+[![Coverage Status](https://coveralls.io/repos/github/DASPRiD/Enum/badge.svg?branch=master)](https://coveralls.io/github/DASPRiD/Enum?branch=master)
+[![Latest Stable Version](https://poser.pugx.org/dasprid/enum/v/stable)](https://packagist.org/packages/dasprid/enum)
+[![Total Downloads](https://poser.pugx.org/dasprid/enum/downloads)](https://packagist.org/packages/dasprid/enum)
+[![License](https://poser.pugx.org/dasprid/enum/license)](https://packagist.org/packages/dasprid/enum)
+
+It is a well known fact that PHP is missing a basic enum type, ignoring the rather incomplete `SplEnum` implementation
+which is only available as a PECL extension. There are also quite a few other userland enum implementations around,
+but all of them have one or another compromise. This library tries to close that gap as far as PHP allows it to.
+
+## Usage
+
+### Basics
+
+At its core, there is the `DASPRiD\Enum\AbstractEnum` class, which by default will work with constants like any other
+enum implementation you might know. The first clear difference is that you should define all the constants as protected
+(so nobody outside your class can read them but the `AbstractEnum` can still do so). The other even mightier difference
+is that, for simple enums, the value of the constant doesn't matter at all. Let's have a look at a simple example:
+
+```php
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * @method static self MONDAY()
+ * @method static self TUESDAY()
+ * @method static self WEDNESDAY()
+ * @method static self THURSDAY()
+ * @method static self FRIDAY()
+ * @method static self SATURDAY()
+ * @method static self SUNDAY()
+ */
+final class WeekDay extends AbstractEnum
+{
+    protected const MONDAY = null;
+    protected const TUESDAY = null;
+    protected const WEDNESDAY = null;
+    protected const THURSDAY = null;
+    protected const FRIDAY = null;
+    protected const SATURDAY = null;
+    protected const SUNDAY = null;
+}
+``` 
+
+If you need to provide constants for either internal use or public use, you can mark them as either private or public,
+in which case they will be ignored by the enum, which only considers protected constants as valid values. As you can
+see, we specifically defined the generated magic methods in a class level doc block, so anyone using this class will
+automatically have proper auto-completion in their IDE. Now since you have defined the enum, you can simply use it like
+that:
+
+```php
+function tellItLikeItIs(WeekDay $weekDay)
+{
+    switch ($weekDay) {
+        case WeekDay::MONDAY():
+            echo 'Mondays are bad.';
+            break;
+            
+        case WeekDay::FRIDAY():
+            echo 'Fridays are better.';
+            break;
+            
+        case WeekDay::SATURDAY():
+        case WeekDay::SUNDAY():
+            echo 'Weekends are best.';
+            break;
+            
+        default:
+            echo 'Midweek days are so-so.';
+    }
+}
+
+tellItLikeItIs(WeekDay::MONDAY());
+tellItLikeItIs(WeekDay::WEDNESDAY());
+tellItLikeItIs(WeekDay::FRIDAY());
+tellItLikeItIs(WeekDay::SATURDAY());
+tellItLikeItIs(WeekDay::SUNDAY());
+```
+
+### More complex example
+
+Of course, all enums are singletons, which are not cloneable or serializable. Thus you can be sure that there is always
+just one instance of the same type. Of course, the values of constants are not completely useless, let's have a look at
+a more complex example:
+
+```php
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * @method static self MERCURY()
+ * @method static self VENUS()
+ * @method static self EARTH()
+ * @method static self MARS()
+ * @method static self JUPITER()
+ * @method static self SATURN()
+ * @method static self URANUS()
+ * @method static self NEPTUNE()
+ */
+final class Planet extends AbstractEnum
+{
+    protected const MERCURY = [3.303e+23, 2.4397e6];
+    protected const VENUS = [4.869e+24, 6.0518e6];
+    protected const EARTH = [5.976e+24, 6.37814e6];
+    protected const MARS = [6.421e+23, 3.3972e6];
+    protected const JUPITER = [1.9e+27, 7.1492e7];
+    protected const SATURN = [5.688e+26, 6.0268e7];
+    protected const URANUS = [8.686e+25, 2.5559e7];
+    protected const NEPTUNE = [1.024e+26, 2.4746e7];
+    
+    /**
+     * Universal gravitational constant.
+     *
+     * @var float
+     */
+    private const G = 6.67300E-11;
+    
+    /**
+     * Mass in kilograms.
+     *
+     * @var float
+     */
+    private $mass;
+
+    /**
+     * Radius in meters.
+     *    
+     * @var float
+     */    
+    private $radius;
+    
+    protected function __construct(float $mass, float $radius)
+    {
+        $this->mass = $mass;
+        $this->radius = $radius;
+    }
+    
+    public function mass() : float
+    {
+        return $this->mass;
+    }
+    
+    public function radius() : float
+    {
+        return $this->radius; 
+    }
+    
+    public function surfaceGravity() : float
+    {
+        return self::G * $this->mass / ($this->radius * $this->radius);
+    }
+    
+    public function surfaceWeight(float $otherMass) : float
+    {
+        return $otherMass * $this->surfaceGravity();
+    }
+}
+
+$myMass = 80;
+
+foreach (Planet::values() as $planet) {
+    printf("Your weight on %s is %f\n", $planet, $planet->surfaceWeight($myMass));
+}
+```
diff --git a/vendor/dasprid/enum/composer.json b/vendor/dasprid/enum/composer.json
new file mode 100755
index 0000000..b3d745a
--- /dev/null
+++ b/vendor/dasprid/enum/composer.json
@@ -0,0 +1,31 @@
+{
+    "name": "dasprid/enum",
+    "description": "PHP 7.1 enum implementation",
+    "license": "BSD-2-Clause",
+    "authors": [
+        {
+            "name": "Ben Scholzen 'DASPRiD'",
+            "email": "mail@dasprids.de",
+            "homepage": "https://dasprids.de/",
+            "role": "Developer"
+        }
+    ],
+    "keywords": [
+        "enum",
+        "map"
+    ],
+    "require-dev": {
+        "phpunit/phpunit": "^7 | ^8 | ^9",
+        "squizlabs/php_codesniffer": "^3.4"
+    },
+    "autoload": {
+        "psr-4": {
+            "DASPRiD\\Enum\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "DASPRiD\\EnumTest\\": "test/"
+        }
+    }
+}
diff --git a/vendor/dasprid/enum/phpunit.xml.dist b/vendor/dasprid/enum/phpunit.xml.dist
new file mode 100755
index 0000000..307a430
--- /dev/null
+++ b/vendor/dasprid/enum/phpunit.xml.dist
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true">
+    <testsuites>
+        <testsuite name="DASPRiD\\Enum Tests">
+            <directory>./test</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/vendor/dasprid/enum/src/AbstractEnum.php b/vendor/dasprid/enum/src/AbstractEnum.php
new file mode 100755
index 0000000..79fe81c
--- /dev/null
+++ b/vendor/dasprid/enum/src/AbstractEnum.php
@@ -0,0 +1,241 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum;
+
+use DASPRiD\Enum\Exception\CloneNotSupportedException;
+use DASPRiD\Enum\Exception\IllegalArgumentException;
+use DASPRiD\Enum\Exception\MismatchException;
+use DASPRiD\Enum\Exception\SerializeNotSupportedException;
+use DASPRiD\Enum\Exception\UnserializeNotSupportedException;
+use ReflectionClass;
+
+abstract class AbstractEnum
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var int
+     */
+    private $ordinal;
+
+    /**
+     * @var array<string, array<string, static>>
+     */
+    private static $values = [];
+
+    /**
+     * @var array<string, bool>
+     */
+    private static $allValuesLoaded = [];
+
+    /**
+     * @var array<string, array>
+     */
+    private static $constants = [];
+
+    /**
+     * The constructor is private by default to avoid arbitrary enum creation.
+     *
+     * When creating your own constructor for a parameterized enum, make sure to declare it as protected, so that
+     * the static methods are able to construct it. Avoid making it public, as that would allow creation of
+     * non-singleton enum instances.
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * Magic getter which forwards all calls to {@see self::valueOf()}.
+     *
+     * @return static
+     */
+    final public static function __callStatic(string $name, array $arguments) : self
+    {
+        return static::valueOf($name);
+    }
+
+    /**
+     * Returns an enum with the specified name.
+     *
+     * The name must match exactly an identifier used to declare an enum in this type (extraneous whitespace characters
+     * are not permitted).
+     *
+     * @return static
+     * @throws IllegalArgumentException if the enum has no constant with the specified name
+     */
+    final public static function valueOf(string $name) : self
+    {
+        if (isset(self::$values[static::class][$name])) {
+            return self::$values[static::class][$name];
+        }
+
+        $constants = self::constants();
+
+        if (array_key_exists($name, $constants)) {
+            return self::createValue($name, $constants[$name][0], $constants[$name][1]);
+        }
+
+        throw new IllegalArgumentException(sprintf('No enum constant %s::%s', static::class, $name));
+    }
+
+    /**
+     * @return static
+     */
+    private static function createValue(string $name, int $ordinal, array $arguments) : self
+    {
+        $instance = new static(...$arguments);
+        $instance->name = $name;
+        $instance->ordinal = $ordinal;
+        self::$values[static::class][$name] = $instance;
+        return $instance;
+    }
+
+    /**
+     * Obtains all possible types defined by this enum.
+     *
+     * @return static[]
+     */
+    final public static function values() : array
+    {
+        if (isset(self::$allValuesLoaded[static::class])) {
+            return self::$values[static::class];
+        }
+
+        if (! isset(self::$values[static::class])) {
+            self::$values[static::class] = [];
+        }
+
+        foreach (self::constants() as $name => $constant) {
+            if (array_key_exists($name, self::$values[static::class])) {
+                continue;
+            }
+
+            static::createValue($name, $constant[0], $constant[1]);
+        }
+
+        uasort(self::$values[static::class], function (self $a, self $b) {
+            return $a->ordinal() <=> $b->ordinal();
+        });
+
+        self::$allValuesLoaded[static::class] = true;
+        return self::$values[static::class];
+    }
+
+    private static function constants() : array
+    {
+        if (isset(self::$constants[static::class])) {
+            return self::$constants[static::class];
+        }
+
+        self::$constants[static::class] = [];
+        $reflectionClass = new ReflectionClass(static::class);
+        $ordinal = -1;
+
+        foreach ($reflectionClass->getReflectionConstants() as $reflectionConstant) {
+            if (! $reflectionConstant->isProtected()) {
+                continue;
+            }
+
+            $value = $reflectionConstant->getValue();
+
+            self::$constants[static::class][$reflectionConstant->name] = [
+                ++$ordinal,
+                is_array($value) ? $value : []
+            ];
+        }
+
+        return self::$constants[static::class];
+    }
+
+    /**
+     * Returns the name of this enum constant, exactly as declared in its enum declaration.
+     *
+     * Most programmers should use the {@see self::__toString()} method in preference to this one, as the toString
+     * method may return a more user-friendly name. This method is designed primarily for use in specialized situations
+     * where correctness depends on getting the exact name, which will not vary from release to release.
+     */
+    final public function name() : string
+    {
+        return $this->name;
+    }
+
+    /**
+     * Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial
+     * constant is assigned an ordinal of zero).
+     *
+     * Most programmers will have no use for this method. It is designed for use by sophisticated enum-based data
+     * structures.
+     */
+    final public function ordinal() : int
+    {
+        return $this->ordinal;
+    }
+
+    /**
+     * Compares this enum with the specified object for order.
+     *
+     * Returns negative integer, zero or positive integer as this object is less than, equal to or greater than the
+     * specified object.
+     *
+     * Enums are only comparable to other enums of the same type. The natural order implemented by this method is the
+     * order in which the constants are declared.
+     *
+     * @throws MismatchException if the passed enum is not of the same type
+     */
+    final public function compareTo(self $other) : int
+    {
+        if (! $other instanceof static) {
+            throw new MismatchException(sprintf(
+                'The passed enum %s is not of the same type as %s',
+                get_class($other),
+                static::class
+            ));
+        }
+
+        return $this->ordinal - $other->ordinal;
+    }
+
+    /**
+     * Forbid cloning enums.
+     *
+     * @throws CloneNotSupportedException
+     */
+    final public function __clone()
+    {
+        throw new CloneNotSupportedException();
+    }
+
+    /**
+     * Forbid serializing enums.
+     *
+     * @throws SerializeNotSupportedException
+     */
+    final public function __sleep() : array
+    {
+        throw new SerializeNotSupportedException();
+    }
+
+    /**
+     * Forbid unserializing enums.
+     *
+     * @throws UnserializeNotSupportedException
+     */
+    final public function __wakeup() : void
+    {
+        throw new UnserializeNotSupportedException();
+    }
+
+    /**
+     * Turns the enum into a string representation.
+     *
+     * You may override this method to give a more user-friendly version.
+     */
+    public function __toString() : string
+    {
+        return $this->name;
+    }
+}
diff --git a/vendor/dasprid/enum/src/EnumMap.php b/vendor/dasprid/enum/src/EnumMap.php
new file mode 100755
index 0000000..77c5f35
--- /dev/null
+++ b/vendor/dasprid/enum/src/EnumMap.php
@@ -0,0 +1,375 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum;
+
+use DASPRiD\Enum\Exception\ExpectationException;
+use DASPRiD\Enum\Exception\IllegalArgumentException;
+use IteratorAggregate;
+use Serializable;
+use Traversable;
+
+/**
+ * A specialized map implementation for use with enum type keys.
+ *
+ * All of the keys in an enum map must come from a single enum type that is specified, when the map is created. Enum
+ * maps are represented internally as arrays. This representation is extremely compact and efficient.
+ *
+ * Enum maps are maintained in the natural order of their keys (the order in which the enum constants are declared).
+ * This is reflected in the iterators returned by the collection views {@see self::getIterator()} and
+ * {@see self::values()}.
+ *
+ * Iterators returned by the collection views are not consistent: They may or may not show the effects of modifications
+ * to the map that occur while the iteration is in progress.
+ */
+final class EnumMap implements Serializable, IteratorAggregate
+{
+    /**
+     * The class name of the key.
+     *
+     * @var string
+     */
+    private $keyType;
+
+    /**
+     * The type of the value.
+     *
+     * @var string
+     */
+    private $valueType;
+
+    /**
+     * @var bool
+     */
+    private $allowNullValues;
+
+    /**
+     * All of the constants comprising the enum, cached for performance.
+     *
+     * @var array<int, AbstractEnum>
+     */
+    private $keyUniverse;
+
+    /**
+     * Array representation of this map. The ith element is the value to which universe[i] is currently mapped, or null
+     * if it isn't mapped to anything, or NullValue if it's mapped to null.
+     *
+     * @var array<int, mixed>
+     */
+    private $values;
+
+    /**
+     * @var int
+     */
+    private $size = 0;
+
+    /**
+     * Creates a new enum map.
+     *
+     * @param string $keyType the type of the keys, must extend AbstractEnum
+     * @param string $valueType the type of the values
+     * @param bool $allowNullValues whether to allow null values
+     * @throws IllegalArgumentException when key type does not extend AbstractEnum
+     */
+    public function __construct(string $keyType, string $valueType, bool $allowNullValues)
+    {
+        if (! is_subclass_of($keyType, AbstractEnum::class)) {
+            throw new IllegalArgumentException(sprintf(
+                'Class %s does not extend %s',
+                $keyType,
+                AbstractEnum::class
+            ));
+        }
+
+        $this->keyType = $keyType;
+        $this->valueType = $valueType;
+        $this->allowNullValues = $allowNullValues;
+        $this->keyUniverse = $keyType::values();
+        $this->values = array_fill(0, count($this->keyUniverse), null);
+    }
+
+    /**
+     * Checks whether the map types match the supplied ones.
+     *
+     * You should call this method when an EnumMap is passed to you and you want to ensure that it's made up of the
+     * correct types.
+     *
+     * @throws ExpectationException when supplied key type mismatches local key type
+     * @throws ExpectationException when supplied value type mismatches local value type
+     * @throws ExpectationException when the supplied map allows null values, abut should not
+     */
+    public function expect(string $keyType, string $valueType, bool $allowNullValues) : void
+    {
+        if ($keyType !== $this->keyType) {
+            throw new ExpectationException(sprintf(
+                'Callee expected an EnumMap with key type %s, but got %s',
+                $keyType,
+                $this->keyType
+            ));
+        }
+
+        if ($valueType !== $this->valueType) {
+            throw new ExpectationException(sprintf(
+                'Callee expected an EnumMap with value type %s, but got %s',
+                $keyType,
+                $this->keyType
+            ));
+        }
+
+        if ($allowNullValues !== $this->allowNullValues) {
+            throw new ExpectationException(sprintf(
+                'Callee expected an EnumMap with nullable flag %s, but got %s',
+                ($allowNullValues ? 'true' : 'false'),
+                ($this->allowNullValues ? 'true' : 'false')
+            ));
+        }
+    }
+
+    /**
+     * Returns the number of key-value mappings in this map.
+     */
+    public function size() : int
+    {
+        return $this->size;
+    }
+
+    /**
+     * Returns true if this map maps one or more keys to the specified value.
+     */
+    public function containsValue($value) : bool
+    {
+        return in_array($this->maskNull($value), $this->values, true);
+    }
+
+    /**
+     * Returns true if this map contains a mapping for the specified key.
+     */
+    public function containsKey(AbstractEnum $key) : bool
+    {
+        $this->checkKeyType($key);
+        return null !== $this->values[$key->ordinal()];
+    }
+
+    /**
+     * Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
+     *
+     * More formally, if this map contains a mapping from a key to a value, then this method returns the value;
+     * otherwise it returns null (there can be at most one such mapping).
+     *
+     * A return value of null does not necessarily indicate that the map contains no mapping for the key; it's also
+     * possible that hte map explicitly maps the key to null. The {@see self::containsKey()} operation may be used to
+     * distinguish these two cases.
+     *
+     * @return mixed
+     */
+    public function get(AbstractEnum $key)
+    {
+        $this->checkKeyType($key);
+        return $this->unmaskNull($this->values[$key->ordinal()]);
+    }
+
+    /**
+     * Associates the specified value with the specified key in this map.
+     *
+     * If the map previously contained a mapping for this key, the old value is replaced.
+     *
+     * @return mixed the previous value associated with the specified key, or null if there was no mapping for the key.
+     *               (a null return can also indicate that the map previously associated null with the specified key.)
+     * @throws IllegalArgumentException when the passed values does not match the internal value type
+     */
+    public function put(AbstractEnum $key, $value)
+    {
+        $this->checkKeyType($key);
+
+        if (! $this->isValidValue($value)) {
+            throw new IllegalArgumentException(sprintf('Value is not of type %s', $this->valueType));
+        }
+
+        $index = $key->ordinal();
+        $oldValue = $this->values[$index];
+        $this->values[$index] = $this->maskNull($value);
+
+        if (null === $oldValue) {
+            ++$this->size;
+        }
+
+        return $this->unmaskNull($oldValue);
+    }
+
+    /**
+     * Removes the mapping for this key frm this map if present.
+     *
+     * @return mixed the previous value associated with the specified key, or null if there was no mapping for the key.
+     *               (a null return can also indicate that the map previously associated null with the specified key.)
+     */
+    public function remove(AbstractEnum $key)
+    {
+        $this->checkKeyType($key);
+
+        $index = $key->ordinal();
+        $oldValue = $this->values[$index];
+        $this->values[$index] = null;
+
+        if (null !== $oldValue) {
+            --$this->size;
+        }
+
+        return $this->unmaskNull($oldValue);
+    }
+
+    /**
+     * Removes all mappings from this map.
+     */
+    public function clear() : void
+    {
+        $this->values = array_fill(0, count($this->keyUniverse), null);
+        $this->size = 0;
+    }
+
+    /**
+     * Compares the specified map with this map for quality.
+     *
+     * Returns true if the two maps represent the same mappings.
+     */
+    public function equals(self $other) : bool
+    {
+        if ($this === $other) {
+            return true;
+        }
+
+        if ($this->size !== $other->size) {
+            return false;
+        }
+
+        return $this->values === $other->values;
+    }
+
+    /**
+     * Returns the values contained in this map.
+     *
+     * The array will contain the values in the order their corresponding keys appear in the map, which is their natural
+     * order (the order in which the num constants are declared).
+     */
+    public function values() : array
+    {
+        return array_values(array_map(function ($value) {
+            return $this->unmaskNull($value);
+        }, array_filter($this->values, function ($value) : bool {
+            return null !== $value;
+        })));
+    }
+
+    public function serialize() : string
+    {
+        $values = [];
+
+        foreach ($this->values as $ordinal => $value) {
+            if (null === $value) {
+                continue;
+            }
+
+            $values[$ordinal] = $this->unmaskNull($value);
+        }
+
+        return serialize([
+            'keyType' => $this->keyType,
+            'valueType' => $this->valueType,
+            'allowNullValues' => $this->allowNullValues,
+            'values' => $values,
+        ]);
+    }
+
+    public function unserialize($serialized) : void
+    {
+        $data = unserialize($serialized);
+        $this->__construct($data['keyType'], $data['valueType'], $data['allowNullValues']);
+
+        foreach ($this->keyUniverse as $key) {
+            if (array_key_exists($key->ordinal(), $data['values'])) {
+                $this->put($key, $data['values'][$key->ordinal()]);
+            }
+        }
+    }
+
+    public function getIterator() : Traversable
+    {
+        foreach ($this->keyUniverse as $key) {
+            if (null === $this->values[$key->ordinal()]) {
+                continue;
+            }
+
+            yield $key => $this->unmaskNull($this->values[$key->ordinal()]);
+        }
+    }
+
+    private function maskNull($value)
+    {
+        if (null === $value) {
+            return NullValue::instance();
+        }
+
+        return $value;
+    }
+
+    private function unmaskNull($value)
+    {
+        if ($value instanceof NullValue) {
+            return null;
+        }
+
+        return $value;
+    }
+
+    /**
+     * @throws IllegalArgumentException when the passed key does not match the internal key type
+     */
+    private function checkKeyType(AbstractEnum $key) : void
+    {
+        if (get_class($key) !== $this->keyType) {
+            throw new IllegalArgumentException(sprintf(
+                'Object of type %s is not the same type as %s',
+                get_class($key),
+                $this->keyType
+            ));
+        }
+    }
+
+    private function isValidValue($value) : bool
+    {
+        if (null === $value) {
+            if ($this->allowNullValues) {
+                return true;
+            }
+
+            return false;
+        }
+
+        switch ($this->valueType) {
+            case 'mixed':
+                return true;
+
+            case 'bool':
+            case 'boolean':
+                return is_bool($value);
+
+            case 'int':
+            case 'integer':
+                return is_int($value);
+
+            case 'float':
+            case 'double':
+                return is_float($value);
+
+            case 'string':
+                return is_string($value);
+
+            case 'object':
+                return is_object($value);
+
+            case 'array':
+                return is_array($value);
+        }
+
+        return $value instanceof $this->valueType;
+    }
+}
diff --git a/vendor/dasprid/enum/src/Exception/CloneNotSupportedException.php b/vendor/dasprid/enum/src/Exception/CloneNotSupportedException.php
new file mode 100755
index 0000000..4b37dbe
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/CloneNotSupportedException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class CloneNotSupportedException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/ExceptionInterface.php b/vendor/dasprid/enum/src/Exception/ExceptionInterface.php
new file mode 100755
index 0000000..16a6005
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/ExceptionInterface.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Throwable;
+
+interface ExceptionInterface extends Throwable
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/ExpectationException.php b/vendor/dasprid/enum/src/Exception/ExpectationException.php
new file mode 100755
index 0000000..bddfc90
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/ExpectationException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class ExpectationException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/IllegalArgumentException.php b/vendor/dasprid/enum/src/Exception/IllegalArgumentException.php
new file mode 100755
index 0000000..72b8f73
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/IllegalArgumentException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class IllegalArgumentException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/MismatchException.php b/vendor/dasprid/enum/src/Exception/MismatchException.php
new file mode 100755
index 0000000..1ca87d5
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/MismatchException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class MismatchException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/SerializeNotSupportedException.php b/vendor/dasprid/enum/src/Exception/SerializeNotSupportedException.php
new file mode 100755
index 0000000..8997a7e
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/SerializeNotSupportedException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class SerializeNotSupportedException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/Exception/UnserializeNotSupportedException.php b/vendor/dasprid/enum/src/Exception/UnserializeNotSupportedException.php
new file mode 100755
index 0000000..13b0b49
--- /dev/null
+++ b/vendor/dasprid/enum/src/Exception/UnserializeNotSupportedException.php
@@ -0,0 +1,10 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum\Exception;
+
+use Exception;
+
+final class UnserializeNotSupportedException extends Exception implements ExceptionInterface
+{
+}
diff --git a/vendor/dasprid/enum/src/NullValue.php b/vendor/dasprid/enum/src/NullValue.php
new file mode 100755
index 0000000..aff7608
--- /dev/null
+++ b/vendor/dasprid/enum/src/NullValue.php
@@ -0,0 +1,55 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\Enum;
+
+use DASPRiD\Enum\Exception\CloneNotSupportedException;
+use DASPRiD\Enum\Exception\SerializeNotSupportedException;
+use DASPRiD\Enum\Exception\UnserializeNotSupportedException;
+
+final class NullValue
+{
+    /**
+     * @var self
+     */
+    private static $instance;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance() : self
+    {
+        return self::$instance ?: self::$instance = new self();
+    }
+
+    /**
+     * Forbid cloning enums.
+     *
+     * @throws CloneNotSupportedException
+     */
+    final public function __clone()
+    {
+        throw new CloneNotSupportedException();
+    }
+
+    /**
+     * Forbid serializing enums.
+     *
+     * @throws SerializeNotSupportedException
+     */
+    final public function __sleep() : array
+    {
+        throw new SerializeNotSupportedException();
+    }
+
+    /**
+     * Forbid unserializing enums.
+     *
+     * @throws UnserializeNotSupportedException
+     */
+    final public function __wakeup() : void
+    {
+        throw new UnserializeNotSupportedException();
+    }
+}
diff --git a/vendor/dasprid/enum/test/AbstractEnumTest.php b/vendor/dasprid/enum/test/AbstractEnumTest.php
new file mode 100755
index 0000000..58ca913
--- /dev/null
+++ b/vendor/dasprid/enum/test/AbstractEnumTest.php
@@ -0,0 +1,121 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\EnumTest;
+
+use DASPRiD\Enum\AbstractEnum;
+use DASPRiD\Enum\Exception\CloneNotSupportedException;
+use DASPRiD\Enum\Exception\IllegalArgumentException;
+use DASPRiD\Enum\Exception\MismatchException;
+use DASPRiD\Enum\Exception\SerializeNotSupportedException;
+use DASPRiD\Enum\Exception\UnserializeNotSupportedException;
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+
+final class AbstractEnumTest extends TestCase
+{
+    public function setUp(): void
+    {
+        $reflectionClass = new ReflectionClass(AbstractEnum::class);
+
+        $constantsProperty = $reflectionClass->getProperty('constants');
+        $constantsProperty->setAccessible(true);
+        $constantsProperty->setValue([]);
+
+        $valuesProperty = $reflectionClass->getProperty('values');
+        $valuesProperty->setAccessible(true);
+        $valuesProperty->setValue([]);
+
+        $allValuesLoadedProperty = $reflectionClass->getProperty('allValuesLoaded');
+        $allValuesLoadedProperty->setAccessible(true);
+        $allValuesLoadedProperty->setValue([]);
+    }
+
+    public function testToString() : void
+    {
+        $weekday = WeekDay::FRIDAY();
+        self::assertSame('FRIDAY', (string) $weekday);
+    }
+
+    public function testName() : void
+    {
+        $this->assertSame('WEDNESDAY', WeekDay::WEDNESDAY()->name());
+    }
+
+    public function testOrdinal() : void
+    {
+        $this->assertSame(2, WeekDay::WEDNESDAY()->ordinal());
+    }
+
+    public function testSameInstanceIsReturned() : void
+    {
+        self::assertSame(WeekDay::FRIDAY(), WeekDay::FRIDAY());
+    }
+
+    public static function testValueOf() : void
+    {
+        self::assertSame(WeekDay::FRIDAY(), WeekDay::valueOf('FRIDAY'));
+    }
+
+    public function testValueOfInvalidConstant() : void
+    {
+        $this->expectException(IllegalArgumentException::class);
+        WeekDay::valueOf('CATURDAY');
+    }
+
+    public function testExceptionOnCloneAttempt() : void
+    {
+        $this->expectException(CloneNotSupportedException::class);
+        clone WeekDay::FRIDAY();
+    }
+
+    public function testExceptionOnSerializeAttempt() : void
+    {
+        $this->expectException(SerializeNotSupportedException::class);
+        serialize(WeekDay::FRIDAY());
+    }
+
+    public function testExceptionOnUnserializeAttempt() : void
+    {
+        $this->expectException(UnserializeNotSupportedException::class);
+        unserialize('O:24:"DASPRiD\\EnumTest\\WeekDay":0:{}');
+    }
+
+    public function testReturnValueOfValuesIsSortedByOrdinal() : void
+    {
+        // Initialize some week days out of order
+        WeekDay::SATURDAY();
+        WeekDay::TUESDAY();
+
+        $ordinals = array_values(array_map(function (WeekDay $weekDay) : int {
+            return $weekDay->ordinal();
+        }, WeekDay::values()));
+
+        self::assertSame([0, 1, 2, 3, 4, 5, 6], $ordinals);
+
+        $cachedOrdinals = array_values(array_map(function (WeekDay $weekDay) : int {
+            return $weekDay->ordinal();
+        }, WeekDay::values()));
+        $this->assertSame($ordinals, $cachedOrdinals);
+    }
+
+    public function testCompareTo() : void
+    {
+        $this->assertSame(-4, WeekDay::WEDNESDAY()->compareTo(WeekDay::SUNDAY()));
+        $this->assertSame(4, WeekDay::SUNDAY()->compareTo(WeekDay::WEDNESDAY()));
+        $this->assertSame(0, WeekDay::WEDNESDAY()->compareTo(WeekDay::WEDNESDAY()));
+    }
+
+    public function testCompareToWrongEnum() : void
+    {
+        $this->expectException(MismatchException::class);
+        WeekDay::MONDAY()->compareTo(Planet::EARTH());
+    }
+
+    public function testParameterizedEnum() : void
+    {
+        $planet = Planet::EARTH();
+        $this->assertSame(5.976e+24, $planet->mass());
+        $this->assertSame(6.37814e6, $planet->radius());
+    }
+}
diff --git a/vendor/dasprid/enum/test/EnumMapTest.php b/vendor/dasprid/enum/test/EnumMapTest.php
new file mode 100755
index 0000000..d51a86c
--- /dev/null
+++ b/vendor/dasprid/enum/test/EnumMapTest.php
@@ -0,0 +1,243 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\EnumTest;
+
+use DASPRiD\Enum\EnumMap;
+use DASPRiD\Enum\Exception\ExpectationException;
+use DASPRiD\Enum\Exception\IllegalArgumentException;
+use PHPUnit\Framework\TestCase;
+use stdClass;
+
+final class EnumMapTest extends TestCase
+{
+    public function testConstructionWithInvalidEnumType() : void
+    {
+        $this->expectException(IllegalArgumentException::class);
+        new EnumMap(stdClass::class, 'string', false);
+    }
+
+    public function testUnexpectedKeyType() : void
+    {
+        $this->expectException(ExpectationException::class);
+        $map = new EnumMap(WeekDay::class, 'string', false);
+        $map->expect(Planet::class, 'string', false);
+    }
+
+    public function testUnexpectedValueType() : void
+    {
+        $this->expectException(ExpectationException::class);
+        $map = new EnumMap(WeekDay::class, 'string', false);
+        $map->expect(WeekDay::class, 'int', false);
+    }
+
+    public function testUnexpectedNullableValueType() : void
+    {
+        $this->expectException(ExpectationException::class);
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->expect(WeekDay::class, 'string', false);
+    }
+
+    public function testExpectedTypes() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->expect(WeekDay::class, 'string', true);
+        $this->addToAssertionCount(1);
+    }
+
+    public function testSize() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $this->assertSame(0, $map->size());
+        $map->put(WeekDay::MONDAY(), 'foo');
+        $this->assertSame(1, $map->size());
+    }
+
+    public function testContainsValue() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $this->assertFalse($map->containsValue('foo'));
+        $map->put(WeekDay::TUESDAY(), 'foo');
+        $this->assertTrue($map->containsValue('foo'));
+        $this->assertFalse($map->containsValue(null));
+        $map->put(WeekDay::WEDNESDAY(), null);
+        $this->assertTrue($map->containsValue(null));
+    }
+
+    public function testContainsKey() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $this->assertFalse($map->containsKey(WeekDay::TUESDAY()));
+        $map->put(WeekDay::TUESDAY(), 'foo');
+        $this->assertTrue($map->containsKey(WeekDay::TUESDAY()));
+        $map->put(WeekDay::WEDNESDAY(), null);
+        $this->assertTrue($map->containsKey(WeekDay::WEDNESDAY()));
+    }
+
+    public function testPutAndGet() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->put(WeekDay::TUESDAY(), 'foo');
+        $map->put(WeekDay::FRIDAY(), null);
+        $this->assertSame('foo', $map->get(WeekDay::TUESDAY()));
+        $this->assertSame(null, $map->get(WeekDay::WEDNESDAY()));
+        $this->assertSame(null, $map->get(WeekDay::FRIDAY()));
+    }
+
+    public function testPutInvalidKey() : void
+    {
+        $this->expectException(IllegalArgumentException::class);
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->put(Planet::MARS(), 'foo');
+    }
+
+    public function invalidValues() : array
+    {
+        return [
+            ['bool', null, false],
+            ['bool', 0],
+            ['boolean', 0],
+            ['int', 2.4],
+            ['integer', 5.3],
+            ['float', 3],
+            ['double', 7],
+            ['string', 1],
+            ['object', 1],
+            ['array', 1],
+            [stdClass::class, 1],
+        ];
+    }
+
+    /**
+     * @dataProvider invalidValues
+     * @param mixed $value
+     */
+    public function testPutInvalidValue(string $valueType, $value, bool $allowNull = true) : void
+    {
+        $this->expectException(IllegalArgumentException::class);
+        $map = new EnumMap(WeekDay::class, $valueType, $allowNull);
+        $map->put(WeekDay::TUESDAY(), $value);
+    }
+
+    public function validValues() : array
+    {
+        return [
+            ['bool', null],
+            ['mixed', 'foo'],
+            ['mixed', 1],
+            ['mixed', new stdClass()],
+            ['bool', true],
+            ['boolean', false],
+            ['int', 1],
+            ['integer', 4],
+            ['float', 2.5],
+            ['double', 6.4],
+            ['string', 'foo'],
+            ['object', new stdClass()],
+            ['array', ['foo']],
+            [stdClass::class, new stdClass()],
+        ];
+    }
+
+    /**
+     * @dataProvider validValues
+     * @param mixed $value
+     */
+    public function testPutValidValue(string $valueType, $value, bool $allowNull = true) : void
+    {
+        $map = new EnumMap(WeekDay::class, $valueType, $allowNull);
+        $map->put(WeekDay::TUESDAY(), $value);
+        $this->addToAssertionCount(1);
+    }
+
+    public function testRemove() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->put(WeekDay::TUESDAY(), 'foo');
+        $map->remove(WeekDay::TUESDAY());
+        $map->remove(WeekDay::WEDNESDAY());
+        $this->assertSame(null, $map->get(WeekDay::TUESDAY()));
+        $this->assertSame(0, $map->size());
+    }
+
+    public function testClear() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->put(WeekDay::TUESDAY(), 'foo');
+        $map->clear();
+        $this->assertSame(null, $map->get(WeekDay::TUESDAY()));
+        $this->assertSame(0, $map->size());
+    }
+
+    public function testEqualsWithSameInstance() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $this->assertTrue($map->equals($map));
+    }
+
+    public function testEqualsWithDifferentSize() : void
+    {
+        $mapA = new EnumMap(WeekDay::class, 'string', true);
+        $mapB = new EnumMap(WeekDay::class, 'string', true);
+        $mapB->put(WeekDay::MONDAY(), 'foo');
+
+        $this->assertFalse($mapA->equals($mapB));
+    }
+
+    public function testEqualsWithDifferentValues() : void
+    {
+        $mapA = new EnumMap(WeekDay::class, 'string', true);
+        $mapA->put(WeekDay::MONDAY(), 'foo');
+        $mapB = new EnumMap(WeekDay::class, 'string', true);
+        $mapB->put(WeekDay::MONDAY(), 'bar');
+
+        $this->assertFalse($mapA->equals($mapB));
+    }
+
+    public function testEqualsWithDifferentConstants() : void
+    {
+        $mapA = new EnumMap(WeekDay::class, 'string', true);
+        $mapA->put(WeekDay::MONDAY(), 'foo');
+        $mapB = new EnumMap(WeekDay::class, 'string', true);
+        $mapB->put(WeekDay::TUESDAY(), 'foo');
+
+        $this->assertFalse($mapA->equals($mapB));
+    }
+
+    public function testValues() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $this->assertSame([], $map->values());
+
+        $map->put(WeekDay::FRIDAY(), 'foo');
+        $map->put(WeekDay::TUESDAY(), 'bar');
+        $map->put(WeekDay::SUNDAY(), null);
+
+        $this->assertSame(['bar', 'foo', null], $map->values());
+    }
+
+    public function testSerializeAndUnserialize() : void
+    {
+        $mapA = new EnumMap(WeekDay::class, 'string', true);
+        $mapA->put(WeekDay::MONDAY(), 'foo');
+        $mapB = unserialize(serialize($mapA));
+
+        $this->assertTrue($mapA->equals($mapB));
+    }
+
+    public function testIterator() : void
+    {
+        $map = new EnumMap(WeekDay::class, 'string', true);
+        $map->put(WeekDay::FRIDAY(), 'foo');
+        $map->put(WeekDay::TUESDAY(), 'bar');
+        $map->put(WeekDay::SUNDAY(), null);
+
+        $result = [];
+
+        foreach ($map as $key => $value) {
+            $result[$key->ordinal()] = $value;
+        }
+
+        $this->assertSame([1 => 'bar', 4 => 'foo', 6 => null], $result);
+    }
+}
diff --git a/vendor/dasprid/enum/test/NullValueTest.php b/vendor/dasprid/enum/test/NullValueTest.php
new file mode 100755
index 0000000..9f70640
--- /dev/null
+++ b/vendor/dasprid/enum/test/NullValueTest.php
@@ -0,0 +1,31 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\EnumTest;
+
+use DASPRiD\Enum\Exception\CloneNotSupportedException;
+use DASPRiD\Enum\Exception\SerializeNotSupportedException;
+use DASPRiD\Enum\Exception\UnserializeNotSupportedException;
+use DASPRiD\Enum\NullValue;
+use PHPUnit\Framework\TestCase;
+
+final class NullValueTest extends TestCase
+{
+    public function testExceptionOnCloneAttempt() : void
+    {
+        $this->expectException(CloneNotSupportedException::class);
+        clone NullValue::instance();
+    }
+
+    public function testExceptionOnSerializeAttempt() : void
+    {
+        $this->expectException(SerializeNotSupportedException::class);
+        serialize(NullValue::instance());
+    }
+
+    public function testExceptionOnUnserializeAttempt() : void
+    {
+        $this->expectException(UnserializeNotSupportedException::class);
+        unserialize('O:22:"DASPRiD\\Enum\\NullValue":0:{}');
+    }
+}
diff --git a/vendor/dasprid/enum/test/Planet.php b/vendor/dasprid/enum/test/Planet.php
new file mode 100755
index 0000000..3c44c1d
--- /dev/null
+++ b/vendor/dasprid/enum/test/Planet.php
@@ -0,0 +1,73 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\EnumTest;
+
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * @method static self MERCURY()
+ * @method static self VENUS()
+ * @method static self EARTH()
+ * @method static self MARS()
+ * @method static self JUPITER()
+ * @method static self SATURN()
+ * @method static self URANUS()
+ * @method static self NEPTUNE()
+ */
+final class Planet extends AbstractEnum
+{
+    protected const MERCURY = [3.303e+23, 2.4397e6];
+    protected const VENUS = [4.869e+24, 6.0518e6];
+    protected const EARTH = [5.976e+24, 6.37814e6];
+    protected const MARS = [6.421e+23, 3.3972e6];
+    protected const JUPITER = [1.9e+27, 7.1492e7];
+    protected const SATURN = [5.688e+26, 6.0268e7];
+    protected const URANUS = [8.686e+25, 2.5559e7];
+    protected const NEPTUNE = [1.024e+26, 2.4746e7];
+
+    /**
+     * Universal gravitational constant.
+     */
+    private const G = 6.67300E-11;
+
+    /**
+     * Mass in kilograms.
+     *
+     * @var float
+     */
+    private $mass;
+
+    /**
+     * Radius in meters.
+     *
+     * @var float
+     */
+    private $radius;
+
+    protected function __construct(float $mass, float $radius)
+    {
+        $this->mass = $mass;
+        $this->radius = $radius;
+    }
+
+    public function mass() : float
+    {
+        return $this->mass;
+    }
+
+    public function radius() : float
+    {
+        return $this->radius;
+    }
+
+    public function surfaceGravity() : float
+    {
+        return self::G * $this->mass / ($this->radius * $this->radius);
+    }
+
+    public function surfaceWeight(float $otherMass) : float
+    {
+        return $otherMass * $this->surfaceGravity();
+    }
+}
diff --git a/vendor/dasprid/enum/test/WeekDay.php b/vendor/dasprid/enum/test/WeekDay.php
new file mode 100755
index 0000000..70b8db5
--- /dev/null
+++ b/vendor/dasprid/enum/test/WeekDay.php
@@ -0,0 +1,26 @@
+<?php
+declare(strict_types = 1);
+
+namespace DASPRiD\EnumTest;
+
+use DASPRiD\Enum\AbstractEnum;
+
+/**
+ * @method static self MONDAY()
+ * @method static self TUESDAY()
+ * @method static self WEDNESDAY()
+ * @method static self THURSDAY()
+ * @method static self FRIDAY()
+ * @method static self SATURDAY()
+ * @method static self SUNDAY()
+ */
+final class WeekDay extends AbstractEnum
+{
+    protected const MONDAY = null;
+    protected const TUESDAY = null;
+    protected const WEDNESDAY = null;
+    protected const THURSDAY = null;
+    protected const FRIDAY = null;
+    protected const SATURDAY = null;
+    protected const SUNDAY = null;
+}
diff --git a/vendor/endroid/qr-code/.gitattributes b/vendor/endroid/qr-code/.gitattributes
new file mode 100755
index 0000000..dbc5d83
--- /dev/null
+++ b/vendor/endroid/qr-code/.gitattributes
@@ -0,0 +1,2 @@
+/.github/workflows/ export-ignore
+/tests/ export-ignore
diff --git a/vendor/endroid/qr-code/.github/FUNDING.yml b/vendor/endroid/qr-code/.github/FUNDING.yml
new file mode 100755
index 0000000..7c0cb54
--- /dev/null
+++ b/vendor/endroid/qr-code/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: endroid
diff --git a/vendor/endroid/qr-code/.gitignore b/vendor/endroid/qr-code/.gitignore
new file mode 100755
index 0000000..7ccd6d1
--- /dev/null
+++ b/vendor/endroid/qr-code/.gitignore
@@ -0,0 +1,4 @@
+/composer
+/composer.lock
+/tests/coverage/
+/vendor/
diff --git a/vendor/endroid/qr-code/LICENSE b/vendor/endroid/qr-code/LICENSE
new file mode 100755
index 0000000..6d36c02
--- /dev/null
+++ b/vendor/endroid/qr-code/LICENSE
@@ -0,0 +1,19 @@
+Copyright 2020 (c) Jeroen van den Enden
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/vendor/endroid/qr-code/README.md b/vendor/endroid/qr-code/README.md
new file mode 100755
index 0000000..1d78681
--- /dev/null
+++ b/vendor/endroid/qr-code/README.md
@@ -0,0 +1,178 @@
+# QR Code
+
+*By [endroid](https://endroid.nl/)*
+
+[![Latest Stable Version](http://img.shields.io/packagist/v/endroid/qr-code.svg)](https://packagist.org/packages/endroid/qr-code)
+[![Build Status](https://github.com/endroid/qr-code/workflows/CI/badge.svg)](https://github.com/endroid/qr-code/actions)
+[![Total Downloads](http://img.shields.io/packagist/dt/endroid/qr-code.svg)](https://packagist.org/packages/endroid/qr-code)
+[![Monthly Downloads](http://img.shields.io/packagist/dm/endroid/qr-code.svg)](https://packagist.org/packages/endroid/qr-code)
+[![License](http://img.shields.io/packagist/l/endroid/qr-code.svg)](https://packagist.org/packages/endroid/qr-code)
+
+This library helps you generate QR codes in a jiffy. Makes use of [bacon/bacon-qr-code](https://github.com/Bacon/BaconQrCode)
+to generate the matrix and [khanamiryan/qrcode-detector-decoder](https://github.com/khanamiryan/php-qrcode-detector-decoder)
+for validating generated QR codes. Further extended with Twig extensions, generation routes, a factory and a
+Symfony bundle for easy installation and configuration. Different writers are provided to generate the QR code
+as PNG, SVG, EPS or in binary format.
+
+## Installation
+
+Use [Composer](https://getcomposer.org/) to install the library. Also make sure you have enabled and configured the
+[GD extension](https://www.php.net/manual/en/book.image.php) if you want to generate images.
+
+``` bash
+$ composer require endroid/qr-code
+```
+
+## Usage: using the builder
+
+```php
+use Endroid\QrCode\Builder\Builder;
+use Endroid\QrCode\Encoding\Encoding;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentCenter;
+use Endroid\QrCode\Label\Font\NotoSans;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
+use Endroid\QrCode\Writer\PngWriter;
+
+$result = Builder::create()
+    ->writer(new PngWriter())
+    ->writerOptions([])
+    ->data('Custom QR code contents')
+    ->encoding(new Encoding('UTF-8'))
+    ->errorCorrectionLevel(new ErrorCorrectionLevelHigh())
+    ->size(300)
+    ->margin(10)
+    ->roundBlockSizeMode(new RoundBlockSizeModeMargin())
+    ->logoPath(__DIR__.'/assets/symfony.png')
+    ->labelText('This is the label')
+    ->labelFont(new NotoSans(20))
+    ->labelAlignment(new LabelAlignmentCenter())
+    ->build();
+```
+
+## Usage: without using the builder
+
+```php
+use Endroid\QrCode\Color\Color;
+use Endroid\QrCode\Encoding\Encoding;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelLow;
+use Endroid\QrCode\QrCode;
+use Endroid\QrCode\Label\Label;
+use Endroid\QrCode\Logo\Logo;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
+use Endroid\QrCode\Writer\PngWriter;
+
+$writer = new PngWriter();
+
+// Create QR code
+$qrCode = QrCode::create('Data')
+    ->setEncoding(new Encoding('UTF-8'))
+    ->setErrorCorrectionLevel(new ErrorCorrectionLevelLow())
+    ->setSize(300)
+    ->setMargin(10)
+    ->setRoundBlockSizeMode(new RoundBlockSizeModeMargin())
+    ->setForegroundColor(new Color(0, 0, 0))
+    ->setBackgroundColor(new Color(255, 255, 255));
+
+// Create generic logo
+$logo = Logo::create(__DIR__.'/assets/symfony.png')
+    ->setResizeToWidth(50);
+
+// Create generic label
+$label = Label::create('Label')
+    ->setTextColor(new Color(255, 0, 0));
+
+$result = $writer->write($qrCode, $logo, $label);
+```
+
+## Usage: working with results
+
+```php
+
+// Directly output the QR code
+header('Content-Type: '.$result->getMimeType());
+echo $result->getString();
+
+// Save it to a file
+$result->saveToFile(__DIR__.'/qrcode.png');
+
+// Generate a data URI to include image data inline (i.e. inside an <img> tag)
+$dataUri = $result->getDataUri();
+```
+
+![QR Code](https://endroid.nl/qr-code/default/Life%20is%20too%20short%20to%20be%20generating%20QR%20codes)
+
+### Writer options
+
+```php
+use Endroid\QrCode\Writer\SvgWriter;
+
+$builder->setWriterOptions([SvgWriter::WRITER_OPTION_EXCLUDE_XML_DECLARATION => true]);
+```
+
+### Encoding
+
+If you use a barcode scanner you can have some troubles while reading the
+generated QR codes. Depending on the encoding you chose you will have an extra
+amount of data corresponding to the ECI block. Some barcode scanner are not
+programmed to interpret this block of information. To ensure a maximum
+compatibility you can use the `ISO-8859-1` encoding that is the default
+encoding used by barcode scanners (if your character set supports it,
+i.e. no Chinese characters are present).
+
+### Round block size mode
+
+By default block sizes are rounded to guarantee sharp images and improve
+readability. However some other rounding variants are available.
+
+* `margin (default)`: the size of the QR code is shrunk if necessary but the size
+  of the final image remains unchanged due to additional margin being added.
+* `enlarge`: the size of the QR code and the final image are enlarged when
+  rounding differences occur.
+* `shrink`: the size of the QR code and the final image are
+  shrunk when rounding differences occur.
+* `none`: No rounding. This mode can be used when blocks don't need to be rounded
+  to pixels (for instance SVG).
+
+## Readability
+
+The readability of a QR code is primarily determined by the size, the input
+length, the error correction level and any possible logo over the image so you
+can tweak these parameters if you are looking for optimal results. You can also
+check $qrCode->getRoundBlockSize() value to see if block dimensions are rounded
+so that the image is more sharp and readable. Please note that rounding block
+size can result in additional padding to compensate for the rounding difference.
+And finally the encoding (default UTF-8 to support large character sets) can be
+set to `ISO-8859-1` if possible to improve readability.
+
+## Built-in validation reader
+
+You can enable the built-in validation reader (disabled by default) by calling
+setValidateResult(true). This validation reader does not guarantee that the QR
+code will be readable by all readers but it helps you provide a minimum level
+of quality. Take note that the validator can consume quite amount of additional
+resources and it should be installed separately only if you use it.
+
+## Symfony integration
+
+The [endroid/qr-code-bundle](https://github.com/endroid/qr-code-bundle)
+integrates the QR code library in Symfony for an even better experience.
+
+* Configure your defaults (like image size, default writer etc.)
+* Support for multiple configurations and injection via aliases
+* Generate QR codes for defined configurations via URL like /qr-code/<config>/Hello
+* Generate QR codes or URLs directly from Twig using dedicated functions
+ 
+Read the [bundle documentation](https://github.com/endroid/qr-code-bundle)
+for more information.
+
+## Versioning
+
+Version numbers follow the MAJOR.MINOR.PATCH scheme. Backwards compatibility
+breaking changes will be kept to a minimum but be aware that these can occur.
+Lock your dependencies for production and test your code when upgrading.
+
+## License
+
+This bundle is under the MIT license. For the full copyright and license
+information please view the LICENSE file that was distributed with this source code.
diff --git a/vendor/endroid/qr-code/assets/open_sans.ttf b/vendor/endroid/qr-code/assets/open_sans.ttf
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literal 0
HcmV?d00001

diff --git a/vendor/endroid/qr-code/composer.json b/vendor/endroid/qr-code/composer.json
new file mode 100755
index 0000000..9fd62c0
--- /dev/null
+++ b/vendor/endroid/qr-code/composer.json
@@ -0,0 +1,51 @@
+{
+    "name": "endroid/qr-code",
+    "description": "Endroid QR Code",
+    "keywords": ["endroid", "qrcode", "qr", "code", "php"],
+    "homepage": "https://github.com/endroid/qr-code",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Jeroen van den Enden",
+            "email": "info@endroid.nl"
+        }
+    ],
+    "require": {
+        "php": "^7.4||^8.0",
+        "bacon/bacon-qr-code": "^2.0.5"
+    },
+    "require-dev": {
+        "ext-gd": "*",
+        "endroid/quality": "dev-master",
+        "khanamiryan/qrcode-detector-decoder": "^1.0.4",
+        "setasign/fpdf": "^1.8.2"
+    },
+    "suggest": {
+        "ext-gd": "Enables you to write PNG images",
+        "khanamiryan/qrcode-detector-decoder": "Enables you to use the image validator",
+        "roave/security-advisories": "Makes sure package versions with known security issues are not installed",
+        "setasign/fpdf": "Enables you to use the PDF writer"
+    },
+    "autoload": {
+        "psr-4": {
+            "Endroid\\QrCode\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Endroid\\QrCode\\Tests\\": "tests/"
+        }
+    },
+    "config": {
+        "sort-packages": true,
+        "preferred-install": {
+            "endroid/*": "source"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "4.x-dev"
+        }
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Bacon/ErrorCorrectionLevelConverter.php b/vendor/endroid/qr-code/src/Bacon/ErrorCorrectionLevelConverter.php
new file mode 100755
index 0000000..90f23e0
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Bacon/ErrorCorrectionLevelConverter.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Bacon;
+
+use BaconQrCode\Common\ErrorCorrectionLevel;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelLow;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelMedium;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelQuartile;
+
+final class ErrorCorrectionLevelConverter
+{
+    public static function convertToBaconErrorCorrectionLevel(ErrorCorrectionLevelInterface $errorCorrectionLevel): ErrorCorrectionLevel
+    {
+        if ($errorCorrectionLevel instanceof ErrorCorrectionLevelLow) {
+            return ErrorCorrectionLevel::valueOf('L');
+        } elseif ($errorCorrectionLevel instanceof ErrorCorrectionLevelMedium) {
+            return ErrorCorrectionLevel::valueOf('M');
+        } elseif ($errorCorrectionLevel instanceof ErrorCorrectionLevelQuartile) {
+            return ErrorCorrectionLevel::valueOf('Q');
+        } elseif ($errorCorrectionLevel instanceof ErrorCorrectionLevelHigh) {
+            return ErrorCorrectionLevel::valueOf('H');
+        }
+
+        throw new \Exception('Error correction level could not be converted');
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Bacon/MatrixFactory.php b/vendor/endroid/qr-code/src/Bacon/MatrixFactory.php
new file mode 100755
index 0000000..095b7be
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Bacon/MatrixFactory.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Bacon;
+
+use BaconQrCode\Encoder\Encoder;
+use Endroid\QrCode\Matrix\Matrix;
+use Endroid\QrCode\Matrix\MatrixFactoryInterface;
+use Endroid\QrCode\Matrix\MatrixInterface;
+use Endroid\QrCode\QrCodeInterface;
+
+final class MatrixFactory implements MatrixFactoryInterface
+{
+    public function create(QrCodeInterface $qrCode): MatrixInterface
+    {
+        $baconErrorCorrectionLevel = ErrorCorrectionLevelConverter::convertToBaconErrorCorrectionLevel($qrCode->getErrorCorrectionLevel());
+        $baconMatrix = Encoder::encode($qrCode->getData(), $baconErrorCorrectionLevel, strval($qrCode->getEncoding()))->getMatrix();
+
+        $blockValues = [];
+        $columnCount = $baconMatrix->getWidth();
+        $rowCount = $baconMatrix->getHeight();
+        for ($rowIndex = 0; $rowIndex < $rowCount; ++$rowIndex) {
+            $blockValues[$rowIndex] = [];
+            for ($columnIndex = 0; $columnIndex < $columnCount; ++$columnIndex) {
+                $blockValues[$rowIndex][$columnIndex] = $baconMatrix->get($columnIndex, $rowIndex);
+            }
+        }
+
+        return new Matrix($blockValues, $qrCode->getSize(), $qrCode->getMargin(), $qrCode->getRoundBlockSizeMode());
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Builder/Builder.php b/vendor/endroid/qr-code/src/Builder/Builder.php
new file mode 100755
index 0000000..c00be13
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Builder/Builder.php
@@ -0,0 +1,278 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Builder;
+
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Encoding\EncodingInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentInterface;
+use Endroid\QrCode\Label\Font\FontInterface;
+use Endroid\QrCode\Label\Label;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Label\Margin\MarginInterface;
+use Endroid\QrCode\Logo\Logo;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCode;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
+use Endroid\QrCode\Writer\PngWriter;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+use Endroid\QrCode\Writer\ValidatingWriterInterface;
+use Endroid\QrCode\Writer\WriterInterface;
+
+class Builder implements BuilderInterface
+{
+    /**
+     * @var array<mixed>{
+     *     data: string,
+     *     writer: WriterInterface,
+     *     writerOptions: array,
+     *     qrCodeClass: class-string,
+     *     logoClass: class-string,
+     *     labelClass: class-string,
+     *     validateResult: bool,
+     *     size?: int,
+     *     encoding?: EncodingInterface,
+     *     errorCorrectionLevel?: ErrorCorrectionLevelInterface,
+     *     roundBlockSizeMode?: RoundBlockSizeModeInterface,
+     *     margin?: int,
+     *     backgroundColor?: ColorInterface,
+     *     foregroundColor?: ColorInterface,
+     *     labelText?: string,
+     *     labelFont?: FontInterface,
+     *     labelAlignment?: LabelAlignmentInterface,
+     *     labelMargin?: MarginInterface,
+     *     labelTextColor?: ColorInterface,
+     *     logoPath?: string,
+     *     logoResizeToWidth?: int,
+     *     logoResizeToHeight?: int,
+     *     logoPunchoutBackground?: bool
+     * }
+     */
+    private array $options;
+
+    public function __construct()
+    {
+        $this->options = [
+            'data' => '',
+            'writer' => new PngWriter(),
+            'writerOptions' => [],
+            'qrCodeClass' => QrCode::class,
+            'logoClass' => Logo::class,
+            'labelClass' => Label::class,
+            'validateResult' => false,
+        ];
+    }
+
+    public static function create(): BuilderInterface
+    {
+        return new self();
+    }
+
+    public function writer(WriterInterface $writer): BuilderInterface
+    {
+        $this->options['writer'] = $writer;
+
+        return $this;
+    }
+
+    /** @param array<mixed> $writerOptions */
+    public function writerOptions(array $writerOptions): BuilderInterface
+    {
+        $this->options['writerOptions'] = $writerOptions;
+
+        return $this;
+    }
+
+    public function data(string $data): BuilderInterface
+    {
+        $this->options['data'] = $data;
+
+        return $this;
+    }
+
+    public function encoding(EncodingInterface $encoding): BuilderInterface
+    {
+        $this->options['encoding'] = $encoding;
+
+        return $this;
+    }
+
+    public function errorCorrectionLevel(ErrorCorrectionLevelInterface $errorCorrectionLevel): BuilderInterface
+    {
+        $this->options['errorCorrectionLevel'] = $errorCorrectionLevel;
+
+        return $this;
+    }
+
+    public function size(int $size): BuilderInterface
+    {
+        $this->options['size'] = $size;
+
+        return $this;
+    }
+
+    public function margin(int $margin): BuilderInterface
+    {
+        $this->options['margin'] = $margin;
+
+        return $this;
+    }
+
+    public function roundBlockSizeMode(RoundBlockSizeModeInterface $roundBlockSizeMode): BuilderInterface
+    {
+        $this->options['roundBlockSizeMode'] = $roundBlockSizeMode;
+
+        return $this;
+    }
+
+    public function foregroundColor(ColorInterface $foregroundColor): BuilderInterface
+    {
+        $this->options['foregroundColor'] = $foregroundColor;
+
+        return $this;
+    }
+
+    public function backgroundColor(ColorInterface $backgroundColor): BuilderInterface
+    {
+        $this->options['backgroundColor'] = $backgroundColor;
+
+        return $this;
+    }
+
+    public function logoPath(string $logoPath): BuilderInterface
+    {
+        $this->options['logoPath'] = $logoPath;
+
+        return $this;
+    }
+
+    public function logoResizeToWidth(int $logoResizeToWidth): BuilderInterface
+    {
+        $this->options['logoResizeToWidth'] = $logoResizeToWidth;
+
+        return $this;
+    }
+
+    public function logoResizeToHeight(int $logoResizeToHeight): BuilderInterface
+    {
+        $this->options['logoResizeToHeight'] = $logoResizeToHeight;
+
+        return $this;
+    }
+
+    public function logoPunchoutBackground(bool $logoPunchoutBackground): BuilderInterface
+    {
+        $this->options['logoPunchoutBackground'] = $logoPunchoutBackground;
+
+        return $this;
+    }
+
+    public function labelText(string $labelText): BuilderInterface
+    {
+        $this->options['labelText'] = $labelText;
+
+        return $this;
+    }
+
+    public function labelFont(FontInterface $labelFont): BuilderInterface
+    {
+        $this->options['labelFont'] = $labelFont;
+
+        return $this;
+    }
+
+    public function labelAlignment(LabelAlignmentInterface $labelAlignment): BuilderInterface
+    {
+        $this->options['labelAlignment'] = $labelAlignment;
+
+        return $this;
+    }
+
+    public function labelMargin(MarginInterface $labelMargin): BuilderInterface
+    {
+        $this->options['labelMargin'] = $labelMargin;
+
+        return $this;
+    }
+
+    public function labelTextColor(ColorInterface $labelTextColor): BuilderInterface
+    {
+        $this->options['labelTextColor'] = $labelTextColor;
+
+        return $this;
+    }
+
+    public function validateResult(bool $validateResult): BuilderInterface
+    {
+        $this->options['validateResult'] = $validateResult;
+
+        return $this;
+    }
+
+    public function build(): ResultInterface
+    {
+        $writer = $this->options['writer'];
+
+        if ($this->options['validateResult'] && !$writer instanceof ValidatingWriterInterface) {
+            throw new \Exception('Unable to validate result with '.get_class($writer));
+        }
+
+        /** @var QrCode $qrCode */
+        $qrCode = $this->buildObject($this->options['qrCodeClass']);
+
+        /** @var LogoInterface|null $logo */
+        $logo = $this->buildObject($this->options['logoClass'], 'logo');
+
+        /** @var LabelInterface|null $label */
+        $label = $this->buildObject($this->options['labelClass'], 'label');
+
+        $result = $writer->write($qrCode, $logo, $label, $this->options['writerOptions']);
+
+        if ($this->options['validateResult'] && $writer instanceof ValidatingWriterInterface) {
+            $writer->validateResult($result, $qrCode->getData());
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param class-string $class
+     *
+     * @return mixed
+     */
+    private function buildObject(string $class, string $optionsPrefix = null)
+    {
+        /** @var \ReflectionClass<object> $reflectionClass */
+        $reflectionClass = new \ReflectionClass($class);
+
+        $arguments = [];
+        $hasBuilderOptions = false;
+        $missingRequiredArguments = [];
+        /** @var \ReflectionMethod $constructor */
+        $constructor = $reflectionClass->getConstructor();
+        $constructorParameters = $constructor->getParameters();
+        foreach ($constructorParameters as $parameter) {
+            $optionName = null === $optionsPrefix ? $parameter->getName() : $optionsPrefix.ucfirst($parameter->getName());
+            if (isset($this->options[$optionName])) {
+                $hasBuilderOptions = true;
+                $arguments[] = $this->options[$optionName];
+            } elseif ($parameter->isDefaultValueAvailable()) {
+                $arguments[] = $parameter->getDefaultValue();
+            } else {
+                $missingRequiredArguments[] = $optionName;
+            }
+        }
+
+        if (!$hasBuilderOptions) {
+            return null;
+        }
+
+        if (count($missingRequiredArguments) > 0) {
+            throw new \Exception(sprintf('Missing required arguments: %s', implode(', ', $missingRequiredArguments)));
+        }
+
+        return $reflectionClass->newInstanceArgs($arguments);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Builder/BuilderInterface.php b/vendor/endroid/qr-code/src/Builder/BuilderInterface.php
new file mode 100755
index 0000000..5e69bc2
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Builder/BuilderInterface.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Builder;
+
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Encoding\EncodingInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentInterface;
+use Endroid\QrCode\Label\Font\FontInterface;
+use Endroid\QrCode\Label\Margin\MarginInterface;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+use Endroid\QrCode\Writer\WriterInterface;
+
+interface BuilderInterface
+{
+    public static function create(): BuilderInterface;
+
+    public function writer(WriterInterface $writer): BuilderInterface;
+
+    /** @param array<mixed> $writerOptions */
+    public function writerOptions(array $writerOptions): BuilderInterface;
+
+    public function data(string $data): BuilderInterface;
+
+    public function encoding(EncodingInterface $encoding): BuilderInterface;
+
+    public function errorCorrectionLevel(ErrorCorrectionLevelInterface $errorCorrectionLevel): BuilderInterface;
+
+    public function size(int $size): BuilderInterface;
+
+    public function margin(int $margin): BuilderInterface;
+
+    public function roundBlockSizeMode(RoundBlockSizeModeInterface $roundBlockSizeMode): BuilderInterface;
+
+    public function foregroundColor(ColorInterface $foregroundColor): BuilderInterface;
+
+    public function backgroundColor(ColorInterface $backgroundColor): BuilderInterface;
+
+    public function logoPath(string $logoPath): BuilderInterface;
+
+    public function logoResizeToWidth(int $logoResizeToWidth): BuilderInterface;
+
+    public function logoResizeToHeight(int $logoResizeToHeight): BuilderInterface;
+
+    public function logoPunchoutBackground(bool $logoPunchoutBackground): BuilderInterface;
+
+    public function labelText(string $labelText): BuilderInterface;
+
+    public function labelFont(FontInterface $labelFont): BuilderInterface;
+
+    public function labelAlignment(LabelAlignmentInterface $labelAlignment): BuilderInterface;
+
+    public function labelMargin(MarginInterface $labelMargin): BuilderInterface;
+
+    public function labelTextColor(ColorInterface $labelTextColor): BuilderInterface;
+
+    public function validateResult(bool $validateResult): BuilderInterface;
+
+    public function build(): ResultInterface;
+}
diff --git a/vendor/endroid/qr-code/src/Builder/BuilderRegistry.php b/vendor/endroid/qr-code/src/Builder/BuilderRegistry.php
new file mode 100755
index 0000000..cf1449c
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Builder/BuilderRegistry.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Builder;
+
+final class BuilderRegistry implements BuilderRegistryInterface
+{
+    /** @var array<BuilderInterface> */
+    private array $builders = [];
+
+    public function getBuilder(string $name): BuilderInterface
+    {
+        if (!isset($this->builders[$name])) {
+            throw new \Exception(sprintf('Builder with name "%s" not available from registry', $name));
+        }
+
+        return $this->builders[$name];
+    }
+
+    public function addBuilder(string $name, BuilderInterface $builder): void
+    {
+        $this->builders[$name] = $builder;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Builder/BuilderRegistryInterface.php b/vendor/endroid/qr-code/src/Builder/BuilderRegistryInterface.php
new file mode 100755
index 0000000..048d649
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Builder/BuilderRegistryInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Builder;
+
+interface BuilderRegistryInterface
+{
+    public function getBuilder(string $name): BuilderInterface;
+
+    public function addBuilder(string $name, BuilderInterface $builder): void;
+}
diff --git a/vendor/endroid/qr-code/src/Color/Color.php b/vendor/endroid/qr-code/src/Color/Color.php
new file mode 100755
index 0000000..26d9c4a
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Color/Color.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Color;
+
+final class Color implements ColorInterface
+{
+    private int $red;
+    private int $green;
+    private int $blue;
+    private int $alpha;
+
+    public function __construct(int $red, int $green, int $blue, int $alpha = 0)
+    {
+        $this->red = $red;
+        $this->green = $green;
+        $this->blue = $blue;
+        $this->alpha = $alpha;
+    }
+
+    public function getRed(): int
+    {
+        return $this->red;
+    }
+
+    public function getGreen(): int
+    {
+        return $this->green;
+    }
+
+    public function getBlue(): int
+    {
+        return $this->blue;
+    }
+
+    public function getAlpha(): int
+    {
+        return $this->alpha;
+    }
+
+    public function getOpacity(): float
+    {
+        return 1 - $this->alpha / 127;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'red' => $this->red,
+            'green' => $this->green,
+            'blue' => $this->blue,
+            'alpha' => $this->alpha,
+        ];
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Color/ColorInterface.php b/vendor/endroid/qr-code/src/Color/ColorInterface.php
new file mode 100755
index 0000000..91d3818
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Color/ColorInterface.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Color;
+
+interface ColorInterface
+{
+    public function getRed(): int;
+
+    public function getGreen(): int;
+
+    public function getBlue(): int;
+
+    public function getAlpha(): int;
+
+    public function getOpacity(): float;
+
+    /** @return array<string, int> */
+    public function toArray(): array;
+}
diff --git a/vendor/endroid/qr-code/src/Encoding/Encoding.php b/vendor/endroid/qr-code/src/Encoding/Encoding.php
new file mode 100755
index 0000000..2126d1e
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Encoding/Encoding.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Encoding;
+
+final class Encoding implements EncodingInterface
+{
+    private string $value;
+
+    public function __construct(string $value)
+    {
+        if (!in_array($value, mb_list_encodings())) {
+            throw new \Exception(sprintf('Invalid encoding "%s"', $value));
+        }
+
+        $this->value = $value;
+    }
+
+    public function __toString(): string
+    {
+        return $this->value;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Encoding/EncodingInterface.php b/vendor/endroid/qr-code/src/Encoding/EncodingInterface.php
new file mode 100755
index 0000000..f57001b
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Encoding/EncodingInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Encoding;
+
+interface EncodingInterface
+{
+    public function __toString(): string;
+}
diff --git a/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelHigh.php b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelHigh.php
new file mode 100755
index 0000000..eeb9644
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelHigh.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ErrorCorrectionLevel;
+
+final class ErrorCorrectionLevelHigh implements ErrorCorrectionLevelInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelInterface.php b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelInterface.php
new file mode 100755
index 0000000..96255f1
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ErrorCorrectionLevel;
+
+interface ErrorCorrectionLevelInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelLow.php b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelLow.php
new file mode 100755
index 0000000..910e2d3
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelLow.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ErrorCorrectionLevel;
+
+final class ErrorCorrectionLevelLow implements ErrorCorrectionLevelInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelMedium.php b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelMedium.php
new file mode 100755
index 0000000..4fa31bb
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelMedium.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ErrorCorrectionLevel;
+
+final class ErrorCorrectionLevelMedium implements ErrorCorrectionLevelInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelQuartile.php b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelQuartile.php
new file mode 100755
index 0000000..1b55428
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ErrorCorrectionLevel/ErrorCorrectionLevelQuartile.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ErrorCorrectionLevel;
+
+final class ErrorCorrectionLevelQuartile implements ErrorCorrectionLevelInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/ImageData/LabelImageData.php b/vendor/endroid/qr-code/src/ImageData/LabelImageData.php
new file mode 100755
index 0000000..0b43b22
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ImageData/LabelImageData.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ImageData;
+
+use Endroid\QrCode\Label\LabelInterface;
+
+class LabelImageData
+{
+    private int $width;
+    private int $height;
+
+    private function __construct(int $width, int $height)
+    {
+        $this->width = $width;
+        $this->height = $height;
+    }
+
+    public static function createForLabel(LabelInterface $label): self
+    {
+        if (false !== strpos($label->getText(), "\n")) {
+            throw new \Exception('Label does not support line breaks');
+        }
+
+        if (!function_exists('imagettfbbox')) {
+            throw new \Exception('Function "imagettfbbox" does not exist: check your FreeType installation');
+        }
+
+        $labelBox = imagettfbbox($label->getFont()->getSize(), 0, $label->getFont()->getPath(), $label->getText());
+
+        if (!is_array($labelBox)) {
+            throw new \Exception('Unable to generate label image box: check your FreeType installation');
+        }
+
+        return new self(
+            intval($labelBox[2] - $labelBox[0]),
+            intval($labelBox[0] - $labelBox[7])
+        );
+    }
+
+    public function getWidth(): int
+    {
+        return $this->width;
+    }
+
+    public function getHeight(): int
+    {
+        return $this->height;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/ImageData/LogoImageData.php b/vendor/endroid/qr-code/src/ImageData/LogoImageData.php
new file mode 100755
index 0000000..75b4078
--- /dev/null
+++ b/vendor/endroid/qr-code/src/ImageData/LogoImageData.php
@@ -0,0 +1,164 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\ImageData;
+
+use Endroid\QrCode\Logo\LogoInterface;
+
+class LogoImageData
+{
+    private string $data;
+
+    /** @var mixed */
+    private $image;
+
+    private string $mimeType;
+    private int $width;
+    private int $height;
+    private bool $punchoutBackground;
+
+    /** @param mixed $image */
+    private function __construct(
+        string $data,
+        $image,
+        string $mimeType,
+        int $width,
+        int $height,
+        bool $punchoutBackground
+    ) {
+        $this->data = $data;
+        $this->image = $image;
+        $this->mimeType = $mimeType;
+        $this->width = $width;
+        $this->height = $height;
+        $this->punchoutBackground = $punchoutBackground;
+    }
+
+    public static function createForLogo(LogoInterface $logo): self
+    {
+        $data = @file_get_contents($logo->getPath());
+
+        if (!is_string($data)) {
+            throw new \Exception(sprintf('Invalid data at path "%s"', $logo->getPath()));
+        }
+
+        if (false !== filter_var($logo->getPath(), FILTER_VALIDATE_URL)) {
+            $mimeType = self::detectMimeTypeFromUrl($logo->getPath());
+        } else {
+            $mimeType = self::detectMimeTypeFromPath($logo->getPath());
+        }
+
+        $width = $logo->getResizeToWidth();
+        $height = $logo->getResizeToHeight();
+
+        if ('image/svg+xml' === $mimeType) {
+            if (null === $width || null === $height) {
+                throw new \Exception('SVG Logos require an explicitly set resize width and height');
+            }
+
+            return new self($data, null, $mimeType, $width, $height, $logo->getPunchoutBackground());
+        }
+
+        $image = @imagecreatefromstring($data);
+
+        if (!$image) {
+            throw new \Exception(sprintf('Unable to parse image data at path "%s"', $logo->getPath()));
+        }
+
+        // No target width and height specified: use from original image
+        if (null !== $width && null !== $height) {
+            return new self($data, $image, $mimeType, $width, $height, $logo->getPunchoutBackground());
+        }
+
+        // Only target width specified: calculate height
+        if (null !== $width && null === $height) {
+            return new self($data, $image, $mimeType, $width, intval(imagesy($image) * $width / imagesx($image)), $logo->getPunchoutBackground());
+        }
+
+        // Only target height specified: calculate width
+        if (null === $width && null !== $height) {
+            return new self($data, $image, $mimeType, intval(imagesx($image) * $height / imagesy($image)), $height, $logo->getPunchoutBackground());
+        }
+
+        return new self($data, $image, $mimeType, imagesx($image), imagesy($image), $logo->getPunchoutBackground());
+    }
+
+    public function getData(): string
+    {
+        return $this->data;
+    }
+
+    /** @return mixed */
+    public function getImage()
+    {
+        if (null === $this->image) {
+            throw new \Exception('SVG Images have no image resource');
+        }
+
+        return $this->image;
+    }
+
+    public function getMimeType(): string
+    {
+        return $this->mimeType;
+    }
+
+    public function getWidth(): int
+    {
+        return $this->width;
+    }
+
+    public function getHeight(): int
+    {
+        return $this->height;
+    }
+
+    public function getPunchoutBackground(): bool
+    {
+        return $this->punchoutBackground;
+    }
+
+    public function createDataUri(): string
+    {
+        return 'data:'.$this->mimeType.';base64,'.base64_encode($this->data);
+    }
+
+    private static function detectMimeTypeFromUrl(string $url): string
+    {
+        /** @var mixed $format */
+        $format = PHP_VERSION_ID >= 80000 ? true : 1;
+
+        $headers = get_headers($url, $format);
+
+        if (!is_array($headers) || !isset($headers['Content-Type'])) {
+            throw new \Exception(sprintf('Content type could not be determined for logo URL "%s"', $url));
+        }
+
+        return is_array($headers['Content-Type']) ? $headers['Content-Type'][1] : $headers['Content-Type'];
+    }
+
+    private static function detectMimeTypeFromPath(string $path): string
+    {
+        if (!function_exists('mime_content_type')) {
+            throw new \Exception('You need the ext-fileinfo extension to determine logo mime type');
+        }
+
+        $mimeType = @mime_content_type($path);
+
+        if (!is_string($mimeType)) {
+            throw new \Exception('Could not determine mime type');
+        }
+
+        if (!preg_match('#^image/#', $mimeType)) {
+            throw new \Exception('Logo path is not an image');
+        }
+
+        // Passing mime type image/svg results in invisible images
+        if ('image/svg' === $mimeType) {
+            return 'image/svg+xml';
+        }
+
+        return $mimeType;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentCenter.php b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentCenter.php
new file mode 100755
index 0000000..c13e287
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentCenter.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Alignment;
+
+final class LabelAlignmentCenter implements LabelAlignmentInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentInterface.php b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentInterface.php
new file mode 100755
index 0000000..67e1077
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Alignment;
+
+interface LabelAlignmentInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentLeft.php b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentLeft.php
new file mode 100755
index 0000000..ebe9155
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentLeft.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Alignment;
+
+final class LabelAlignmentLeft implements LabelAlignmentInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentRight.php b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentRight.php
new file mode 100755
index 0000000..adea8f8
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Alignment/LabelAlignmentRight.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Alignment;
+
+final class LabelAlignmentRight implements LabelAlignmentInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/Label/Font/Font.php b/vendor/endroid/qr-code/src/Label/Font/Font.php
new file mode 100755
index 0000000..8026772
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Font/Font.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Font;
+
+final class Font implements FontInterface
+{
+    private string $path;
+    private int $size;
+
+    public function __construct(string $path, int $size = 16)
+    {
+        $this->validatePath($path);
+
+        $this->path = $path;
+        $this->size = $size;
+    }
+
+    private function validatePath(string $path): void
+    {
+        if (!file_exists($path)) {
+            throw new \Exception(sprintf('Invalid font path "%s"', $path));
+        }
+    }
+
+    public function getPath(): string
+    {
+        return $this->path;
+    }
+
+    public function getSize(): int
+    {
+        return $this->size;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/Font/FontInterface.php b/vendor/endroid/qr-code/src/Label/Font/FontInterface.php
new file mode 100755
index 0000000..1c0de9a
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Font/FontInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Font;
+
+interface FontInterface
+{
+    public function getPath(): string;
+
+    public function getSize(): int;
+}
diff --git a/vendor/endroid/qr-code/src/Label/Font/NotoSans.php b/vendor/endroid/qr-code/src/Label/Font/NotoSans.php
new file mode 100755
index 0000000..c72b244
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Font/NotoSans.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Font;
+
+final class NotoSans implements FontInterface
+{
+    private int $size;
+
+    public function __construct(int $size = 16)
+    {
+        $this->size = $size;
+    }
+
+    public function getPath(): string
+    {
+        return __DIR__.'/../../../assets/noto_sans.otf';
+    }
+
+    public function getSize(): int
+    {
+        return $this->size;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/Font/OpenSans.php b/vendor/endroid/qr-code/src/Label/Font/OpenSans.php
new file mode 100755
index 0000000..4daab73
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Font/OpenSans.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Font;
+
+final class OpenSans implements FontInterface
+{
+    private int $size;
+
+    public function __construct(int $size = 16)
+    {
+        $this->size = $size;
+    }
+
+    public function getPath(): string
+    {
+        return __DIR__.'/../../../assets/open_sans.ttf';
+    }
+
+    public function getSize(): int
+    {
+        return $this->size;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/Label.php b/vendor/endroid/qr-code/src/Label/Label.php
new file mode 100755
index 0000000..5d5d013
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Label.php
@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label;
+
+use Endroid\QrCode\Color\Color;
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentCenter;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentInterface;
+use Endroid\QrCode\Label\Font\Font;
+use Endroid\QrCode\Label\Font\FontInterface;
+use Endroid\QrCode\Label\Margin\Margin;
+use Endroid\QrCode\Label\Margin\MarginInterface;
+
+final class Label implements LabelInterface
+{
+    private string $text;
+    private FontInterface $font;
+    private LabelAlignmentInterface $alignment;
+    private MarginInterface $margin;
+    private ColorInterface $textColor;
+
+    public function __construct(
+        string $text,
+        FontInterface $font = null,
+        LabelAlignmentInterface $alignment = null,
+        MarginInterface $margin = null,
+        ColorInterface $textColor = null
+    ) {
+        $this->text = $text;
+        $this->font = isset($font) ? $font : new Font(__DIR__.'/../../assets/noto_sans.otf', 16);
+        $this->alignment = isset($alignment) ? $alignment : new LabelAlignmentCenter();
+        $this->margin = isset($margin) ? $margin : new Margin(0, 10, 10, 10);
+        $this->textColor = isset($textColor) ? $textColor : new Color(0, 0, 0);
+    }
+
+    public static function create(string $text): self
+    {
+        return new self($text);
+    }
+
+    public function getText(): string
+    {
+        return $this->text;
+    }
+
+    public function setText(string $text): self
+    {
+        $this->text = $text;
+
+        return $this;
+    }
+
+    public function getFont(): FontInterface
+    {
+        return $this->font;
+    }
+
+    public function setFont(FontInterface $font): self
+    {
+        $this->font = $font;
+
+        return $this;
+    }
+
+    public function getAlignment(): LabelAlignmentInterface
+    {
+        return $this->alignment;
+    }
+
+    public function setAlignment(LabelAlignmentInterface $alignment): self
+    {
+        $this->alignment = $alignment;
+
+        return $this;
+    }
+
+    public function getMargin(): MarginInterface
+    {
+        return $this->margin;
+    }
+
+    public function setMargin(MarginInterface $margin): self
+    {
+        $this->margin = $margin;
+
+        return $this;
+    }
+
+    public function getTextColor(): ColorInterface
+    {
+        return $this->textColor;
+    }
+
+    public function setTextColor(ColorInterface $textColor): self
+    {
+        $this->textColor = $textColor;
+
+        return $this;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/LabelInterface.php b/vendor/endroid/qr-code/src/Label/LabelInterface.php
new file mode 100755
index 0000000..a7d2ed6
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/LabelInterface.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label;
+
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentInterface;
+use Endroid\QrCode\Label\Font\FontInterface;
+use Endroid\QrCode\Label\Margin\MarginInterface;
+
+interface LabelInterface
+{
+    public function getText(): string;
+
+    public function getFont(): FontInterface;
+
+    public function getAlignment(): LabelAlignmentInterface;
+
+    public function getMargin(): MarginInterface;
+
+    public function getTextColor(): ColorInterface;
+}
diff --git a/vendor/endroid/qr-code/src/Label/Margin/Margin.php b/vendor/endroid/qr-code/src/Label/Margin/Margin.php
new file mode 100755
index 0000000..3a5aeef
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Margin/Margin.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Margin;
+
+final class Margin implements MarginInterface
+{
+    private int $top;
+    private int $right;
+    private int $bottom;
+    private int $left;
+
+    public function __construct(int $top, int $right, int $bottom, int $left)
+    {
+        $this->top = $top;
+        $this->right = $right;
+        $this->bottom = $bottom;
+        $this->left = $left;
+    }
+
+    public function getTop(): int
+    {
+        return $this->top;
+    }
+
+    public function getRight(): int
+    {
+        return $this->right;
+    }
+
+    public function getBottom(): int
+    {
+        return $this->bottom;
+    }
+
+    public function getLeft(): int
+    {
+        return $this->left;
+    }
+
+    /** @return array<string, int> */
+    public function toArray(): array
+    {
+        return [
+            'top' => $this->top,
+            'right' => $this->right,
+            'bottom' => $this->bottom,
+            'left' => $this->left,
+        ];
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Label/Margin/MarginInterface.php b/vendor/endroid/qr-code/src/Label/Margin/MarginInterface.php
new file mode 100755
index 0000000..bc428bd
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Label/Margin/MarginInterface.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Label\Margin;
+
+interface MarginInterface
+{
+    public function getTop(): int;
+
+    public function getRight(): int;
+
+    public function getBottom(): int;
+
+    public function getLeft(): int;
+
+    /** @return array<string, int> */
+    public function toArray(): array;
+}
diff --git a/vendor/endroid/qr-code/src/Logo/Logo.php b/vendor/endroid/qr-code/src/Logo/Logo.php
new file mode 100755
index 0000000..b50d743
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Logo/Logo.php
@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Logo;
+
+final class Logo implements LogoInterface
+{
+    private string $path;
+    private ?int $resizeToWidth;
+    private ?int $resizeToHeight;
+    private bool $punchoutBackground;
+
+    public function __construct(string $path, ?int $resizeToWidth = null, ?int $resizeToHeight = null, bool $punchoutBackground = false)
+    {
+        $this->path = $path;
+        $this->resizeToWidth = $resizeToWidth;
+        $this->resizeToHeight = $resizeToHeight;
+        $this->punchoutBackground = $punchoutBackground;
+    }
+
+    public static function create(string $path): self
+    {
+        return new self($path);
+    }
+
+    public function getPath(): string
+    {
+        return $this->path;
+    }
+
+    public function setPath(string $path): self
+    {
+        $this->path = $path;
+
+        return $this;
+    }
+
+    public function getResizeToWidth(): ?int
+    {
+        return $this->resizeToWidth;
+    }
+
+    public function setResizeToWidth(?int $resizeToWidth): self
+    {
+        $this->resizeToWidth = $resizeToWidth;
+
+        return $this;
+    }
+
+    public function getResizeToHeight(): ?int
+    {
+        return $this->resizeToHeight;
+    }
+
+    public function setResizeToHeight(?int $resizeToHeight): self
+    {
+        $this->resizeToHeight = $resizeToHeight;
+
+        return $this;
+    }
+
+    public function getPunchoutBackground(): bool
+    {
+        return $this->punchoutBackground;
+    }
+
+    public function setPunchoutBackground(bool $punchoutBackground): self
+    {
+        $this->punchoutBackground = $punchoutBackground;
+
+        return $this;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Logo/LogoInterface.php b/vendor/endroid/qr-code/src/Logo/LogoInterface.php
new file mode 100755
index 0000000..13d940c
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Logo/LogoInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Logo;
+
+interface LogoInterface
+{
+    public function getPath(): string;
+
+    public function getResizeToWidth(): ?int;
+
+    public function getResizeToHeight(): ?int;
+
+    public function getPunchoutBackground(): bool;
+}
diff --git a/vendor/endroid/qr-code/src/Matrix/Matrix.php b/vendor/endroid/qr-code/src/Matrix/Matrix.php
new file mode 100755
index 0000000..b0dd63e
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Matrix/Matrix.php
@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Matrix;
+
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeEnlarge;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeShrink;
+
+final class Matrix implements MatrixInterface
+{
+    /** @var array<int, array<int, int>> */
+    private array $blockValues = [];
+
+    private float $blockSize;
+    private int $innerSize;
+    private int $outerSize;
+    private int $marginLeft;
+    private int $marginRight;
+
+    /** @param array<array<int>> $blockValues */
+    public function __construct(array $blockValues, int $size, int $margin, RoundBlockSizeModeInterface $roundBlockSizeMode)
+    {
+        $this->blockValues = $blockValues;
+
+        $this->blockSize = $size / $this->getBlockCount();
+        $this->innerSize = $size;
+        $this->outerSize = $size + 2 * $margin;
+
+        if ($roundBlockSizeMode instanceof RoundBlockSizeModeEnlarge) {
+            $this->blockSize = intval(ceil($this->blockSize));
+            $this->innerSize = intval($this->blockSize * $this->getBlockCount());
+            $this->outerSize = $this->innerSize + 2 * $margin;
+        } elseif ($roundBlockSizeMode instanceof RoundBlockSizeModeShrink) {
+            $this->blockSize = intval(floor($this->blockSize));
+            $this->innerSize = intval($this->blockSize * $this->getBlockCount());
+            $this->outerSize = $this->innerSize + 2 * $margin;
+        } elseif ($roundBlockSizeMode instanceof RoundBlockSizeModeMargin) {
+            $this->blockSize = intval(floor($this->blockSize));
+            $this->innerSize = intval($this->blockSize * $this->getBlockCount());
+        }
+
+        if ($this->blockSize < 1) {
+            throw new \Exception('Too much data: increase image dimensions or lower error correction level');
+        }
+
+        $this->marginLeft = intval(($this->outerSize - $this->innerSize) / 2);
+        $this->marginRight = $this->outerSize - $this->innerSize - $this->marginLeft;
+    }
+
+    public function getBlockValue(int $rowIndex, int $columnIndex): int
+    {
+        return $this->blockValues[$rowIndex][$columnIndex];
+    }
+
+    public function getBlockCount(): int
+    {
+        return count($this->blockValues[0]);
+    }
+
+    public function getBlockSize(): float
+    {
+        return $this->blockSize;
+    }
+
+    public function getInnerSize(): int
+    {
+        return $this->innerSize;
+    }
+
+    public function getOuterSize(): int
+    {
+        return $this->outerSize;
+    }
+
+    public function getMarginLeft(): int
+    {
+        return $this->marginLeft;
+    }
+
+    public function getMarginRight(): int
+    {
+        return $this->marginRight;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Matrix/MatrixFactoryInterface.php b/vendor/endroid/qr-code/src/Matrix/MatrixFactoryInterface.php
new file mode 100755
index 0000000..be501f1
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Matrix/MatrixFactoryInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Matrix;
+
+use Endroid\QrCode\QrCodeInterface;
+
+interface MatrixFactoryInterface
+{
+    public function create(QrCodeInterface $qrCode): MatrixInterface;
+}
diff --git a/vendor/endroid/qr-code/src/Matrix/MatrixInterface.php b/vendor/endroid/qr-code/src/Matrix/MatrixInterface.php
new file mode 100755
index 0000000..f8d1e16
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Matrix/MatrixInterface.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Matrix;
+
+interface MatrixInterface
+{
+    public function getBlockValue(int $rowIndex, int $columnIndex): int;
+
+    public function getBlockCount(): int;
+
+    public function getBlockSize(): float;
+
+    public function getInnerSize(): int;
+
+    public function getOuterSize(): int;
+
+    public function getMarginLeft(): int;
+
+    public function getMarginRight(): int;
+}
diff --git a/vendor/endroid/qr-code/src/QrCode.php b/vendor/endroid/qr-code/src/QrCode.php
new file mode 100755
index 0000000..1dcd7d7
--- /dev/null
+++ b/vendor/endroid/qr-code/src/QrCode.php
@@ -0,0 +1,147 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode;
+
+use Endroid\QrCode\Color\Color;
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Encoding\Encoding;
+use Endroid\QrCode\Encoding\EncodingInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelLow;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeMargin;
+
+final class QrCode implements QrCodeInterface
+{
+    private string $data;
+    private EncodingInterface $encoding;
+    private ErrorCorrectionLevelInterface $errorCorrectionLevel;
+    private int $size;
+    private int $margin;
+    private RoundBlockSizeModeInterface $roundBlockSizeMode;
+    private ColorInterface $foregroundColor;
+    private ColorInterface $backgroundColor;
+
+    public function __construct(
+        string $data,
+        EncodingInterface $encoding = null,
+        ErrorCorrectionLevelInterface $errorCorrectionLevel = null,
+        int $size = 300,
+        int $margin = 10,
+        RoundBlockSizeModeInterface $roundBlockSizeMode = null,
+        ColorInterface $foregroundColor = null,
+        ColorInterface $backgroundColor = null
+    ) {
+        $this->data = $data;
+        $this->encoding = $encoding ?? new Encoding('UTF-8');
+        $this->errorCorrectionLevel = $errorCorrectionLevel ?? new ErrorCorrectionLevelLow();
+        $this->size = $size;
+        $this->margin = $margin;
+        $this->roundBlockSizeMode = $roundBlockSizeMode ?? new RoundBlockSizeModeMargin();
+        $this->foregroundColor = $foregroundColor ?? new Color(0, 0, 0);
+        $this->backgroundColor = $backgroundColor ?? new Color(255, 255, 255);
+    }
+
+    public static function create(string $data): self
+    {
+        return new self($data);
+    }
+
+    public function getData(): string
+    {
+        return $this->data;
+    }
+
+    public function setData(string $data): self
+    {
+        $this->data = $data;
+
+        return $this;
+    }
+
+    public function getEncoding(): EncodingInterface
+    {
+        return $this->encoding;
+    }
+
+    public function setEncoding(Encoding $encoding): self
+    {
+        $this->encoding = $encoding;
+
+        return $this;
+    }
+
+    public function getErrorCorrectionLevel(): ErrorCorrectionLevelInterface
+    {
+        return $this->errorCorrectionLevel;
+    }
+
+    public function setErrorCorrectionLevel(ErrorCorrectionLevelInterface $errorCorrectionLevel): self
+    {
+        $this->errorCorrectionLevel = $errorCorrectionLevel;
+
+        return $this;
+    }
+
+    public function getSize(): int
+    {
+        return $this->size;
+    }
+
+    public function setSize(int $size): self
+    {
+        $this->size = $size;
+
+        return $this;
+    }
+
+    public function getMargin(): int
+    {
+        return $this->margin;
+    }
+
+    public function setMargin(int $margin): self
+    {
+        $this->margin = $margin;
+
+        return $this;
+    }
+
+    public function getRoundBlockSizeMode(): RoundBlockSizeModeInterface
+    {
+        return $this->roundBlockSizeMode;
+    }
+
+    public function setRoundBlockSizeMode(RoundBlockSizeModeInterface $roundBlockSizeMode): self
+    {
+        $this->roundBlockSizeMode = $roundBlockSizeMode;
+
+        return $this;
+    }
+
+    public function getForegroundColor(): ColorInterface
+    {
+        return $this->foregroundColor;
+    }
+
+    public function setForegroundColor(ColorInterface $foregroundColor): self
+    {
+        $this->foregroundColor = $foregroundColor;
+
+        return $this;
+    }
+
+    public function getBackgroundColor(): ColorInterface
+    {
+        return $this->backgroundColor;
+    }
+
+    public function setBackgroundColor(ColorInterface $backgroundColor): self
+    {
+        $this->backgroundColor = $backgroundColor;
+
+        return $this;
+    }
+}
diff --git a/vendor/endroid/qr-code/src/QrCodeInterface.php b/vendor/endroid/qr-code/src/QrCodeInterface.php
new file mode 100755
index 0000000..2c96984
--- /dev/null
+++ b/vendor/endroid/qr-code/src/QrCodeInterface.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode;
+
+use Endroid\QrCode\Color\ColorInterface;
+use Endroid\QrCode\Encoding\EncodingInterface;
+use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface;
+
+interface QrCodeInterface
+{
+    public function getData(): string;
+
+    public function getEncoding(): EncodingInterface;
+
+    public function getErrorCorrectionLevel(): ErrorCorrectionLevelInterface;
+
+    public function getSize(): int;
+
+    public function getMargin(): int;
+
+    public function getRoundBlockSizeMode(): RoundBlockSizeModeInterface;
+
+    public function getForegroundColor(): ColorInterface;
+
+    public function getBackgroundColor(): ColorInterface;
+}
diff --git a/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeEnlarge.php b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeEnlarge.php
new file mode 100755
index 0000000..24f51d6
--- /dev/null
+++ b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeEnlarge.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\RoundBlockSizeMode;
+
+final class RoundBlockSizeModeEnlarge implements RoundBlockSizeModeInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeInterface.php b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeInterface.php
new file mode 100755
index 0000000..43a19c7
--- /dev/null
+++ b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\RoundBlockSizeMode;
+
+interface RoundBlockSizeModeInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeMargin.php b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeMargin.php
new file mode 100755
index 0000000..123cce4
--- /dev/null
+++ b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeMargin.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\RoundBlockSizeMode;
+
+final class RoundBlockSizeModeMargin implements RoundBlockSizeModeInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeNone.php b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeNone.php
new file mode 100755
index 0000000..dd1d80e
--- /dev/null
+++ b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeNone.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\RoundBlockSizeMode;
+
+final class RoundBlockSizeModeNone implements RoundBlockSizeModeInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeShrink.php b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeShrink.php
new file mode 100755
index 0000000..6f8d5bd
--- /dev/null
+++ b/vendor/endroid/qr-code/src/RoundBlockSizeMode/RoundBlockSizeModeShrink.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\RoundBlockSizeMode;
+
+final class RoundBlockSizeModeShrink implements RoundBlockSizeModeInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/WritableInterface.php b/vendor/endroid/qr-code/src/WritableInterface.php
new file mode 100755
index 0000000..a465ced
--- /dev/null
+++ b/vendor/endroid/qr-code/src/WritableInterface.php
@@ -0,0 +1,7 @@
+<?php
+
+declare(strict_types=1);
+
+interface WritableInterface
+{
+}
diff --git a/vendor/endroid/qr-code/src/Writer/BinaryWriter.php b/vendor/endroid/qr-code/src/Writer/BinaryWriter.php
new file mode 100755
index 0000000..a18230c
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/BinaryWriter.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\BinaryResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+final class BinaryWriter implements WriterInterface
+{
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        return new BinaryResult($matrix);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/DebugWriter.php b/vendor/endroid/qr-code/src/Writer/DebugWriter.php
new file mode 100755
index 0000000..3e89515
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/DebugWriter.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\DebugResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+final class DebugWriter implements WriterInterface, ValidatingWriterInterface
+{
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        return new DebugResult($qrCode, $logo, $label, $options);
+    }
+
+    public function validateResult(ResultInterface $result, string $expectedData): void
+    {
+        if (!$result instanceof DebugResult) {
+            throw new \Exception('Unable to write logo: instance of DebugResult expected');
+        }
+
+        $result->setValidateResult(true);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/EpsWriter.php b/vendor/endroid/qr-code/src/Writer/EpsWriter.php
new file mode 100755
index 0000000..2ffd219
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/EpsWriter.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\EpsResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+final class EpsWriter implements WriterInterface
+{
+    public const DECIMAL_PRECISION = 10;
+
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        $lines = [
+            '%!PS-Adobe-3.0 EPSF-3.0',
+            '%%BoundingBox: 0 0 '.$matrix->getOuterSize().' '.$matrix->getOuterSize(),
+            '/F { rectfill } def',
+            number_format($qrCode->getBackgroundColor()->getRed() / 100, 2, '.', ',').' '.number_format($qrCode->getBackgroundColor()->getGreen() / 100, 2, '.', ',').' '.number_format($qrCode->getBackgroundColor()->getBlue() / 100, 2, '.', ',').' setrgbcolor',
+            '0 0 '.$matrix->getOuterSize().' '.$matrix->getOuterSize().' F',
+            number_format($qrCode->getForegroundColor()->getRed() / 100, 2, '.', ',').' '.number_format($qrCode->getForegroundColor()->getGreen() / 100, 2, '.', ',').' '.number_format($qrCode->getForegroundColor()->getBlue() / 100, 2, '.', ',').' setrgbcolor',
+        ];
+
+        for ($rowIndex = 0; $rowIndex < $matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $matrix->getBlockCount(); ++$columnIndex) {
+                if (1 === $matrix->getBlockValue($matrix->getBlockCount() - 1 - $rowIndex, $columnIndex)) {
+                    $x = $matrix->getMarginLeft() + $matrix->getBlockSize() * $columnIndex;
+                    $y = $matrix->getMarginLeft() + $matrix->getBlockSize() * $rowIndex;
+                    $lines[] = number_format($x, self::DECIMAL_PRECISION, '.', '').' '.number_format($y, self::DECIMAL_PRECISION, '.', '').' '.number_format($matrix->getBlockSize(), self::DECIMAL_PRECISION, '.', '').' '.number_format($matrix->getBlockSize(), self::DECIMAL_PRECISION, '.', '').' F';
+                }
+            }
+        }
+
+        return new EpsResult($lines);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/PdfWriter.php b/vendor/endroid/qr-code/src/Writer/PdfWriter.php
new file mode 100755
index 0000000..78f0603
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/PdfWriter.php
@@ -0,0 +1,133 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\PdfResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+final class PdfWriter implements WriterInterface
+{
+    public const WRITER_OPTION_UNIT = 'unit';
+    public const WRITER_OPTION_PDF = 'fpdf';
+    public const WRITER_OPTION_X = 'x';
+    public const WRITER_OPTION_Y = 'y';
+
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        $unit = 'mm';
+        if (isset($options[self::WRITER_OPTION_UNIT])) {
+            $unit = $options[self::WRITER_OPTION_UNIT];
+        }
+
+        $allowedUnits = ['mm', 'pt', 'cm', 'in'];
+        if (!in_array($unit, $allowedUnits)) {
+            throw new \Exception(sprintf('PDF Measure unit should be one of [%s]', implode(', ', $allowedUnits)));
+        }
+
+        $labelSpace = 0;
+        if ($label instanceof LabelInterface) {
+            $labelSpace = 30;
+        }
+
+        if (!class_exists(\FPDF::class)) {
+            throw new \Exception('Unable to find FPDF: check your installation');
+        }
+
+        $foregroundColor = $qrCode->getForegroundColor();
+        if ($foregroundColor->getAlpha() > 0) {
+            throw new \Exception('PDF Writer does not support alpha channels');
+        }
+        $backgroundColor = $qrCode->getBackgroundColor();
+        if ($backgroundColor->getAlpha() > 0) {
+            throw new \Exception('PDF Writer does not support alpha channels');
+        }
+
+        if (isset($options[self::WRITER_OPTION_PDF])) {
+            $fpdf = $options[self::WRITER_OPTION_PDF];
+            if (!$fpdf instanceof \FPDF) {
+                throw new \Exception('pdf option must be an instance of FPDF');
+            }
+        } else {
+            // @todo Check how to add label height later
+            $fpdf = new \FPDF('P', $unit, [$matrix->getOuterSize(), $matrix->getOuterSize() + $labelSpace]);
+            $fpdf->AddPage();
+        }
+
+        $x = 0;
+        if (isset($options[self::WRITER_OPTION_X])) {
+            $x = $options[self::WRITER_OPTION_X];
+        }
+        $y = 0;
+        if (isset($options[self::WRITER_OPTION_Y])) {
+            $y = $options[self::WRITER_OPTION_Y];
+        }
+
+        $fpdf->SetFillColor($backgroundColor->getRed(), $backgroundColor->getGreen(), $backgroundColor->getBlue());
+        $fpdf->Rect($x, $y, $matrix->getOuterSize(), $matrix->getOuterSize(), 'F');
+        $fpdf->SetFillColor($foregroundColor->getRed(), $foregroundColor->getGreen(), $foregroundColor->getBlue());
+
+        for ($rowIndex = 0; $rowIndex < $matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $matrix->getBlockCount(); ++$columnIndex) {
+                if (1 === $matrix->getBlockValue($rowIndex, $columnIndex)) {
+                    $fpdf->Rect(
+                        $x + $matrix->getMarginLeft() + ($columnIndex * $matrix->getBlockSize()),
+                        $y + $matrix->getMarginLeft() + ($rowIndex * $matrix->getBlockSize()),
+                        $matrix->getBlockSize(),
+                        $matrix->getBlockSize(),
+                        'F'
+                    );
+                }
+            }
+        }
+
+        if ($logo instanceof LogoInterface) {
+            $this->addLogo($logo, $fpdf, $x, $y, $matrix->getOuterSize());
+        }
+
+        if ($label instanceof LabelInterface) {
+            $fpdf->SetXY($x, $y + $matrix->getOuterSize() + $labelSpace - 25);
+            $fpdf->SetFont('Helvetica', '', $label->getFont()->getSize());
+            $fpdf->Cell($matrix->getOuterSize(), 0, $label->getText(), 0, 0, 'C');
+        }
+
+        return new PdfResult($fpdf);
+    }
+
+    private function addLogo(LogoInterface $logo, \FPDF $fpdf, float $x, float $y, float $size): void
+    {
+        $logoPath = $logo->getPath();
+        $logoHeight = $logo->getResizeToHeight();
+        $logoWidth = $logo->getResizeToWidth();
+
+        if (null === $logoHeight || null === $logoWidth) {
+            $imageSize = \getimagesize($logoPath);
+            if (!$imageSize) {
+                throw new \Exception(sprintf('Unable to read image size for logo "%s"', $logoPath));
+            }
+            [$logoSourceWidth, $logoSourceHeight] = $imageSize;
+
+            if (null === $logoWidth) {
+                $logoWidth = (int) $logoSourceWidth;
+            }
+
+            if (null === $logoHeight) {
+                $aspectRatio = $logoWidth / $logoSourceWidth;
+                $logoHeight = (int) ($logoSourceHeight * $aspectRatio);
+            }
+        }
+
+        $logoX = $x + $size / 2 - $logoWidth / 2;
+        $logoY = $y + $size / 2 - $logoHeight / 2;
+
+        $fpdf->Image($logoPath, $logoX, $logoY, $logoWidth, $logoHeight);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/PngWriter.php b/vendor/endroid/qr-code/src/Writer/PngWriter.php
new file mode 100755
index 0000000..e944d84
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/PngWriter.php
@@ -0,0 +1,227 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\ImageData\LabelImageData;
+use Endroid\QrCode\ImageData\LogoImageData;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentLeft;
+use Endroid\QrCode\Label\Alignment\LabelAlignmentRight;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeNone;
+use Endroid\QrCode\Writer\Result\PngResult;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+use Zxing\QrReader;
+
+final class PngWriter implements WriterInterface, ValidatingWriterInterface
+{
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        if (!extension_loaded('gd')) {
+            throw new \Exception('Unable to generate image: please check if the GD extension is enabled and configured correctly');
+        }
+
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        $baseBlockSize = $qrCode->getRoundBlockSizeMode() instanceof RoundBlockSizeModeNone ? 10 : intval($matrix->getBlockSize());
+        $baseImage = imagecreatetruecolor($matrix->getBlockCount() * $baseBlockSize, $matrix->getBlockCount() * $baseBlockSize);
+
+        if (!$baseImage) {
+            throw new \Exception('Unable to generate image: please check if the GD extension is enabled and configured correctly');
+        }
+
+        /** @var int $foregroundColor */
+        $foregroundColor = imagecolorallocatealpha(
+            $baseImage,
+            $qrCode->getForegroundColor()->getRed(),
+            $qrCode->getForegroundColor()->getGreen(),
+            $qrCode->getForegroundColor()->getBlue(),
+            $qrCode->getForegroundColor()->getAlpha()
+        );
+
+        /** @var int $transparentColor */
+        $transparentColor = imagecolorallocatealpha($baseImage, 255, 255, 255, 127);
+
+        imagefill($baseImage, 0, 0, $transparentColor);
+
+        for ($rowIndex = 0; $rowIndex < $matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $matrix->getBlockCount(); ++$columnIndex) {
+                if (1 === $matrix->getBlockValue($rowIndex, $columnIndex)) {
+                    imagefilledrectangle(
+                        $baseImage,
+                        $columnIndex * $baseBlockSize,
+                        $rowIndex * $baseBlockSize,
+                        ($columnIndex + 1) * $baseBlockSize - 1,
+                        ($rowIndex + 1) * $baseBlockSize - 1,
+                        $foregroundColor
+                    );
+                }
+            }
+        }
+
+        $targetWidth = $matrix->getOuterSize();
+        $targetHeight = $matrix->getOuterSize();
+
+        if ($label instanceof LabelInterface) {
+            $labelImageData = LabelImageData::createForLabel($label);
+            $targetHeight += $labelImageData->getHeight() + $label->getMargin()->getTop() + $label->getMargin()->getBottom();
+        }
+
+        $targetImage = imagecreatetruecolor($targetWidth, $targetHeight);
+
+        if (!$targetImage) {
+            throw new \Exception('Unable to generate image: please check if the GD extension is enabled and configured correctly');
+        }
+
+        /** @var int $backgroundColor */
+        $backgroundColor = imagecolorallocatealpha(
+            $targetImage,
+            $qrCode->getBackgroundColor()->getRed(),
+            $qrCode->getBackgroundColor()->getGreen(),
+            $qrCode->getBackgroundColor()->getBlue(),
+            $qrCode->getBackgroundColor()->getAlpha()
+        );
+
+        imagefill($targetImage, 0, 0, $backgroundColor);
+
+        imagecopyresampled(
+            $targetImage,
+            $baseImage,
+            $matrix->getMarginLeft(),
+            $matrix->getMarginLeft(),
+            0,
+            0,
+            $matrix->getInnerSize(),
+            $matrix->getInnerSize(),
+            imagesx($baseImage),
+            imagesy($baseImage)
+        );
+
+        if (PHP_VERSION_ID < 80000) {
+            imagedestroy($baseImage);
+        }
+
+        if ($qrCode->getBackgroundColor()->getAlpha() > 0) {
+            imagesavealpha($targetImage, true);
+        }
+
+        $result = new PngResult($targetImage);
+
+        if ($logo instanceof LogoInterface) {
+            $result = $this->addLogo($logo, $result);
+        }
+
+        if ($label instanceof LabelInterface) {
+            $result = $this->addLabel($label, $result);
+        }
+
+        return $result;
+    }
+
+    private function addLogo(LogoInterface $logo, PngResult $result): PngResult
+    {
+        $logoImageData = LogoImageData::createForLogo($logo);
+
+        if ('image/svg+xml' === $logoImageData->getMimeType()) {
+            throw new \Exception('PNG Writer does not support SVG logo');
+        }
+
+        $targetImage = $result->getImage();
+
+        if ($logoImageData->getPunchoutBackground()) {
+            /** @var int $transparent */
+            $transparent = imagecolorallocatealpha($targetImage, 255, 255, 255, 127);
+            imagealphablending($targetImage, false);
+            for (
+                $x_offset = intval(imagesx($targetImage) / 2 - $logoImageData->getWidth() / 2);
+                $x_offset < intval(imagesx($targetImage) / 2 - $logoImageData->getWidth() / 2) + $logoImageData->getWidth();
+                ++$x_offset
+            ) {
+                for (
+                    $y_offset = intval(imagesy($targetImage) / 2 - $logoImageData->getHeight() / 2);
+                    $y_offset < intval(imagesy($targetImage) / 2 - $logoImageData->getHeight() / 2) + $logoImageData->getHeight();
+                    ++$y_offset
+                ) {
+                    imagesetpixel(
+                        $targetImage,
+                        $x_offset,
+                        $y_offset,
+                        $transparent
+                    );
+                }
+            }
+        }
+
+        imagecopyresampled(
+            $targetImage,
+            $logoImageData->getImage(),
+            intval(imagesx($targetImage) / 2 - $logoImageData->getWidth() / 2),
+            intval(imagesx($targetImage) / 2 - $logoImageData->getHeight() / 2),
+            0,
+            0,
+            $logoImageData->getWidth(),
+            $logoImageData->getHeight(),
+            imagesx($logoImageData->getImage()),
+            imagesy($logoImageData->getImage())
+        );
+
+        if (PHP_VERSION_ID < 80000) {
+            imagedestroy($logoImageData->getImage());
+        }
+
+        return new PngResult($targetImage);
+    }
+
+    private function addLabel(LabelInterface $label, PngResult $result): PngResult
+    {
+        $targetImage = $result->getImage();
+
+        $labelImageData = LabelImageData::createForLabel($label);
+
+        /** @var int $textColor */
+        $textColor = imagecolorallocatealpha(
+            $targetImage,
+            $label->getTextColor()->getRed(),
+            $label->getTextColor()->getGreen(),
+            $label->getTextColor()->getBlue(),
+            $label->getTextColor()->getAlpha()
+        );
+
+        $x = intval(imagesx($targetImage) / 2 - $labelImageData->getWidth() / 2);
+        $y = imagesy($targetImage) - $label->getMargin()->getBottom();
+
+        if ($label->getAlignment() instanceof LabelAlignmentLeft) {
+            $x = $label->getMargin()->getLeft();
+        } elseif ($label->getAlignment() instanceof LabelAlignmentRight) {
+            $x = imagesx($targetImage) - $labelImageData->getWidth() - $label->getMargin()->getRight();
+        }
+
+        imagettftext($targetImage, $label->getFont()->getSize(), 0, $x, $y, $textColor, $label->getFont()->getPath(), $label->getText());
+
+        return new PngResult($targetImage);
+    }
+
+    public function validateResult(ResultInterface $result, string $expectedData): void
+    {
+        $string = $result->getString();
+
+        if (!class_exists(QrReader::class)) {
+            throw new \Exception('Please install khanamiryan/qrcode-detector-decoder or disable image validation');
+        }
+
+        if (PHP_VERSION_ID >= 80000) {
+            throw new \Exception('The validator is not compatible with PHP 8 yet, see https://github.com/khanamiryan/php-qrcode-detector-decoder/pull/103');
+        }
+
+        $reader = new QrReader($string, QrReader::SOURCE_TYPE_BLOB);
+        if ($reader->text() !== $expectedData) {
+            throw new \Exception('Built-in validation reader read "'.$reader->text().'" instead of "'.$expectedData.'".
+                 Adjust your parameters to increase readability or disable built-in validation.');
+        }
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/AbstractResult.php b/vendor/endroid/qr-code/src/Writer/Result/AbstractResult.php
new file mode 100755
index 0000000..43b680b
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/AbstractResult.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+abstract class AbstractResult implements ResultInterface
+{
+    public function getDataUri(): string
+    {
+        return 'data:'.$this->getMimeType().';base64,'.base64_encode($this->getString());
+    }
+
+    public function saveToFile(string $path): void
+    {
+        $string = $this->getString();
+        file_put_contents($path, $string);
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php b/vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php
new file mode 100755
index 0000000..0618940
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+use Endroid\QrCode\Matrix\MatrixInterface;
+
+final class BinaryResult extends AbstractResult
+{
+    private MatrixInterface $matrix;
+
+    public function __construct(MatrixInterface $matrix)
+    {
+        $this->matrix = $matrix;
+    }
+
+    public function getString(): string
+    {
+        $binaryString = '';
+        for ($rowIndex = 0; $rowIndex < $this->matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $this->matrix->getBlockCount(); ++$columnIndex) {
+                $binaryString .= $this->matrix->getBlockValue($rowIndex, $columnIndex);
+            }
+            $binaryString .= "\n";
+        }
+
+        return $binaryString;
+    }
+
+    public function getMimeType(): string
+    {
+        return 'text/plain';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/DebugResult.php b/vendor/endroid/qr-code/src/Writer/Result/DebugResult.php
new file mode 100755
index 0000000..c3cbff0
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/DebugResult.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+
+final class DebugResult extends AbstractResult
+{
+    private QrCodeInterface $qrCode;
+    private ?LogoInterface $logo;
+    private ?LabelInterface $label;
+
+    /** @var array<mixed> */
+    private array $options;
+
+    private bool $validateResult = false;
+
+    /** @param array<mixed> $options */
+    public function __construct(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = [])
+    {
+        $this->qrCode = $qrCode;
+        $this->logo = $logo;
+        $this->label = $label;
+        $this->options = $options;
+    }
+
+    public function setValidateResult(bool $validateResult): void
+    {
+        $this->validateResult = $validateResult;
+    }
+
+    public function getString(): string
+    {
+        $debugLines = [];
+
+        $debugLines[] = 'Data: '.$this->qrCode->getData();
+        $debugLines[] = 'Encoding: '.$this->qrCode->getEncoding();
+        $debugLines[] = 'Error Correction Level: '.get_class($this->qrCode->getErrorCorrectionLevel());
+        $debugLines[] = 'Size: '.$this->qrCode->getSize();
+        $debugLines[] = 'Margin: '.$this->qrCode->getMargin();
+        $debugLines[] = 'Round block size mode: '.get_class($this->qrCode->getRoundBlockSizeMode());
+        $debugLines[] = 'Foreground color: ['.implode(', ', $this->qrCode->getForegroundColor()->toArray()).']';
+        $debugLines[] = 'Background color: ['.implode(', ', $this->qrCode->getBackgroundColor()->toArray()).']';
+
+        foreach ($this->options as $key => $value) {
+            $debugLines[] = 'Writer option: '.$key.': '.$value;
+        }
+
+        if (isset($this->logo)) {
+            $debugLines[] = 'Logo path: '.$this->logo->getPath();
+            $debugLines[] = 'Logo resize to width: '.$this->logo->getResizeToWidth();
+            $debugLines[] = 'Logo resize to height: '.$this->logo->getResizeToHeight();
+        }
+
+        if (isset($this->label)) {
+            $debugLines[] = 'Label text: '.$this->label->getText();
+            $debugLines[] = 'Label font path: '.$this->label->getFont()->getPath();
+            $debugLines[] = 'Label font size: '.$this->label->getFont()->getSize();
+            $debugLines[] = 'Label alignment: '.get_class($this->label->getAlignment());
+            $debugLines[] = 'Label margin: ['.implode(', ', $this->label->getMargin()->toArray()).']';
+            $debugLines[] = 'Label text color: ['.implode(', ', $this->label->getTextColor()->toArray()).']';
+        }
+
+        $debugLines[] = 'Validate result: '.($this->validateResult ? 'true' : 'false');
+
+        return implode("\n", $debugLines);
+    }
+
+    public function getMimeType(): string
+    {
+        return 'text/plain';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/EpsResult.php b/vendor/endroid/qr-code/src/Writer/Result/EpsResult.php
new file mode 100755
index 0000000..0e55991
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/EpsResult.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+final class EpsResult extends AbstractResult
+{
+    /** @var array<string> */
+    private array $lines;
+
+    /** @param array<string> $lines */
+    public function __construct(array $lines)
+    {
+        $this->lines = $lines;
+    }
+
+    public function getString(): string
+    {
+        return implode("\n", $this->lines);
+    }
+
+    public function getMimeType(): string
+    {
+        return 'image/eps';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/PdfResult.php b/vendor/endroid/qr-code/src/Writer/Result/PdfResult.php
new file mode 100755
index 0000000..b4c644f
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/PdfResult.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+final class PdfResult extends AbstractResult
+{
+    private \FPDF $fpdf;
+
+    public function __construct(\FPDF $fpdf)
+    {
+        $this->fpdf = $fpdf;
+    }
+
+    public function getPdf(): \FPDF
+    {
+        return $this->fpdf;
+    }
+
+    public function getString(): string
+    {
+        return $this->fpdf->Output('S');
+    }
+
+    public function getMimeType(): string
+    {
+        return 'application/pdf';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/PngResult.php b/vendor/endroid/qr-code/src/Writer/Result/PngResult.php
new file mode 100755
index 0000000..efa26c5
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/PngResult.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+final class PngResult extends AbstractResult
+{
+    /** @var mixed */
+    private $image;
+
+    /** @param mixed $image */
+    public function __construct($image)
+    {
+        $this->image = $image;
+    }
+
+    /** @return mixed */
+    public function getImage()
+    {
+        return $this->image;
+    }
+
+    public function getString(): string
+    {
+        ob_start();
+        imagepng($this->image);
+
+        return strval(ob_get_clean());
+    }
+
+    public function getMimeType(): string
+    {
+        return 'image/png';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/ResultInterface.php b/vendor/endroid/qr-code/src/Writer/Result/ResultInterface.php
new file mode 100755
index 0000000..a255605
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/ResultInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+interface ResultInterface
+{
+    public function getString(): string;
+
+    public function getDataUri(): string;
+
+    public function saveToFile(string $path): void;
+
+    public function getMimeType(): string;
+}
diff --git a/vendor/endroid/qr-code/src/Writer/Result/SvgResult.php b/vendor/endroid/qr-code/src/Writer/Result/SvgResult.php
new file mode 100755
index 0000000..295202c
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/Result/SvgResult.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer\Result;
+
+final class SvgResult extends AbstractResult
+{
+    private \SimpleXMLElement $xml;
+    private bool $excludeXmlDeclaration;
+
+    public function __construct(\SimpleXMLElement $xml, bool $excludeXmlDeclaration = false)
+    {
+        $this->xml = $xml;
+        $this->excludeXmlDeclaration = $excludeXmlDeclaration;
+    }
+
+    public function getXml(): \SimpleXMLElement
+    {
+        return $this->xml;
+    }
+
+    public function getString(): string
+    {
+        $string = $this->xml->asXML();
+
+        if (!is_string($string)) {
+            throw new \Exception('Could not save SVG XML to string');
+        }
+
+        if ($this->excludeXmlDeclaration) {
+            $string = str_replace("<?xml version=\"1.0\"?>\n", '', $string);
+        }
+
+        return $string;
+    }
+
+    public function getMimeType(): string
+    {
+        return 'image/svg+xml';
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/SvgWriter.php b/vendor/endroid/qr-code/src/Writer/SvgWriter.php
new file mode 100755
index 0000000..233c903
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/SvgWriter.php
@@ -0,0 +1,107 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Bacon\MatrixFactory;
+use Endroid\QrCode\ImageData\LogoImageData;
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+use Endroid\QrCode\Writer\Result\SvgResult;
+
+final class SvgWriter implements WriterInterface
+{
+    public const DECIMAL_PRECISION = 10;
+    public const WRITER_OPTION_BLOCK_ID = 'block_id';
+    public const WRITER_OPTION_EXCLUDE_XML_DECLARATION = 'exclude_xml_declaration';
+    public const WRITER_OPTION_FORCE_XLINK_HREF = 'force_xlink_href';
+
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface
+    {
+        if (!isset($options[self::WRITER_OPTION_BLOCK_ID])) {
+            $options[self::WRITER_OPTION_BLOCK_ID] = 'block';
+        }
+
+        if (!isset($options[self::WRITER_OPTION_EXCLUDE_XML_DECLARATION])) {
+            $options[self::WRITER_OPTION_EXCLUDE_XML_DECLARATION] = false;
+        }
+
+        $matrixFactory = new MatrixFactory();
+        $matrix = $matrixFactory->create($qrCode);
+
+        $xml = new \SimpleXMLElement('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/>');
+        $xml->addAttribute('version', '1.1');
+        $xml->addAttribute('width', $matrix->getOuterSize().'px');
+        $xml->addAttribute('height', $matrix->getOuterSize().'px');
+        $xml->addAttribute('viewBox', '0 0 '.$matrix->getOuterSize().' '.$matrix->getOuterSize());
+        $xml->addChild('defs');
+
+        $blockDefinition = $xml->defs->addChild('rect');
+        $blockDefinition->addAttribute('id', strval($options[self::WRITER_OPTION_BLOCK_ID]));
+        $blockDefinition->addAttribute('width', number_format($matrix->getBlockSize(), self::DECIMAL_PRECISION, '.', ''));
+        $blockDefinition->addAttribute('height', number_format($matrix->getBlockSize(), self::DECIMAL_PRECISION, '.', ''));
+        $blockDefinition->addAttribute('fill', '#'.sprintf('%02x%02x%02x', $qrCode->getForegroundColor()->getRed(), $qrCode->getForegroundColor()->getGreen(), $qrCode->getForegroundColor()->getBlue()));
+        $blockDefinition->addAttribute('fill-opacity', strval($qrCode->getForegroundColor()->getOpacity()));
+
+        $background = $xml->addChild('rect');
+        $background->addAttribute('x', '0');
+        $background->addAttribute('y', '0');
+        $background->addAttribute('width', strval($matrix->getOuterSize()));
+        $background->addAttribute('height', strval($matrix->getOuterSize()));
+        $background->addAttribute('fill', '#'.sprintf('%02x%02x%02x', $qrCode->getBackgroundColor()->getRed(), $qrCode->getBackgroundColor()->getGreen(), $qrCode->getBackgroundColor()->getBlue()));
+        $background->addAttribute('fill-opacity', strval($qrCode->getBackgroundColor()->getOpacity()));
+
+        for ($rowIndex = 0; $rowIndex < $matrix->getBlockCount(); ++$rowIndex) {
+            for ($columnIndex = 0; $columnIndex < $matrix->getBlockCount(); ++$columnIndex) {
+                if (1 === $matrix->getBlockValue($rowIndex, $columnIndex)) {
+                    $block = $xml->addChild('use');
+                    $block->addAttribute('x', number_format($matrix->getMarginLeft() + $matrix->getBlockSize() * $columnIndex, self::DECIMAL_PRECISION, '.', ''));
+                    $block->addAttribute('y', number_format($matrix->getMarginLeft() + $matrix->getBlockSize() * $rowIndex, self::DECIMAL_PRECISION, '.', ''));
+                    $block->addAttribute('xlink:href', '#'.$options[self::WRITER_OPTION_BLOCK_ID], 'http://www.w3.org/1999/xlink');
+                }
+            }
+        }
+
+        $result = new SvgResult($xml, boolval($options[self::WRITER_OPTION_EXCLUDE_XML_DECLARATION]));
+
+        if ($logo instanceof LogoInterface) {
+            $this->addLogo($logo, $result, $options);
+        }
+
+        return $result;
+    }
+
+    /** @param array<mixed> $options */
+    private function addLogo(LogoInterface $logo, SvgResult $result, array $options): void
+    {
+        $logoImageData = LogoImageData::createForLogo($logo);
+
+        if (!isset($options[self::WRITER_OPTION_FORCE_XLINK_HREF])) {
+            $options[self::WRITER_OPTION_FORCE_XLINK_HREF] = false;
+        }
+
+        $xml = $result->getXml();
+
+        /** @var \SimpleXMLElement $xmlAttributes */
+        $xmlAttributes = $xml->attributes();
+
+        $x = intval($xmlAttributes->width) / 2 - $logoImageData->getWidth() / 2;
+        $y = intval($xmlAttributes->height) / 2 - $logoImageData->getHeight() / 2;
+
+        $imageDefinition = $xml->addChild('image');
+        $imageDefinition->addAttribute('x', strval($x));
+        $imageDefinition->addAttribute('y', strval($y));
+        $imageDefinition->addAttribute('width', strval($logoImageData->getWidth()));
+        $imageDefinition->addAttribute('height', strval($logoImageData->getHeight()));
+        $imageDefinition->addAttribute('preserveAspectRatio', 'none');
+
+        if ($options[self::WRITER_OPTION_FORCE_XLINK_HREF]) {
+            $imageDefinition->addAttribute('xlink:href', $logoImageData->createDataUri(), 'http://www.w3.org/1999/xlink');
+        } else {
+            $imageDefinition->addAttribute('href', $logoImageData->createDataUri());
+        }
+    }
+}
diff --git a/vendor/endroid/qr-code/src/Writer/ValidatingWriterInterface.php b/vendor/endroid/qr-code/src/Writer/ValidatingWriterInterface.php
new file mode 100755
index 0000000..4f40048
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/ValidatingWriterInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+interface ValidatingWriterInterface
+{
+    public function validateResult(ResultInterface $result, string $expectedData): void;
+}
diff --git a/vendor/endroid/qr-code/src/Writer/WriterInterface.php b/vendor/endroid/qr-code/src/Writer/WriterInterface.php
new file mode 100755
index 0000000..4370f1b
--- /dev/null
+++ b/vendor/endroid/qr-code/src/Writer/WriterInterface.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Writer;
+
+use Endroid\QrCode\Label\LabelInterface;
+use Endroid\QrCode\Logo\LogoInterface;
+use Endroid\QrCode\QrCodeInterface;
+use Endroid\QrCode\Writer\Result\ResultInterface;
+
+interface WriterInterface
+{
+    /** @param array<mixed> $options */
+    public function write(QrCodeInterface $qrCode, LogoInterface $logo = null, LabelInterface $label = null, array $options = []): ResultInterface;
+}
diff --git a/vendor/wikimedia/less.php/CHANGES.md b/vendor/wikimedia/less.php/CHANGES.md
new file mode 100755
index 0000000..92f82f8
--- /dev/null
+++ b/vendor/wikimedia/less.php/CHANGES.md
@@ -0,0 +1,70 @@
+# 3.1.0
+- [All Changes](https://github.com/wikimedia/less.php/compare/v3.0.0...v3.1.0)
+* PHP 8.0 support: Drop use of curly braces for sub-string eval (James D. Forrester)
+* Make `Directive::__construct` $rules arg optional (fix PHP 7.4 warning) (Sam Reed)
+* ProcessExtends: Improve performance by using a map for selectors and parents (Andrey Legayev)
+* build: Run CI tests on PHP 8.0 too (James D. Forrester)
+* code: Fix PSR12.Properties.ConstantVisibility.NotFound (Sam Reed)
+
+# 3.0.0
+- [All Changes](https://github.com/wikimedia/less.php/compare/v2.0.0...v3.0.0)
+- Raise PHP requirement from 7.1 to 7.2.9 (James Forrester)
+- build: Upgrade phpunit to ^8.5 and make pass  (James Forrester)
+- build: Install php-parallel-lint  (James Forrester)
+- build: Install minus-x and make pass  (James Forrester)
+
+# 2.0.0
+- [All Changes](https://github.com/wikimedia/less.php/compare/1.8.2...v2.0.0)
+- Relax PHP requirement down to 7.1, from 7.2.9 (Franz Liedke)
+- Reflect recent breaking changes properly with the semantic versioning (James Forrester)
+
+# 1.8.2
+- [All Changes](https://github.com/wikimedia/less.php/compare/1.8.1...1.8.2)
+- Require PHP 7.2.9+, up from 5.3+ (James Forrester)
+- Release: Update Version.php with the current release ID (COBadger)
+- Fix access array offset on value of type null (Michele Locati)
+- Fixed test suite on PHP 7.4 (Sergei Morozov)
+- docs: Fix 1.8.1 "All changes" link (Timo Tijhof)
+
+# 1.8.1
+- [All Changes](https://github.com/wikimedia/less.php/compare/v1.8.0...1.8.1)
+- Another PHP 7.3 compatibility tweak
+
+# 1.8.0
+- [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.13...v1.8.0)
+- Wikimedia fork
+- Supports up to PHP 7.3
+- No longer tested against PHP 5, though it's still remains allowed in `composer.json` for HHVM compatibility
+- Switched to [semantic versioning](https://semver.org/), hence version numbers now use 3 digits
+
+# 1.7.0.13
+ - [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.12...v1.7.0.13)
+ - Fix composer.json (PSR-4 was invalid)
+
+# 1.7.0.12
+ - [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.11...v1.7.0.12)
+ - set bin/lessc bit executable
+ - Add 'gettingVariables' method in Less_Parser
+
+# 1.7.0.11
+ - [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.10...v1.7.0.11)
+ - Fix realpath issue (windows)
+ - Set Less_Tree_Call property back to public ( Fix 258 266 267 issues from oyejorge/less.php)
+
+# 1.7.0.10
+
+ - [All Changes](https://github.com/oyejorge/less.php/compare/v1.7.0.9...v1.7.10)
+ - Add indentation option
+ - Add 'optional' modifier for @import
+ - fix $color in Exception messages
+ - don't use set_time_limit when running cli
+ - take relative-url into account when building the cache filename
+ - urlArgs should be string no array()
+ - add bug-report fixtures [#6dc898f](https://github.com/oyejorge/less.php/commit/6dc898f5d75b447464906bdf19d79c2e19d95e33)
+ - fix #269, missing on NameValue type [#a8dac63](https://github.com/oyejorge/less.php/commit/a8dac63d93fb941c54fb78b12588abf635747c1b)
+
+# 1.7.0.9
+
+ - [All Changes](https://github.com/oyejorge/less.php/compare/v1.7.0.8...v1.7.0.9)
+ - Remove space at beginning of Version.php
+ - Revert require() paths in test interface
diff --git a/vendor/wikimedia/less.php/LICENSE b/vendor/wikimedia/less.php/LICENSE
new file mode 100755
index 0000000..82216a5
--- /dev/null
+++ b/vendor/wikimedia/less.php/LICENSE
@@ -0,0 +1,178 @@
+
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
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+   "Licensor" shall mean the copyright owner or entity authorized by
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+   "Legal Entity" shall mean the union of the acting entity and all
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+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
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+   "You" (or "Your") shall mean an individual or Legal Entity
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+   "Work" shall mean the work of authorship, whether in Source or
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+END OF TERMS AND CONDITIONS
+
diff --git a/vendor/wikimedia/less.php/README.md b/vendor/wikimedia/less.php/README.md
new file mode 100755
index 0000000..d10177c
--- /dev/null
+++ b/vendor/wikimedia/less.php/README.md
@@ -0,0 +1,315 @@
+[![Continuous Integration](https://github.com/wikimedia/less.php/workflows/PHP%20Test/badge.svg)](https://github.com/wikimedia/less.php/actions)
+
+[Less.php](http://lessphp.typesettercms.com)
+========
+
+This is the Wikimedia fork of a PHP port of the official LESS processor <http://lesscss.org>.
+
+* [About](#about)
+* [Installation](#installation)
+* [Basic Use](#basic-use)
+* [Caching](#caching)
+* [Source Maps](#source-maps)
+* [Command Line](#command-line)
+* [Integration with other projects](#integration-with-other-projects)
+* [Transitioning from Leafo/lessphp](#transitioning-from-leafolessphp)
+* [Credits](#credits)
+
+
+
+About
+---
+The code structure of less.php mirrors that of the official processor which helps us ensure compatibility and allows for easy maintenance.
+
+Please note, there are a few unsupported LESS features:
+
+- Evaluation of JavaScript expressions within back-ticks (for obvious reasons).
+- Definition of custom functions.
+
+
+Installation
+---
+
+You can install the library with Composer or manually.
+
+#### Composer
+
+1. [Install Composer](https://getcomposer.org/download/)
+2. Run `composer require wikimedia/less.php`
+
+#### Manually From Release
+
+Step 1. [Download a release](https://github.com/wikimedia/less.php/releases) and upload the PHP files to your server.
+
+Step 2. Include the library:
+
+```php
+require_once '[path to less.php]/lib/Less/Autoloader.php';
+Less_Autoloader::register();
+```
+
+Basic Use
+---
+
+#### Parsing Strings
+
+```php
+$parser = new Less_Parser();
+$parser->parse( '@color: #4D926F; #header { color: @color; } h2 { color: @color; }' );
+$css = $parser->getCss();
+```
+
+
+#### Parsing LESS Files
+The parseFile() function takes two arguments:
+
+1. The absolute path of the .less file to be parsed
+2. The url root to prepend to any relative image or @import urls in the .less file.
+
+```php
+$parser = new Less_Parser();
+$parser->parseFile( '/var/www/mysite/bootstrap.less', 'http://example.com/mysite/' );
+$css = $parser->getCss();
+```
+
+
+#### Handling Invalid LESS
+An exception will be thrown if the compiler encounters invalid LESS.
+
+```php
+try{
+	$parser = new Less_Parser();
+	$parser->parseFile( '/var/www/mysite/bootstrap.less', 'http://example.com/mysite/' );
+	$css = $parser->getCss();
+}catch(Exception $e){
+	$error_message = $e->getMessage();
+}
+```
+
+
+#### Parsing Multiple Sources
+less.php can parse multiple sources to generate a single CSS file.
+
+```php
+$parser = new Less_Parser();
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$parser->parse( '@color: #4D926F; #header { color: @color; } h2 { color: @color; }' );
+$css = $parser->getCss();
+```
+
+#### Getting Info About The Parsed Files
+less.php can tell you which .less files were imported and parsed.
+
+```php
+$parser = new Less_Parser();
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$css = $parser->getCss();
+$imported_files = $parser->allParsedFiles();
+```
+
+
+#### Compressing Output
+You can tell less.php to remove comments and whitespace to generate minimized CSS files.
+
+```php
+$options = array( 'compress'=>true );
+$parser = new Less_Parser( $options );
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$css = $parser->getCss();
+```
+
+#### Getting Variables
+You can use the getVariables() method to get an all variables defined and
+their value in a php associative array. Note that LESS has to be previously
+compiled.
+```php
+$parser = new Less_Parser;
+$parser->parseFile( '/var/www/mysite/bootstrap.less');
+$css = $parser->getCss();
+$variables = $parser->getVariables();
+
+```
+
+
+
+#### Setting Variables
+You can use the ModifyVars() method to customize your CSS if you have variables stored in PHP associative arrays.
+
+```php
+$parser = new Less_Parser();
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$parser->ModifyVars( array('font-size-base'=>'16px') );
+$css = $parser->getCss();
+```
+
+
+#### Import Directories
+By default, less.php will look for @imports in the directory of the file passed to parseFile().
+If you're using parse() or if @imports reside in different directories, you can tell less.php where to look.
+
+```php
+$directories = array( '/var/www/mysite/bootstrap/' => '/mysite/bootstrap/' );
+$parser = new Less_Parser();
+$parser->SetImportDirs( $directories );
+$parser->parseFile( '/var/www/mysite/theme.less', '/mysite/' );
+$css = $parser->getCss();
+```
+
+
+Caching
+---
+Compiling LESS code into CSS is a time consuming process, caching your results is highly recommended.
+
+
+#### Caching CSS
+Use the Less_Cache class to save and reuse the results of compiled LESS files.
+This method will check the modified time and size of each LESS file (including imported files) and regenerate a new CSS file when changes are found.
+Note: When changes are found, this method will return a different file name for the new cached content.
+
+```php
+$less_files = array( '/var/www/mysite/bootstrap.less' => '/mysite/' );
+$options = array( 'cache_dir' => '/var/www/writable_folder' );
+$css_file_name = Less_Cache::Get( $less_files, $options );
+$compiled = file_get_contents( '/var/www/writable_folder/'.$css_file_name );
+```
+
+#### Caching CSS With Variables
+Passing options to Less_Cache::Get()
+
+```php
+$less_files = array( '/var/www/mysite/bootstrap.less' => '/mysite/' );
+$options = array( 'cache_dir' => '/var/www/writable_folder' );
+$variables = array( 'width' => '100px' );
+$css_file_name = Less_Cache::Get( $less_files, $options, $variables );
+$compiled = file_get_contents( '/var/www/writable_folder/'.$css_file_name );
+```
+
+
+#### Parser Caching
+less.php will save serialized parser data for each .less file if a writable folder is passed to the SetCacheDir() method.
+Note: This feature only caches intermediate parsing results to improve the performance of repeated CSS generation.
+Your application should cache any CSS generated by less.php.
+
+```php
+$options = array('cache_dir'=>'/var/www/writable_folder');
+$parser = new Less_Parser( $options );
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$css = $parser->getCss();
+```
+
+You can specify the caching technique used by changing the ```cache_method``` option. Supported methods are:
+* ```php```: Creates valid PHP files which can be included without any changes (default method).
+* ```var_export```: Like "php", but using PHP's ```var_export()``` function without any optimizations.
+  It's recommended to use "php" instead.
+* ```serialize```: Faster, but pretty memory-intense.
+* ```callback```: Use custom callback functions to implement your own caching method. Give the "cache_callback_get" and
+  "cache_callback_set" options with callables (see PHP's ```call_user_func()``` and ```is_callable()``` functions). less.php
+  will pass the parser object (class ```Less_Parser```), the path to the parsed .less file ("/some/path/to/file.less") and
+  an identifier that will change every time the .less file is modified. The ```get``` callback must return the ruleset
+  (an array with ```Less_Tree``` objects) provided as fourth parameter of the ```set``` callback. If something goes wrong,
+  return ```NULL``` (cache doesn't exist) or ```FALSE```.
+
+
+
+Source Maps
+---
+Less.php supports v3 sourcemaps
+
+#### Inline
+The sourcemap will be appended to the generated CSS file.
+
+```php
+$options = array( 'sourceMap' => true );
+$parser = new Less_Parser($options);
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$css = $parser->getCss();
+```
+
+#### Saving to Map File
+
+```php
+$options = array(
+	'sourceMap'			=> true,
+	'sourceMapWriteTo'	=> '/var/www/mysite/writable_folder/filename.map',
+	'sourceMapURL'		=> '/mysite/writable_folder/filename.map',
+	);
+$parser = new Less_Parser($options);
+$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
+$css = $parser->getCss();
+```
+
+
+Command line
+---
+An additional script has been included to use the compiler from the command line.
+In the simplest invocation, you specify an input file and the compiled CSS is written to standard out:
+
+```
+$ lessc input.less > output.css
+```
+
+By using the -w flag you can watch a specified input file and have it compile as needed to the output file:
+
+```
+$ lessc -w input.less output.css
+```
+
+Errors from watch mode are written to standard out.
+
+For more help, run `lessc --help`
+
+
+Integration with other projects
+---
+
+#### Drupal 7
+
+This library can be used as drop-in replacement of lessphp to work with [Drupal 7 less module](https://drupal.org/project/less).
+
+How to install:
+
+1. [Download the less.php source code](https://github.com/wikimedia/less.php/archive/master.zip) and unzip it so that 'lessc.inc.php' is located at 'sites/all/libraries/lessphp/lessc.inc.php'.
+2. Download and install [Drupal 7 less module](https://drupal.org/project/less) as usual.
+3. That's it :)
+
+#### JBST WordPress theme
+
+JBST has a built-in LESS compiler based on lessphp. Customize your WordPress theme with LESS.
+
+How to use / install:
+
+1. [Download the latest release](https://github.com/bassjobsen/jamedo-bootstrap-start-theme) copy the files to your {wordpress/}wp-content/themes folder and activate it.
+2. Find the compiler under Appearance > LESS Compiler in your WordPress dashboard
+3. Enter your LESS code in the text area and press (re)compile
+
+Use the built-in compiler to:
+- set any [Bootstrap](http://getbootstrap.com/customize/) variable or use Bootstrap's mixins:
+	-`@navbar-default-color: blue;`
+        - create a custom button: `.btn-custom {
+  .button-variant(white; red; blue);
+}`
+- set any built-in LESS variable: for example `@footer_bg_color: black;` sets the background color of the footer to black
+- use built-in mixins: - add a custom font: `.include-custom-font(@family: arial,@font-path, @path: @custom-font-dir, @weight: normal, @style: normal);`
+
+The compiler can also be downloaded as [plugin](http://wordpress.org/plugins/wp-less-to-css/)
+
+#### WordPress
+
+This simple plugin will simply make the library available to other plugins and themes and can be used as a dependency using the [TGM Library](http://tgmpluginactivation.com/)
+
+How to install:
+
+1. Install the plugin from your WordPress Dashboard: http://wordpress.org/plugins/lessphp/
+2. That's it :)
+
+
+Transitioning from Leafo/lessphp
+---
+Projects looking for an easy transition from leafo/lessphp can use the lessc.inc.php adapter. To use, [Download the less.php source code](https://github.com/wikimedia/less.php/archive/master.zip) and unzip the files into your project so that the new 'lessc.inc.php' replaces the existing 'lessc.inc.php'.
+
+Note, the 'setPreserveComments' will no longer have any effect on the compiled LESS.
+
+Credits
+---
+less.php was originally ported to PHP by [Matt Agar](https://github.com/agar) and then updated by [Martin Jantošovič](https://github.com/Mordred). This Wikimedia-maintained fork was split off from [Josh Schmidt's version](https://github.com/oyejorge/less.php).
+
diff --git a/vendor/wikimedia/less.php/bin/lessc b/vendor/wikimedia/less.php/bin/lessc
new file mode 100755
index 0000000..fa1fb95
--- /dev/null
+++ b/vendor/wikimedia/less.php/bin/lessc
@@ -0,0 +1,191 @@
+#!/usr/bin/env php
+<?php
+
+require_once dirname(__FILE__) . '/../lib/Less/Autoloader.php';
+Less_Autoloader::register();
+
+// Create our environment
+$env		= array('compress' => false, 'relativeUrls' => false);
+$silent		= false;
+$watch		= false;
+$rootpath	= '';
+
+// Check for arguments
+array_shift($argv);
+if (!count($argv)) {
+	$argv[] = '-h';
+}
+
+// parse arguments
+foreach ($argv as $key => $arg) {
+	if (preg_match('/^--?([a-z][0-9a-z-]*)(?:=([^\s]+))?$/i', $arg, $matches)) {
+		$option = $matches[1];
+		$value = isset($matches[2]) ? $matches[2] : false;
+		unset($argv[$key]);
+
+		switch ($option) {
+			case 'h':
+			case 'help':
+				echo <<<EOD
+Usage: lessc [options] sources [destination]
+
+ -h, --help            Print help (this message) and exit.
+ -s, --silent          Suppress output of error messages.
+ -v, --version         Print version number and exit.
+ -x, --compress        Compress output by removing some whitespaces.
+ --include-path=PATHS  Set include paths. Separated by `:'. Use `;' on Windows.
+ --strict-imports      Force evaluation of imports.
+ -sm=on|off            Turn on or off strict math, where in strict mode, math
+ --strict-math=on|off  requires brackets. This option may default to on and then
+                       be removed in the future.
+ -su=on|off            Allow mixed units, e.g. 1px+1em or 1px*1px which have units
+ --strict-units=on|off that cannot be represented.
+ -ru, --relative-urls  re-write relative urls to the base less file.
+ -rp, --rootpath=URL   Set rootpath for url rewriting in relative imports and urls.
+                       Works with or without the relative-urls option.
+ -w, --watch           Watch input files for changes.
+
+
+EOD;
+				exit;
+			case 's':
+			case 'silent':
+				$silent = true;
+				break;
+
+			case 'w':
+			case 'watch':
+				$watch = true;
+				break;
+
+			case 'v':
+			case 'version':
+				echo "lessc " . Less_Version::version . " (less.php)\n\n";
+				exit;
+
+			case 'rp':
+			case 'rootpath':
+				$rootpath = $value;
+				break;
+
+
+			//parser options
+			case 'compress':
+				$env['compress'] = true;
+				break;
+
+			case 'ru':
+			case 'relative-urls':
+				$env['relativeUrls'] = true;
+				break;
+
+			case 'su':
+			case 'strict-units':
+				$env['strictUnits'] = ($value === 'on');
+				break;
+
+			case 'sm':
+			case 'strict-math':
+				$env['strictMath'] = ($value === 'on');
+				break;
+
+			case 'x':
+			case 'include-path':
+				$env['import_dirs'] = preg_split('#;|\:#', $value);
+				break;
+
+		}
+	}
+}
+
+if (count($argv) > 1) {
+	$output = array_pop($argv);
+	$inputs = $argv;
+}
+else {
+	$inputs = $argv;
+	$output = false;
+}
+
+if (!count($inputs)) {
+	echo("lessc: no input files\n");
+	exit;
+}
+
+if ($watch) {
+	if (!$output) {
+		echo("lessc: you must specify the output file if --watch is given\n");
+		exit;
+	}
+
+	$lastAction = 0;
+
+	echo("lessc: watching input files\n");
+
+	while (1) {
+		clearstatcache();
+
+		$updated = false;
+		foreach ($inputs as $input) {
+			if ($input == '-') {
+				if (count($inputs) == 1) {
+					echo("lessc: during watching files is not possible to watch stdin\n");
+					exit;
+				}
+				else {
+					continue;
+				}
+			}
+
+			if (filemtime($input) > $lastAction) {
+				$updated = true;
+				break;
+			}
+		}
+
+		if ($updated) {
+			$lastAction = time();
+			$parser = new Less_Parser($env);
+			foreach ($inputs as $input) {
+				try {
+					$parser->parseFile($input, $rootpath);
+				}
+				catch (Exception $e) {
+					echo("lessc: " . $e->getMessage() . " \n");
+					continue; // Invalid processing
+				}
+			}
+
+			file_put_contents($output, $parser->getCss());
+			echo("lessc: output file recompiled\n");
+		}
+
+		sleep(1);
+	}
+}
+else {
+	$parser = new Less_Parser($env);
+	foreach ($inputs as $input) {
+		if ($input == '-') {
+			$content = file_get_contents('php://stdin');
+			$parser->parse($content);
+		}
+		else {
+			try {
+				$parser->parseFile($input);
+			}
+			catch (Exception $e) {
+				if (!$silent) {
+					echo("lessc: " . ((string)$e) . " \n");
+				}
+			}
+		}
+	}
+
+	if ($output) {
+		file_put_contents($output, $parser->getCss());
+	}
+	else {
+		echo $parser->getCss();
+	}
+}
diff --git a/vendor/wikimedia/less.php/composer.json b/vendor/wikimedia/less.php/composer.json
new file mode 100755
index 0000000..970dd27
--- /dev/null
+++ b/vendor/wikimedia/less.php/composer.json
@@ -0,0 +1,49 @@
+{
+	"name": "wikimedia/less.php",
+	"description": "PHP port of the Javascript version of LESS http://lesscss.org (Originally maintained by Josh Schmidt)",
+	"keywords": [ "less", "css", "php", "stylesheet", "less.js", "lesscss" ],
+	"license": "Apache-2.0",
+	"authors": [
+		{
+			"name": "Josh Schmidt",
+			"homepage": "https://github.com/oyejorge"
+		},
+		{
+			"name": "Matt Agar",
+			"homepage": "https://github.com/agar"
+		},
+		{
+			"name": "Martin Jantošovič",
+			"homepage": "https://github.com/Mordred"
+		}
+	],
+	"require": {
+		"php": ">=7.2.9"
+	},
+	"require-dev": {
+		"mediawiki/mediawiki-codesniffer": "34.0.0",
+		"mediawiki/minus-x": "1.0.0",
+		"php-parallel-lint/php-console-highlighter": "0.5.0",
+		"php-parallel-lint/php-parallel-lint": "1.2.0",
+		"phpunit/phpunit": "^8.5"
+	},
+	"scripts": {
+		"test": [
+			"parallel-lint . --exclude vendor",
+			"phpcs -sp",
+			"phpunit",
+			"minus-x check ."
+		],
+		"fix": [
+			"minus-x fix .",
+			"phpcbf"
+		]
+	},
+	"autoload": {
+		"psr-0": { "Less": "lib/" },
+		"classmap": ["lessc.inc.php"]
+	},
+	"bin": [
+		"bin/lessc"
+	]
+}
diff --git a/vendor/wikimedia/less.php/lessc.inc.php b/vendor/wikimedia/less.php/lessc.inc.php
new file mode 100755
index 0000000..284445f
--- /dev/null
+++ b/vendor/wikimedia/less.php/lessc.inc.php
@@ -0,0 +1,274 @@
+<?php
+/**
+ * This file provides the part of lessphp API (https://github.com/leafo/lessphp)
+ * to be a drop-in replacement for following products:
+ *  - Drupal 7, by the less module v3.0+ (https://drupal.org/project/less)
+ *  - Symfony 2
+ */
+
+// Register autoloader for non-composer installations
+if ( !class_exists( 'Less_Parser' ) ) {
+	require_once __DIR__ . '/lib/Less/Autoloader.php';
+	Less_Autoloader::register();
+}
+
+class lessc {
+
+	static public $VERSION = Less_Version::less_version;
+
+	public $importDir = '';
+	protected $allParsedFiles = array();
+	protected $libFunctions = array();
+	protected $registeredVars = array();
+	private $formatterName;
+	private $options = array();
+
+	public function __construct( $lessc = null, $sourceName = null ) {
+	}
+
+	public function setImportDir( $dirs ) {
+		$this->importDir = (array)$dirs;
+	}
+
+	public function addImportDir( $dir ) {
+		$this->importDir = (array)$this->importDir;
+		$this->importDir[] = $dir;
+	}
+
+	public function setFormatter( $name ) {
+		$this->formatterName = $name;
+	}
+
+	public function setPreserveComments( $preserve ) {
+	}
+
+	public function registerFunction( $name, $func ) {
+		$this->libFunctions[$name] = $func;
+	}
+
+	public function unregisterFunction( $name ) {
+		unset( $this->libFunctions[$name] );
+	}
+
+	public function setVariables( $variables ) {
+		foreach ( $variables as $name => $value ) {
+			$this->setVariable( $name, $value );
+		}
+	}
+
+	public function setVariable( $name, $value ) {
+		$this->registeredVars[$name] = $value;
+	}
+
+	public function unsetVariable( $name ) {
+		unset( $this->registeredVars[$name] );
+	}
+
+	public function setOptions( $options ) {
+		foreach ( $options as $name => $value ) {
+			$this->setOption( $name, $value );
+		}
+	}
+
+	public function setOption( $name, $value ) {
+		$this->options[$name] = $value;
+	}
+
+	public function parse( $buffer, $presets = array() ) {
+		$this->setVariables( $presets );
+
+		$parser = new Less_Parser( $this->getOptions() );
+		$parser->setImportDirs( $this->getImportDirs() );
+		foreach ( $this->libFunctions as $name => $func ) {
+			$parser->registerFunction( $name, $func );
+		}
+		$parser->parse( $buffer );
+		if ( count( $this->registeredVars ) ) {
+			$parser->ModifyVars( $this->registeredVars );
+		}
+
+		return $parser->getCss();
+	}
+
+	protected function getOptions() {
+		$options = array( 'relativeUrls' => false );
+		switch ( $this->formatterName ) {
+			case 'compressed':
+				$options['compress'] = true;
+				break;
+		}
+		if ( is_array( $this->options ) ) {
+			$options = array_merge( $options, $this->options );
+		}
+		return $options;
+	}
+
+	protected function getImportDirs() {
+		$dirs_ = (array)$this->importDir;
+		$dirs = array();
+		foreach ( $dirs_ as $dir ) {
+			$dirs[$dir] = '';
+		}
+		return $dirs;
+	}
+
+	public function compile( $string, $name = null ) {
+		$oldImport = $this->importDir;
+		$this->importDir = (array)$this->importDir;
+
+		$this->allParsedFiles = array();
+
+		$parser = new Less_Parser( $this->getOptions() );
+		$parser->SetImportDirs( $this->getImportDirs() );
+		if ( count( $this->registeredVars ) ) {
+			$parser->ModifyVars( $this->registeredVars );
+		}
+		foreach ( $this->libFunctions as $name => $func ) {
+			$parser->registerFunction( $name, $func );
+		}
+		$parser->parse( $string );
+		$out = $parser->getCss();
+
+		$parsed = Less_Parser::AllParsedFiles();
+		foreach ( $parsed as $file ) {
+			$this->addParsedFile( $file );
+		}
+
+		$this->importDir = $oldImport;
+
+		return $out;
+	}
+
+	public function compileFile( $fname, $outFname = null ) {
+		if ( !is_readable( $fname ) ) {
+			throw new Exception( 'load error: failed to find '.$fname );
+		}
+
+		$pi = pathinfo( $fname );
+
+		$oldImport = $this->importDir;
+
+		$this->importDir = (array)$this->importDir;
+		$this->importDir[] = Less_Parser::AbsPath( $pi['dirname'] ).'/';
+
+		$this->allParsedFiles = array();
+		$this->addParsedFile( $fname );
+
+		$parser = new Less_Parser( $this->getOptions() );
+		$parser->SetImportDirs( $this->getImportDirs() );
+		if ( count( $this->registeredVars ) ) {
+			$parser->ModifyVars( $this->registeredVars );
+		}
+		foreach ( $this->libFunctions as $name => $func ) {
+			$parser->registerFunction( $name, $func );
+		}
+		$parser->parseFile( $fname );
+		$out = $parser->getCss();
+
+		$parsed = Less_Parser::AllParsedFiles();
+		foreach ( $parsed as $file ) {
+			$this->addParsedFile( $file );
+		}
+
+		$this->importDir = $oldImport;
+
+		if ( $outFname !== null ) {
+			return file_put_contents( $outFname, $out );
+		}
+
+		return $out;
+	}
+
+	public function checkedCompile( $in, $out ) {
+		if ( !is_file( $out ) || filemtime( $in ) > filemtime( $out ) ) {
+			$this->compileFile( $in, $out );
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Execute lessphp on a .less file or a lessphp cache structure
+	 *
+	 * The lessphp cache structure contains information about a specific
+	 * less file having been parsed. It can be used as a hint for future
+	 * calls to determine whether or not a rebuild is required.
+	 *
+	 * The cache structure contains two important keys that may be used
+	 * externally:
+	 *
+	 * compiled: The final compiled CSS
+	 * updated: The time (in seconds) the CSS was last compiled
+	 *
+	 * The cache structure is a plain-ol' PHP associative array and can
+	 * be serialized and unserialized without a hitch.
+	 *
+	 * @param mixed $in Input
+	 * @param bool $force Force rebuild?
+	 * @return array lessphp cache structure
+	 */
+	public function cachedCompile( $in, $force = false ) {
+		// assume no root
+		$root = null;
+
+		if ( is_string( $in ) ) {
+			$root = $in;
+		} elseif ( is_array( $in ) and isset( $in['root'] ) ) {
+			if ( $force or !isset( $in['files'] ) ) {
+				// If we are forcing a recompile or if for some reason the
+				// structure does not contain any file information we should
+				// specify the root to trigger a rebuild.
+				$root = $in['root'];
+			} elseif ( isset( $in['files'] ) and is_array( $in['files'] ) ) {
+				foreach ( $in['files'] as $fname => $ftime ) {
+					if ( !file_exists( $fname ) or filemtime( $fname ) > $ftime ) {
+						// One of the files we knew about previously has changed
+						// so we should look at our incoming root again.
+						$root = $in['root'];
+						break;
+					}
+				}
+			}
+		} else {
+			// TODO: Throw an exception? We got neither a string nor something
+			// that looks like a compatible lessphp cache structure.
+			return null;
+		}
+
+		if ( $root !== null ) {
+			// If we have a root value which means we should rebuild.
+			$out = array();
+			$out['root'] = $root;
+			$out['compiled'] = $this->compileFile( $root );
+			$out['files'] = $this->allParsedFiles();
+			$out['updated'] = time();
+			return $out;
+		} else {
+			// No changes, pass back the structure
+			// we were given initially.
+			return $in;
+		}
+	}
+
+	public function ccompile( $in, $out, $less = null ) {
+		if ( $less === null ) {
+			$less = new self;
+		}
+		return $less->checkedCompile( $in, $out );
+	}
+
+	public static function cexecute( $in, $force = false, $less = null ) {
+		if ( $less === null ) {
+			$less = new self;
+		}
+		return $less->cachedCompile( $in, $force );
+	}
+
+	public function allParsedFiles() {
+		return $this->allParsedFiles;
+	}
+
+	protected function addParsedFile( $file ) {
+		$this->allParsedFiles[Less_Parser::AbsPath( $file )] = filemtime( $file );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/.easymin/ignore_prefixes b/vendor/wikimedia/less.php/lib/Less/.easymin/ignore_prefixes
new file mode 100755
index 0000000..ca953b2
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/.easymin/ignore_prefixes
@@ -0,0 +1,2 @@
+.easymin
+Autoloader.php
diff --git a/vendor/wikimedia/less.php/lib/Less/Autoloader.php b/vendor/wikimedia/less.php/lib/Less/Autoloader.php
new file mode 100755
index 0000000..00116f7
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Autoloader.php
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * Autoloader
+ *
+ * @package Less
+ * @subpackage autoload
+ */
+class Less_Autoloader {
+
+	/**
+	 * Registered flag
+	 *
+	 * @var boolean
+	 */
+	protected static $registered = false;
+
+	/**
+	 * Library directory
+	 *
+	 * @var string
+	 */
+	protected static $libDir;
+
+	/**
+	 * Register the autoloader in the spl autoloader
+	 *
+	 * @return void
+	 * @throws Exception If there was an error in registration
+	 */
+	public static function register() {
+		if ( self::$registered ) {
+			return;
+		}
+
+		self::$libDir = dirname( __FILE__ );
+
+		if ( false === spl_autoload_register( array( 'Less_Autoloader', 'loadClass' ) ) ) {
+			throw new Exception( 'Unable to register Less_Autoloader::loadClass as an autoloading method.' );
+		}
+
+		self::$registered = true;
+	}
+
+	/**
+	 * Unregisters the autoloader
+	 *
+	 * @return void
+	 */
+	public static function unregister() {
+		spl_autoload_unregister( array( 'Less_Autoloader', 'loadClass' ) );
+		self::$registered = false;
+	}
+
+	/**
+	 * Loads the class
+	 *
+	 * @param string $className The class to load
+	 */
+	public static function loadClass( $className ) {
+		// handle only package classes
+		if ( strpos( $className, 'Less_' ) !== 0 ) {
+			return;
+		}
+
+		$className = substr( $className, 5 );
+		$fileName = self::$libDir . DIRECTORY_SEPARATOR . str_replace( '_', DIRECTORY_SEPARATOR, $className ) . '.php';
+
+		if ( file_exists( $fileName ) ) {
+			require $fileName;
+			return true;
+		} else {
+			throw new Exception( 'file not loadable '.$fileName );
+		}
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Cache.php b/vendor/wikimedia/less.php/lib/Less/Cache.php
new file mode 100755
index 0000000..7b6df23
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Cache.php
@@ -0,0 +1,293 @@
+<?php
+
+require_once dirname( __FILE__ ).'/Version.php';
+
+/**
+ * Utility for handling the generation and caching of css files
+ *
+ * @package Less
+ * @subpackage cache
+ *
+ */
+class Less_Cache {
+
+	// directory less.php can use for storing data
+	public static $cache_dir	= false;
+
+	// prefix for the storing data
+	public static $prefix		= 'lessphp_';
+
+	// prefix for the storing vars
+	public static $prefix_vars	= 'lessphpvars_';
+
+	// specifies the number of seconds after which data created by less.php will be seen as 'garbage' and potentially cleaned up
+	public static $gc_lifetime	= 604800;
+
+	/**
+	 * Save and reuse the results of compiled less files.
+	 * The first call to Get() will generate css and save it.
+	 * Subsequent calls to Get() with the same arguments will return the same css filename
+	 *
+	 * @param array $less_files Array of .less files to compile
+	 * @param array $parser_options Array of compiler options
+	 * @param array $modify_vars Array of variables
+	 * @return string Name of the css file
+	 */
+	public static function Get( $less_files, $parser_options = array(), $modify_vars = array() ) {
+		// check $cache_dir
+		if ( isset( $parser_options['cache_dir'] ) ) {
+			Less_Cache::$cache_dir = $parser_options['cache_dir'];
+		}
+
+		if ( empty( Less_Cache::$cache_dir ) ) {
+			throw new Exception( 'cache_dir not set' );
+		}
+
+		if ( isset( $parser_options['prefix'] ) ) {
+			Less_Cache::$prefix = $parser_options['prefix'];
+		}
+
+		if ( empty( Less_Cache::$prefix ) ) {
+			throw new Exception( 'prefix not set' );
+		}
+
+		if ( isset( $parser_options['prefix_vars'] ) ) {
+			Less_Cache::$prefix_vars = $parser_options['prefix_vars'];
+		}
+
+		if ( empty( Less_Cache::$prefix_vars ) ) {
+			throw new Exception( 'prefix_vars not set' );
+		}
+
+		self::CheckCacheDir();
+		$less_files = (array)$less_files;
+
+		// create a file for variables
+		if ( !empty( $modify_vars ) ) {
+			$lessvars = Less_Parser::serializeVars( $modify_vars );
+			$vars_file = Less_Cache::$cache_dir . Less_Cache::$prefix_vars . sha1( $lessvars ) . '.less';
+
+			if ( !file_exists( $vars_file ) ) {
+				file_put_contents( $vars_file, $lessvars );
+			}
+
+			$less_files += array( $vars_file => '/' );
+		}
+
+		// generate name for compiled css file
+		$hash = md5( json_encode( $less_files ) );
+		$list_file = Less_Cache::$cache_dir . Less_Cache::$prefix . $hash . '.list';
+
+		// check cached content
+		if ( !isset( $parser_options['use_cache'] ) || $parser_options['use_cache'] === true ) {
+			if ( file_exists( $list_file ) ) {
+
+				self::ListFiles( $list_file, $list, $cached_name );
+				$compiled_name = self::CompiledName( $list, $hash );
+
+				// if $cached_name is the same as the $compiled name, don't regenerate
+				if ( !$cached_name || $cached_name === $compiled_name ) {
+
+					$output_file = self::OutputFile( $compiled_name, $parser_options );
+
+					if ( $output_file && file_exists( $output_file ) ) {
+						@touch( $list_file );
+						return basename( $output_file ); // for backwards compatibility, we just return the name of the file
+					}
+				}
+			}
+		}
+
+		$compiled = self::Cache( $less_files, $parser_options );
+		if ( !$compiled ) {
+			return false;
+		}
+
+		$compiled_name = self::CompiledName( $less_files, $hash );
+		$output_file = self::OutputFile( $compiled_name, $parser_options );
+
+		// save the file list
+		$list = $less_files;
+		$list[] = $compiled_name;
+		$cache = implode( "\n", $list );
+		file_put_contents( $list_file, $cache );
+
+		// save the css
+		file_put_contents( $output_file, $compiled );
+
+		// clean up
+		self::CleanCache();
+
+		return basename( $output_file );
+	}
+
+	/**
+	 * Force the compiler to regenerate the cached css file
+	 *
+	 * @param array $less_files Array of .less files to compile
+	 * @param array $parser_options Array of compiler options
+	 * @param array $modify_vars Array of variables
+	 * @return string Name of the css file
+	 */
+	public static function Regen( $less_files, $parser_options = array(), $modify_vars = array() ) {
+		$parser_options['use_cache'] = false;
+		return self::Get( $less_files, $parser_options, $modify_vars );
+	}
+
+	public static function Cache( &$less_files, $parser_options = array() ) {
+		// get less.php if it exists
+		$file = dirname( __FILE__ ) . '/Less.php';
+		if ( file_exists( $file ) && !class_exists( 'Less_Parser' ) ) {
+			require_once $file;
+		}
+
+		$parser_options['cache_dir'] = Less_Cache::$cache_dir;
+		$parser = new Less_Parser( $parser_options );
+
+		// combine files
+		foreach ( $less_files as $file_path => $uri_or_less ) {
+
+			// treat as less markup if there are newline characters
+			if ( strpos( $uri_or_less, "\n" ) !== false ) {
+				$parser->Parse( $uri_or_less );
+				continue;
+			}
+
+			$parser->ParseFile( $file_path, $uri_or_less );
+		}
+
+		$compiled = $parser->getCss();
+
+		$less_files = $parser->allParsedFiles();
+
+		return $compiled;
+	}
+
+	private static function OutputFile( $compiled_name, $parser_options ) {
+		// custom output file
+		if ( !empty( $parser_options['output'] ) ) {
+
+			// relative to cache directory?
+			if ( preg_match( '#[\\\\/]#', $parser_options['output'] ) ) {
+				return $parser_options['output'];
+			}
+
+			return Less_Cache::$cache_dir.$parser_options['output'];
+		}
+
+		return Less_Cache::$cache_dir.$compiled_name;
+	}
+
+	private static function CompiledName( $files, $extrahash ) {
+		// save the file list
+		$temp = array( Less_Version::cache_version );
+		foreach ( $files as $file ) {
+			$temp[] = filemtime( $file )."\t".filesize( $file )."\t".$file;
+		}
+
+		return Less_Cache::$prefix.sha1( json_encode( $temp ).$extrahash ).'.css';
+	}
+
+	public static function SetCacheDir( $dir ) {
+		Less_Cache::$cache_dir = $dir;
+		self::CheckCacheDir();
+	}
+
+	public static function CheckCacheDir() {
+		Less_Cache::$cache_dir = str_replace( '\\', '/', Less_Cache::$cache_dir );
+		Less_Cache::$cache_dir = rtrim( Less_Cache::$cache_dir, '/' ).'/';
+
+		if ( !file_exists( Less_Cache::$cache_dir ) ) {
+			if ( !mkdir( Less_Cache::$cache_dir ) ) {
+				throw new Less_Exception_Parser( 'Less.php cache directory couldn\'t be created: '.Less_Cache::$cache_dir );
+			}
+
+		} elseif ( !is_dir( Less_Cache::$cache_dir ) ) {
+			throw new Less_Exception_Parser( 'Less.php cache directory doesn\'t exist: '.Less_Cache::$cache_dir );
+
+		} elseif ( !is_writable( Less_Cache::$cache_dir ) ) {
+			throw new Less_Exception_Parser( 'Less.php cache directory isn\'t writable: '.Less_Cache::$cache_dir );
+
+		}
+
+	}
+
+	/**
+	 * Delete unused less.php files
+	 *
+	 */
+	public static function CleanCache() {
+		static $clean = false;
+
+		if ( $clean || empty( Less_Cache::$cache_dir ) ) {
+			return;
+		}
+
+		$clean = true;
+
+		// only remove files with extensions created by less.php
+		// css files removed based on the list files
+		$remove_types = array( 'lesscache' => 1,'list' => 1,'less' => 1,'map' => 1 );
+
+		$files = scandir( Less_Cache::$cache_dir );
+		if ( !$files ) {
+			return;
+		}
+
+		$check_time = time() - self::$gc_lifetime;
+		foreach ( $files as $file ) {
+
+			// don't delete if the file wasn't created with less.php
+			if ( strpos( $file, Less_Cache::$prefix ) !== 0 ) {
+				continue;
+			}
+
+			$parts = explode( '.', $file );
+			$type = array_pop( $parts );
+
+			if ( !isset( $remove_types[$type] ) ) {
+				continue;
+			}
+
+			$full_path = Less_Cache::$cache_dir . $file;
+			$mtime = filemtime( $full_path );
+
+			// don't delete if it's a relatively new file
+			if ( $mtime > $check_time ) {
+				continue;
+			}
+
+			// delete the list file and associated css file
+			if ( $type === 'list' ) {
+				self::ListFiles( $full_path, $list, $css_file_name );
+				if ( $css_file_name ) {
+					$css_file = Less_Cache::$cache_dir . $css_file_name;
+					if ( file_exists( $css_file ) ) {
+						unlink( $css_file );
+					}
+				}
+			}
+
+			unlink( $full_path );
+		}
+
+	}
+
+	/**
+	 * Get the list of less files and generated css file from a list file
+	 *
+	 */
+	static function ListFiles( $list_file, &$list, &$css_file_name ) {
+		$list = explode( "\n", file_get_contents( $list_file ) );
+
+		// pop the cached name that should match $compiled_name
+		$css_file_name = array_pop( $list );
+
+		if ( !preg_match( '/^' . Less_Cache::$prefix . '[a-f0-9]+\.css$/', $css_file_name ) ) {
+			$list[] = $css_file_name;
+			$css_file_name = false;
+		}
+
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Colors.php b/vendor/wikimedia/less.php/lib/Less/Colors.php
new file mode 100755
index 0000000..9be76cb
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Colors.php
@@ -0,0 +1,169 @@
+<?php
+
+/**
+ * Utility for css colors
+ *
+ * @package Less
+ * @subpackage color
+ */
+class Less_Colors {
+
+	public static $colors = array(
+			'aliceblue' => '#f0f8ff',
+			'antiquewhite' => '#faebd7',
+			'aqua' => '#00ffff',
+			'aquamarine' => '#7fffd4',
+			'azure' => '#f0ffff',
+			'beige' => '#f5f5dc',
+			'bisque' => '#ffe4c4',
+			'black' => '#000000',
+			'blanchedalmond' => '#ffebcd',
+			'blue' => '#0000ff',
+			'blueviolet' => '#8a2be2',
+			'brown' => '#a52a2a',
+			'burlywood' => '#deb887',
+			'cadetblue' => '#5f9ea0',
+			'chartreuse' => '#7fff00',
+			'chocolate' => '#d2691e',
+			'coral' => '#ff7f50',
+			'cornflowerblue' => '#6495ed',
+			'cornsilk' => '#fff8dc',
+			'crimson' => '#dc143c',
+			'cyan' => '#00ffff',
+			'darkblue' => '#00008b',
+			'darkcyan' => '#008b8b',
+			'darkgoldenrod' => '#b8860b',
+			'darkgray' => '#a9a9a9',
+			'darkgrey' => '#a9a9a9',
+			'darkgreen' => '#006400',
+			'darkkhaki' => '#bdb76b',
+			'darkmagenta' => '#8b008b',
+			'darkolivegreen' => '#556b2f',
+			'darkorange' => '#ff8c00',
+			'darkorchid' => '#9932cc',
+			'darkred' => '#8b0000',
+			'darksalmon' => '#e9967a',
+			'darkseagreen' => '#8fbc8f',
+			'darkslateblue' => '#483d8b',
+			'darkslategray' => '#2f4f4f',
+			'darkslategrey' => '#2f4f4f',
+			'darkturquoise' => '#00ced1',
+			'darkviolet' => '#9400d3',
+			'deeppink' => '#ff1493',
+			'deepskyblue' => '#00bfff',
+			'dimgray' => '#696969',
+			'dimgrey' => '#696969',
+			'dodgerblue' => '#1e90ff',
+			'firebrick' => '#b22222',
+			'floralwhite' => '#fffaf0',
+			'forestgreen' => '#228b22',
+			'fuchsia' => '#ff00ff',
+			'gainsboro' => '#dcdcdc',
+			'ghostwhite' => '#f8f8ff',
+			'gold' => '#ffd700',
+			'goldenrod' => '#daa520',
+			'gray' => '#808080',
+			'grey' => '#808080',
+			'green' => '#008000',
+			'greenyellow' => '#adff2f',
+			'honeydew' => '#f0fff0',
+			'hotpink' => '#ff69b4',
+			'indianred' => '#cd5c5c',
+			'indigo' => '#4b0082',
+			'ivory' => '#fffff0',
+			'khaki' => '#f0e68c',
+			'lavender' => '#e6e6fa',
+			'lavenderblush' => '#fff0f5',
+			'lawngreen' => '#7cfc00',
+			'lemonchiffon' => '#fffacd',
+			'lightblue' => '#add8e6',
+			'lightcoral' => '#f08080',
+			'lightcyan' => '#e0ffff',
+			'lightgoldenrodyellow' => '#fafad2',
+			'lightgray' => '#d3d3d3',
+			'lightgrey' => '#d3d3d3',
+			'lightgreen' => '#90ee90',
+			'lightpink' => '#ffb6c1',
+			'lightsalmon' => '#ffa07a',
+			'lightseagreen' => '#20b2aa',
+			'lightskyblue' => '#87cefa',
+			'lightslategray' => '#778899',
+			'lightslategrey' => '#778899',
+			'lightsteelblue' => '#b0c4de',
+			'lightyellow' => '#ffffe0',
+			'lime' => '#00ff00',
+			'limegreen' => '#32cd32',
+			'linen' => '#faf0e6',
+			'magenta' => '#ff00ff',
+			'maroon' => '#800000',
+			'mediumaquamarine' => '#66cdaa',
+			'mediumblue' => '#0000cd',
+			'mediumorchid' => '#ba55d3',
+			'mediumpurple' => '#9370d8',
+			'mediumseagreen' => '#3cb371',
+			'mediumslateblue' => '#7b68ee',
+			'mediumspringgreen' => '#00fa9a',
+			'mediumturquoise' => '#48d1cc',
+			'mediumvioletred' => '#c71585',
+			'midnightblue' => '#191970',
+			'mintcream' => '#f5fffa',
+			'mistyrose' => '#ffe4e1',
+			'moccasin' => '#ffe4b5',
+			'navajowhite' => '#ffdead',
+			'navy' => '#000080',
+			'oldlace' => '#fdf5e6',
+			'olive' => '#808000',
+			'olivedrab' => '#6b8e23',
+			'orange' => '#ffa500',
+			'orangered' => '#ff4500',
+			'orchid' => '#da70d6',
+			'palegoldenrod' => '#eee8aa',
+			'palegreen' => '#98fb98',
+			'paleturquoise' => '#afeeee',
+			'palevioletred' => '#d87093',
+			'papayawhip' => '#ffefd5',
+			'peachpuff' => '#ffdab9',
+			'peru' => '#cd853f',
+			'pink' => '#ffc0cb',
+			'plum' => '#dda0dd',
+			'powderblue' => '#b0e0e6',
+			'purple' => '#800080',
+			'red' => '#ff0000',
+			'rosybrown' => '#bc8f8f',
+			'royalblue' => '#4169e1',
+			'saddlebrown' => '#8b4513',
+			'salmon' => '#fa8072',
+			'sandybrown' => '#f4a460',
+			'seagreen' => '#2e8b57',
+			'seashell' => '#fff5ee',
+			'sienna' => '#a0522d',
+			'silver' => '#c0c0c0',
+			'skyblue' => '#87ceeb',
+			'slateblue' => '#6a5acd',
+			'slategray' => '#708090',
+			'slategrey' => '#708090',
+			'snow' => '#fffafa',
+			'springgreen' => '#00ff7f',
+			'steelblue' => '#4682b4',
+			'tan' => '#d2b48c',
+			'teal' => '#008080',
+			'thistle' => '#d8bfd8',
+			'tomato' => '#ff6347',
+			'turquoise' => '#40e0d0',
+			'violet' => '#ee82ee',
+			'wheat' => '#f5deb3',
+			'white' => '#ffffff',
+			'whitesmoke' => '#f5f5f5',
+			'yellow' => '#ffff00',
+			'yellowgreen' => '#9acd32'
+		);
+
+	public static function hasOwnProperty( $color ) {
+		return isset( self::$colors[$color] );
+	}
+
+	public static function color( $color ) {
+		return self::$colors[$color];
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Configurable.php b/vendor/wikimedia/less.php/lib/Less/Configurable.php
new file mode 100755
index 0000000..7f1348b
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Configurable.php
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * Configurable
+ *
+ * @package Less
+ * @subpackage Core
+ */
+abstract class Less_Configurable {
+
+	/**
+	 * Array of options
+	 *
+	 * @var array
+	 */
+	protected $options = array();
+
+	/**
+	 * Array of default options
+	 *
+	 * @var array
+	 */
+	protected $defaultOptions = array();
+
+	/**
+	 * Set options
+	 *
+	 * If $options is an object it will be converted into an array by called
+	 * it's toArray method.
+	 *
+	 * @throws Exception
+	 * @param array|object $options
+	 *
+	 */
+	public function setOptions( $options ) {
+		$options = array_intersect_key( $options, $this->defaultOptions );
+		$this->options = array_merge( $this->defaultOptions, $this->options, $options );
+	}
+
+	/**
+	 * Get an option value by name
+	 *
+	 * If the option is empty or not set a NULL value will be returned.
+	 *
+	 * @param string $name
+	 * @param mixed $default Default value if confiuration of $name is not present
+	 * @return mixed
+	 */
+	public function getOption( $name, $default = null ) {
+		if ( isset( $this->options[$name] ) ) {
+			return $this->options[$name];
+		}
+		return $default;
+	}
+
+	/**
+	 * Set an option
+	 *
+	 * @param string $name
+	 * @param mixed $value
+	 */
+	public function setOption( $name, $value ) {
+		$this->options[$name] = $value;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Environment.php b/vendor/wikimedia/less.php/lib/Less/Environment.php
new file mode 100755
index 0000000..2555d03
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Environment.php
@@ -0,0 +1,157 @@
+<?php
+
+/**
+ * Environment
+ *
+ * @package Less
+ * @subpackage environment
+ */
+class Less_Environment {
+
+	// public $paths = array();              // option - unmodified - paths to search for imports on
+	//public static $files = array();		// list of files that have been imported, used for import-once
+	//public $rootpath;						// option - rootpath to append to URL's
+	//public static $strictImports = null;	// option -
+	//public $insecure;						// option - whether to allow imports from insecure ssl hosts
+	//public $processImports;				// option - whether to process imports. if false then imports will not be imported
+	//public $javascriptEnabled;			// option - whether JavaScript is enabled. if undefined, defaults to true
+	//public $useFileCache;					// browser only - whether to use the per file session cache
+	public $currentFileInfo;				// information about the current file - for error reporting and importing and making urls relative etc.
+
+	public $importMultiple = false; 		// whether we are currently importing multiple copies
+
+	/**
+	 * @var array
+	 */
+	public $frames = array();
+
+	/**
+	 * @var array
+	 */
+	public $mediaBlocks = array();
+
+	/**
+	 * @var array
+	 */
+	public $mediaPath = array();
+
+	public static $parensStack = 0;
+
+	public static $tabLevel = 0;
+
+	public static $lastRule = false;
+
+	public static $_outputMap;
+
+	public static $mixin_stack = 0;
+
+	/**
+	 * @var array
+	 */
+	public $functions = array();
+
+	public function Init() {
+		self::$parensStack = 0;
+		self::$tabLevel = 0;
+		self::$lastRule = false;
+		self::$mixin_stack = 0;
+
+		if ( Less_Parser::$options['compress'] ) {
+
+			Less_Environment::$_outputMap = array(
+				','	=> ',',
+				': ' => ':',
+				''  => '',
+				' ' => ' ',
+				':' => ' :',
+				'+' => '+',
+				'~' => '~',
+				'>' => '>',
+				'|' => '|',
+				'^' => '^',
+				'^^' => '^^'
+			);
+
+		} else {
+
+			Less_Environment::$_outputMap = array(
+				','	=> ', ',
+				': ' => ': ',
+				''  => '',
+				' ' => ' ',
+				':' => ' :',
+				'+' => ' + ',
+				'~' => ' ~ ',
+				'>' => ' > ',
+				'|' => '|',
+				'^' => ' ^ ',
+				'^^' => ' ^^ '
+			);
+
+		}
+	}
+
+	public function copyEvalEnv( $frames = array() ) {
+		$new_env = new Less_Environment();
+		$new_env->frames = $frames;
+		return $new_env;
+	}
+
+	public static function isMathOn() {
+		return !Less_Parser::$options['strictMath'] || Less_Environment::$parensStack;
+	}
+
+	public static function isPathRelative( $path ) {
+		return !preg_match( '/^(?:[a-z-]+:|\/)/', $path );
+	}
+
+	/**
+	 * Canonicalize a path by resolving references to '/./', '/../'
+	 * Does not remove leading "../"
+	 * @param string path or url
+	 * @return string Canonicalized path
+	 *
+	 */
+	public static function normalizePath( $path ) {
+		$segments = explode( '/', $path );
+		$segments = array_reverse( $segments );
+
+		$path = array();
+		$path_len = 0;
+
+		while ( $segments ) {
+			$segment = array_pop( $segments );
+			switch ( $segment ) {
+
+				case '.':
+				break;
+
+				case '..':
+					if ( !$path_len || ( $path[$path_len - 1] === '..' ) ) {
+						$path[] = $segment;
+						$path_len++;
+					} else {
+						array_pop( $path );
+						$path_len--;
+					}
+				break;
+
+				default:
+					$path[] = $segment;
+					$path_len++;
+				break;
+			}
+		}
+
+		return implode( '/', $path );
+	}
+
+	public function unshiftFrame( $frame ) {
+		array_unshift( $this->frames, $frame );
+	}
+
+	public function shiftFrame() {
+		return array_shift( $this->frames );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php b/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php
new file mode 100755
index 0000000..1f1dddb
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Exception/Chunk.php
@@ -0,0 +1,203 @@
+<?php
+
+/**
+ * Chunk Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Chunk extends Less_Exception_Parser {
+
+	protected $parserCurrentIndex = 0;
+
+	protected $emitFrom = 0;
+
+	protected $input_len;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $input
+	 * @param Exception $previous Previous exception
+	 * @param integer $index The current parser index
+	 * @param Less_FileInfo|string $currentFile The file
+	 * @param integer $code The exception code
+	 */
+	public function __construct( $input, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
+		$this->message = 'ParseError: Unexpected input'; // default message
+
+		$this->index = $index;
+
+		$this->currentFile = $currentFile;
+
+		$this->input = $input;
+		$this->input_len = strlen( $input );
+
+		$this->Chunks();
+		$this->genMessage();
+	}
+
+	/**
+	 * See less.js chunks()
+	 * We don't actually need the chunks
+	 *
+	 */
+	protected function Chunks() {
+		$level = 0;
+		$parenLevel = 0;
+		$lastMultiCommentEndBrace = null;
+		$lastOpening = null;
+		$lastMultiComment = null;
+		$lastParen = null;
+
+		for ( $this->parserCurrentIndex = 0; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+			$cc = $this->CharCode( $this->parserCurrentIndex );
+			if ( ( ( $cc >= 97 ) && ( $cc <= 122 ) ) || ( $cc < 34 ) ) {
+				// a-z or whitespace
+				continue;
+			}
+
+			switch ( $cc ) {
+
+				// (
+				case 40:
+					$parenLevel++;
+					$lastParen = $this->parserCurrentIndex;
+					break;
+
+				// )
+				case 41:
+					$parenLevel--;
+					if ( $parenLevel < 0 ) {
+						return $this->fail( "missing opening `(`" );
+					}
+					break;
+
+				// ;
+				case 59:
+					// if (!$parenLevel) { $this->emitChunk();   }
+					break;
+
+				// {
+				case 123:
+					$level++;
+					$lastOpening = $this->parserCurrentIndex;
+					break;
+
+				// }
+				case 125:
+					$level--;
+					if ( $level < 0 ) {
+						return $this->fail( "missing opening `{`" );
+
+					}
+					// if (!$level && !$parenLevel) { $this->emitChunk(); }
+					break;
+				// \
+				case 92:
+					if ( $this->parserCurrentIndex < $this->input_len - 1 ) { $this->parserCurrentIndex++; break;
+					}
+					return $this->fail( "unescaped `\\`" );
+
+				// ", ' and `
+				case 34:
+				case 39:
+				case 96:
+					$matched = 0;
+					$currentChunkStartIndex = $this->parserCurrentIndex;
+					for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 1; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+						$cc2 = $this->CharCode( $this->parserCurrentIndex );
+						if ( $cc2 > 96 ) { continue;
+						}
+						if ( $cc2 == $cc ) { $matched = 1; break;
+						}
+						if ( $cc2 == 92 ) {        // \
+							if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
+								return $this->fail( "unescaped `\\`" );
+							}
+							$this->parserCurrentIndex++;
+						}
+					}
+					if ( $matched ) { break;
+					}
+					return $this->fail( "unmatched `" . chr( $cc ) . "`", $currentChunkStartIndex );
+
+				// /, check for comment
+				case 47:
+					if ( $parenLevel || ( $this->parserCurrentIndex == $this->input_len - 1 ) ) { break;
+					}
+					$cc2 = $this->CharCode( $this->parserCurrentIndex + 1 );
+					if ( $cc2 == 47 ) {
+						// //, find lnfeed
+						for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 2; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
+							$cc2 = $this->CharCode( $this->parserCurrentIndex );
+							if ( ( $cc2 <= 13 ) && ( ( $cc2 == 10 ) || ( $cc2 == 13 ) ) ) { break;
+							}
+						}
+					} else if ( $cc2 == 42 ) {
+						// /*, find */
+						$lastMultiComment = $currentChunkStartIndex = $this->parserCurrentIndex;
+						for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 2; $this->parserCurrentIndex < $this->input_len - 1; $this->parserCurrentIndex++ ) {
+							$cc2 = $this->CharCode( $this->parserCurrentIndex );
+							if ( $cc2 == 125 ) { $lastMultiCommentEndBrace = $this->parserCurrentIndex;
+							}
+							if ( $cc2 != 42 ) { continue;
+							}
+							if ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) { break;
+							}
+						}
+						if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
+							return $this->fail( "missing closing `*/`", $currentChunkStartIndex );
+						}
+					}
+					break;
+
+				// *, check for unmatched */
+				case 42:
+					if ( ( $this->parserCurrentIndex < $this->input_len - 1 ) && ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) ) {
+						return $this->fail( "unmatched `/*`" );
+					}
+					break;
+			}
+		}
+
+		if ( $level !== 0 ) {
+			if ( ( $lastMultiComment > $lastOpening ) && ( $lastMultiCommentEndBrace > $lastMultiComment ) ) {
+				return $this->fail( "missing closing `}` or `*/`", $lastOpening );
+			} else {
+				return $this->fail( "missing closing `}`", $lastOpening );
+			}
+		} else if ( $parenLevel !== 0 ) {
+			return $this->fail( "missing closing `)`", $lastParen );
+		}
+
+		// chunk didn't fail
+
+		//$this->emitChunk(true);
+	}
+
+	public function CharCode( $pos ) {
+		return ord( $this->input[$pos] );
+	}
+
+	public function fail( $msg, $index = null ) {
+		if ( !$index ) {
+			$this->index = $this->parserCurrentIndex;
+		} else {
+			$this->index = $index;
+		}
+		$this->message = 'ParseError: '.$msg;
+	}
+
+	/*
+	function emitChunk( $force = false ){
+		$len = $this->parserCurrentIndex - $this->emitFrom;
+		if ((($len < 512) && !$force) || !$len) {
+			return;
+		}
+		$chunks[] = substr($this->input, $this->emitFrom, $this->parserCurrentIndex + 1 - $this->emitFrom );
+		$this->emitFrom = $this->parserCurrentIndex + 1;
+	}
+	*/
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php b/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php
new file mode 100755
index 0000000..1c3727a
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Exception/Compiler.php
@@ -0,0 +1,11 @@
+<?php
+
+/**
+ * Compiler Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Compiler extends Less_Exception_Parser {
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php b/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php
new file mode 100755
index 0000000..8bbf25f
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Exception/Parser.php
@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * Parser Exception
+ *
+ * @package Less
+ * @subpackage exception
+ */
+class Less_Exception_Parser extends Exception {
+
+	/**
+	 * The current file
+	 *
+	 * @var Less_ImportedFile
+	 */
+	public $currentFile;
+
+	/**
+	 * The current parser index
+	 *
+	 * @var integer
+	 */
+	public $index;
+
+	protected $input;
+
+	protected $details = array();
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $message
+	 * @param Exception $previous Previous exception
+	 * @param integer $index The current parser index
+	 * @param Less_FileInfo|string $currentFile The file
+	 * @param integer $code The exception code
+	 */
+	public function __construct( $message = null, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
+		if ( PHP_VERSION_ID < 50300 ) {
+			$this->previous = $previous;
+			parent::__construct( $message, $code );
+		} else {
+			parent::__construct( $message, $code, $previous );
+		}
+
+		$this->currentFile = $currentFile;
+		$this->index = $index;
+
+		$this->genMessage();
+	}
+
+	protected function getInput() {
+		if ( !$this->input && $this->currentFile && $this->currentFile['filename'] && file_exists( $this->currentFile['filename'] ) ) {
+			$this->input = file_get_contents( $this->currentFile['filename'] );
+		}
+	}
+
+	/**
+	 * Converts the exception to string
+	 *
+	 * @return string
+	 */
+	public function genMessage() {
+		if ( $this->currentFile && $this->currentFile['filename'] ) {
+			$this->message .= ' in '.basename( $this->currentFile['filename'] );
+		}
+
+		if ( $this->index !== null ) {
+			$this->getInput();
+			if ( $this->input ) {
+				$line = self::getLineNumber();
+				$this->message .= ' on line '.$line.', column '.self::getColumn();
+
+				$lines = explode( "\n", $this->input );
+
+				$count = count( $lines );
+				$start_line = max( 0, $line - 3 );
+				$last_line = min( $count, $start_line + 6 );
+				$num_len = strlen( $last_line );
+				for ( $i = $start_line; $i < $last_line; $i++ ) {
+					$this->message .= "\n".str_pad( $i + 1, $num_len, '0', STR_PAD_LEFT ).'| '.$lines[$i];
+				}
+			}
+		}
+
+	}
+
+	/**
+	 * Returns the line number the error was encountered
+	 *
+	 * @return integer
+	 */
+	public function getLineNumber() {
+		if ( $this->index ) {
+			// https://bugs.php.net/bug.php?id=49790
+			if ( ini_get( "mbstring.func_overload" ) ) {
+				return substr_count( substr( $this->input, 0, $this->index ), "\n" ) + 1;
+			} else {
+				return substr_count( $this->input, "\n", 0, $this->index ) + 1;
+			}
+		}
+		return 1;
+	}
+
+	/**
+	 * Returns the column the error was encountered
+	 *
+	 * @return integer
+	 */
+	public function getColumn() {
+		$part = substr( $this->input, 0, $this->index );
+		$pos = strrpos( $part, "\n" );
+		return $this->index - $pos;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Functions.php b/vendor/wikimedia/less.php/lib/Less/Functions.php
new file mode 100755
index 0000000..c9e97bd
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Functions.php
@@ -0,0 +1,1186 @@
+<?php
+
+/**
+ * Builtin functions
+ *
+ * @package Less
+ * @subpackage function
+ * @see http://lesscss.org/functions/
+ */
+class Less_Functions {
+
+	public $env;
+	public $currentFileInfo;
+
+	function __construct( $env, $currentFileInfo = null ) {
+		$this->env = $env;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	/**
+	 * @param string $op
+	 */
+	public static function operate( $op, $a, $b ) {
+		switch ( $op ) {
+			case '+':
+return $a + $b;
+			case '-':
+return $a - $b;
+			case '*':
+return $a * $b;
+			case '/':
+return $a / $b;
+		}
+	}
+
+	public static function clamp( $val, $max = 1 ) {
+		return min( max( $val, 0 ), $max );
+	}
+
+	public static function fround( $value ) {
+		if ( $value === 0 ) {
+			return $value;
+		}
+
+		if ( Less_Parser::$options['numPrecision'] ) {
+			$p = pow( 10, Less_Parser::$options['numPrecision'] );
+			return round( $value * $p ) / $p;
+		}
+		return $value;
+	}
+
+	public static function number( $n ) {
+		if ( $n instanceof Less_Tree_Dimension ) {
+			return floatval( $n->unit->is( '%' ) ? $n->value / 100 : $n->value );
+		} else if ( is_numeric( $n ) ) {
+			return $n;
+		} else {
+			throw new Less_Exception_Compiler( "color functions take numbers as parameters" );
+		}
+	}
+
+	public static function scaled( $n, $size = 255 ) {
+		if ( $n instanceof Less_Tree_Dimension && $n->unit->is( '%' ) ) {
+			return (float)$n->value * $size / 100;
+		} else {
+			return Less_Functions::number( $n );
+		}
+	}
+
+	public function rgb( $r = null, $g = null, $b = null ) {
+		if ( is_null( $r ) || is_null( $g ) || is_null( $b ) ) {
+			throw new Less_Exception_Compiler( "rgb expects three parameters" );
+		}
+		return $this->rgba( $r, $g, $b, 1.0 );
+	}
+
+	public function rgba( $r = null, $g = null, $b = null, $a = null ) {
+		$rgb = array( $r, $g, $b );
+		$rgb = array_map( array( 'Less_Functions','scaled' ), $rgb );
+
+		$a = self::number( $a );
+		return new Less_Tree_Color( $rgb, $a );
+	}
+
+	public function hsl( $h, $s, $l ) {
+		return $this->hsla( $h, $s, $l, 1.0 );
+	}
+
+	public function hsla( $h, $s, $l, $a ) {
+		$h = fmod( self::number( $h ), 360 ) / 360; // Classic % operator will change float to int
+		$s = self::clamp( self::number( $s ) );
+		$l = self::clamp( self::number( $l ) );
+		$a = self::clamp( self::number( $a ) );
+
+		$m2 = $l <= 0.5 ? $l * ( $s + 1 ) : $l + $s - $l * $s;
+
+		$m1 = $l * 2 - $m2;
+
+		return $this->rgba( self::hsla_hue( $h + 1 / 3, $m1, $m2 ) * 255,
+							self::hsla_hue( $h, $m1, $m2 ) * 255,
+							self::hsla_hue( $h - 1 / 3, $m1, $m2 ) * 255,
+							$a );
+	}
+
+	/**
+	 * @param double $h
+	 */
+	public function hsla_hue( $h, $m1, $m2 ) {
+		$h = $h < 0 ? $h + 1 : ( $h > 1 ? $h - 1 : $h );
+		if ( $h * 6 < 1 ) return $m1 + ( $m2 - $m1 ) * $h * 6; else if ( $h * 2 < 1 ) return $m2; else if ( $h * 3 < 2 ) return $m1 + ( $m2 - $m1 ) * ( 2 / 3 - $h ) * 6; else return $m1;
+	}
+
+	public function hsv( $h, $s, $v ) {
+		return $this->hsva( $h, $s, $v, 1.0 );
+	}
+
+	/**
+	 * @param double $a
+	 */
+	public function hsva( $h, $s, $v, $a ) {
+		$h = ( ( Less_Functions::number( $h ) % 360 ) / 360 ) * 360;
+		$s = Less_Functions::number( $s );
+		$v = Less_Functions::number( $v );
+		$a = Less_Functions::number( $a );
+
+		$i = floor( ( $h / 60 ) % 6 );
+		$f = ( $h / 60 ) - $i;
+
+		$vs = array( $v,
+				  $v * ( 1 - $s ),
+				  $v * ( 1 - $f * $s ),
+				  $v * ( 1 - ( 1 - $f ) * $s ) );
+
+		$perm = array( array( 0, 3, 1 ),
+					array( 2, 0, 1 ),
+					array( 1, 0, 3 ),
+					array( 1, 2, 0 ),
+					array( 3, 1, 0 ),
+					array( 0, 1, 2 ) );
+
+		return $this->rgba( $vs[$perm[$i][0]] * 255,
+						 $vs[$perm[$i][1]] * 255,
+						 $vs[$perm[$i][2]] * 255,
+						 $a );
+	}
+
+	public function hue( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to hue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$c = $color->toHSL();
+		return new Less_Tree_Dimension( Less_Parser::round( $c['h'] ) );
+	}
+
+	public function saturation( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to saturation must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$c = $color->toHSL();
+		return new Less_Tree_Dimension( Less_Parser::round( $c['s'] * 100 ), '%' );
+	}
+
+	public function lightness( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to lightness must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$c = $color->toHSL();
+		return new Less_Tree_Dimension( Less_Parser::round( $c['l'] * 100 ), '%' );
+	}
+
+	public function hsvhue( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to hsvhue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsv = $color->toHSV();
+		return new Less_Tree_Dimension( Less_Parser::round( $hsv['h'] ) );
+	}
+
+	public function hsvsaturation( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to hsvsaturation must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsv = $color->toHSV();
+		return new Less_Tree_Dimension( Less_Parser::round( $hsv['s'] * 100 ), '%' );
+	}
+
+	public function hsvvalue( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to hsvvalue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsv = $color->toHSV();
+		return new Less_Tree_Dimension( Less_Parser::round( $hsv['v'] * 100 ), '%' );
+	}
+
+	public function red( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to red must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return new Less_Tree_Dimension( $color->rgb[0] );
+	}
+
+	public function green( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to green must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return new Less_Tree_Dimension( $color->rgb[1] );
+	}
+
+	public function blue( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to blue must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return new Less_Tree_Dimension( $color->rgb[2] );
+	}
+
+	public function alpha( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to alpha must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$c = $color->toHSL();
+		return new Less_Tree_Dimension( $c['a'] );
+	}
+
+	public function luma( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to luma must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return new Less_Tree_Dimension( Less_Parser::round( $color->luma() * $color->alpha * 100 ), '%' );
+	}
+
+	public function luminance( $color = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to luminance must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$luminance =
+			( 0.2126 * $color->rgb[0] / 255 )
+		  + ( 0.7152 * $color->rgb[1] / 255 )
+		  + ( 0.0722 * $color->rgb[2] / 255 );
+
+		return new Less_Tree_Dimension( Less_Parser::round( $luminance * $color->alpha * 100 ), '%' );
+	}
+
+	public function saturate( $color = null, $amount = null ) {
+		// filter: saturate(3.2);
+		// should be kept as is, so check for color
+		if ( $color instanceof Less_Tree_Dimension ) {
+			return null;
+		}
+
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to saturate must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to saturate must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+
+		$hsl['s'] += $amount->value / 100;
+		$hsl['s'] = self::clamp( $hsl['s'] );
+
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	/**
+	 * @param Less_Tree_Dimension $amount
+	 */
+	public function desaturate( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to desaturate must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to desaturate must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+
+		$hsl['s'] -= $amount->value / 100;
+		$hsl['s'] = self::clamp( $hsl['s'] );
+
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function lighten( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to lighten must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to lighten must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+
+		$hsl['l'] += $amount->value / 100;
+		$hsl['l'] = self::clamp( $hsl['l'] );
+
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function darken( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to darken must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to darken must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+		$hsl['l'] -= $amount->value / 100;
+		$hsl['l'] = self::clamp( $hsl['l'] );
+
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function fadein( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to fadein must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to fadein must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+		$hsl['a'] += $amount->value / 100;
+		$hsl['a'] = self::clamp( $hsl['a'] );
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function fadeout( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to fadeout must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to fadeout must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+		$hsl['a'] -= $amount->value / 100;
+		$hsl['a'] = self::clamp( $hsl['a'] );
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function fade( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to fade must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to fade must be a percentage' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+
+		$hsl['a'] = $amount->value / 100;
+		$hsl['a'] = self::clamp( $hsl['a'] );
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	public function spin( $color = null, $amount = null ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to spin must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$amount instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The second argument to spin must be a number' . ( $amount instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$hsl = $color->toHSL();
+		$hue = fmod( $hsl['h'] + $amount->value, 360 );
+
+		$hsl['h'] = $hue < 0 ? 360 + $hue : $hue;
+
+		return $this->hsla( $hsl['h'], $hsl['s'], $hsl['l'], $hsl['a'] );
+	}
+
+	//
+	// Copyright (c) 2006-2009 Hampton Catlin, Nathan Weizenbaum, and Chris Eppstein
+	// http://sass-lang.com
+	//
+
+	/**
+	 * @param Less_Tree_Color $color1
+	 */
+	public function mix( $color1 = null, $color2 = null, $weight = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to mix must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to mix must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$weight ) {
+			$weight = new Less_Tree_Dimension( '50', '%' );
+		}
+		if ( !$weight instanceof Less_Tree_Dimension ) {
+			throw new Less_Exception_Compiler( 'The third argument to contrast must be a percentage' . ( $weight instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		$p = $weight->value / 100.0;
+		$w = $p * 2 - 1;
+		$hsl1 = $color1->toHSL();
+		$hsl2 = $color2->toHSL();
+		$a = $hsl1['a'] - $hsl2['a'];
+
+		$w1 = ( ( ( ( $w * $a ) == -1 ) ? $w : ( $w + $a ) / ( 1 + $w * $a ) ) + 1 ) / 2;
+		$w2 = 1 - $w1;
+
+		$rgb = array( $color1->rgb[0] * $w1 + $color2->rgb[0] * $w2,
+					 $color1->rgb[1] * $w1 + $color2->rgb[1] * $w2,
+					 $color1->rgb[2] * $w1 + $color2->rgb[2] * $w2 );
+
+		$alpha = $color1->alpha * $p + $color2->alpha * ( 1 - $p );
+
+		return new Less_Tree_Color( $rgb, $alpha );
+	}
+
+	public function greyscale( $color ) {
+		return $this->desaturate( $color, new Less_Tree_Dimension( 100, '%' ) );
+	}
+
+	public function contrast( $color, $dark = null, $light = null, $threshold = null ) {
+		// filter: contrast(3.2);
+		// should be kept as is, so check for color
+		if ( !$color instanceof Less_Tree_Color ) {
+			return null;
+		}
+		if ( !$light ) {
+			$light = $this->rgba( 255, 255, 255, 1.0 );
+		}
+		if ( !$dark ) {
+			$dark = $this->rgba( 0, 0, 0, 1.0 );
+		}
+
+		if ( !$dark instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to contrast must be a color' . ( $dark instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$light instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The third argument to contrast must be a color' . ( $light instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		// Figure out which is actually light and dark!
+		if ( $dark->luma() > $light->luma() ) {
+			$t = $light;
+			$light = $dark;
+			$dark = $t;
+		}
+		if ( !$threshold ) {
+			$threshold = 0.43;
+		} else {
+			$threshold = Less_Functions::number( $threshold );
+		}
+
+		if ( $color->luma() < $threshold ) {
+			return $light;
+		} else {
+			return $dark;
+		}
+	}
+
+	public function e( $str ) {
+		if ( is_string( $str ) ) {
+			return new Less_Tree_Anonymous( $str );
+		}
+		return new Less_Tree_Anonymous( $str instanceof Less_Tree_JavaScript ? $str->expression : $str->value );
+	}
+
+	public function escape( $str ) {
+		$revert = array( '%21' => '!', '%2A' => '*', '%27' => "'",'%3F' => '?','%26' => '&','%2C' => ',','%2F' => '/','%40' => '@','%2B' => '+','%24' => '$' );
+
+		return new Less_Tree_Anonymous( strtr( rawurlencode( $str->value ), $revert ) );
+	}
+
+	/**
+	 * todo: This function will need some additional work to make it work the same as less.js
+	 *
+	 */
+	public function replace( $string, $pattern, $replacement, $flags = null ) {
+		$result = $string->value;
+
+		$expr = '/'.str_replace( '/', '\\/', $pattern->value ).'/';
+		if ( $flags && $flags->value ) {
+			$expr .= self::replace_flags( $flags->value );
+		}
+
+		$result = preg_replace( $expr, $replacement->value, $result );
+
+		if ( property_exists( $string, 'quote' ) ) {
+			return new Less_Tree_Quoted( $string->quote, $result, $string->escaped );
+		}
+		return new Less_Tree_Quoted( '', $result );
+	}
+
+	public static function replace_flags( $flags ) {
+		$flags = str_split( $flags, 1 );
+		$new_flags = '';
+
+		foreach ( $flags as $flag ) {
+			switch ( $flag ) {
+				case 'e':
+				case 'g':
+				break;
+
+				default:
+				$new_flags .= $flag;
+				break;
+			}
+		}
+
+		return $new_flags;
+	}
+
+	public function _percent() {
+		$string = func_get_arg( 0 );
+
+		$args = func_get_args();
+		array_shift( $args );
+		$result = $string->value;
+
+		foreach ( $args as $arg ) {
+			if ( preg_match( '/%[sda]/i', $result, $token ) ) {
+				$token = $token[0];
+				$value = stristr( $token, 's' ) ? $arg->value : $arg->toCSS();
+				$value = preg_match( '/[A-Z]$/', $token ) ? urlencode( $value ) : $value;
+				$result = preg_replace( '/%[sda]/i', $value, $result, 1 );
+			}
+		}
+		$result = str_replace( '%%', '%', $result );
+
+		return new Less_Tree_Quoted( $string->quote, $result, $string->escaped );
+	}
+
+	public function unit( $val, $unit = null ) {
+		if ( !( $val instanceof Less_Tree_Dimension ) ) {
+			throw new Less_Exception_Compiler( 'The first argument to unit must be a number' . ( $val instanceof Less_Tree_Operation ? '. Have you forgotten parenthesis?' : '.' ) );
+		}
+
+		if ( $unit ) {
+			if ( $unit instanceof Less_Tree_Keyword ) {
+				$unit = $unit->value;
+			} else {
+				$unit = $unit->toCSS();
+			}
+		} else {
+			$unit = "";
+		}
+		return new Less_Tree_Dimension( $val->value, $unit );
+	}
+
+	public function convert( $val, $unit ) {
+		return $val->convertTo( $unit->value );
+	}
+
+	public function round( $n, $f = false ) {
+		$fraction = 0;
+		if ( $f !== false ) {
+			$fraction = $f->value;
+		}
+
+		return $this->_math( 'Less_Parser::round', null, $n, $fraction );
+	}
+
+	public function pi() {
+		return new Less_Tree_Dimension( M_PI );
+	}
+
+	public function mod( $a, $b ) {
+		return new Less_Tree_Dimension( $a->value % $b->value, $a->unit );
+	}
+
+	public function pow( $x, $y ) {
+		if ( is_numeric( $x ) && is_numeric( $y ) ) {
+			$x = new Less_Tree_Dimension( $x );
+			$y = new Less_Tree_Dimension( $y );
+		} elseif ( !( $x instanceof Less_Tree_Dimension ) || !( $y instanceof Less_Tree_Dimension ) ) {
+			throw new Less_Exception_Compiler( 'Arguments must be numbers' );
+		}
+
+		return new Less_Tree_Dimension( pow( $x->value, $y->value ), $x->unit );
+	}
+
+	// var mathFunctions = [{name:"ce ...
+	public function ceil( $n ) {
+		return $this->_math( 'ceil', null, $n );
+	}
+
+	public function floor( $n ) {
+	return $this->_math( 'floor', null, $n );
+	}
+
+	public function sqrt( $n ) {
+		return $this->_math( 'sqrt', null, $n );
+	}
+
+	public function abs( $n ) {
+		return $this->_math( 'abs', null, $n );
+	}
+
+	public function tan( $n ) {
+		return $this->_math( 'tan', '', $n );
+	}
+
+	public function sin( $n ) {
+		return $this->_math( 'sin', '', $n );
+	}
+
+	public function cos( $n ) {
+		return $this->_math( 'cos', '', $n );
+	}
+
+	public function atan( $n ) {
+		return $this->_math( 'atan', 'rad', $n );
+	}
+
+	public function asin( $n ) {
+		return $this->_math( 'asin', 'rad', $n );
+	}
+
+	public function acos( $n ) {
+		return $this->_math( 'acos', 'rad', $n );
+	}
+
+	private function _math() {
+		$args = func_get_args();
+		$fn = array_shift( $args );
+		$unit = array_shift( $args );
+
+		if ( $args[0] instanceof Less_Tree_Dimension ) {
+
+			if ( $unit === null ) {
+				$unit = $args[0]->unit;
+			} else {
+				$args[0] = $args[0]->unify();
+			}
+			$args[0] = (float)$args[0]->value;
+			return new Less_Tree_Dimension( call_user_func_array( $fn, $args ), $unit );
+		} else if ( is_numeric( $args[0] ) ) {
+			return call_user_func_array( $fn, $args );
+		} else {
+			throw new Less_Exception_Compiler( "math functions take numbers as parameters" );
+		}
+	}
+
+	/**
+	 * @param boolean $isMin
+	 */
+	private function _minmax( $isMin, $args ) {
+		$arg_count = count( $args );
+
+		if ( $arg_count < 1 ) {
+			throw new Less_Exception_Compiler( 'one or more arguments required' );
+		}
+
+		$j = null;
+		$unitClone = null;
+		$unitStatic = null;
+
+		$order = array();	// elems only contains original argument values.
+		$values = array();	// key is the unit.toString() for unified tree.Dimension values,
+							// value is the index into the order array.
+
+		for ( $i = 0; $i < $arg_count; $i++ ) {
+			$current = $args[$i];
+			if ( !( $current instanceof Less_Tree_Dimension ) ) {
+				if ( is_array( $args[$i]->value ) ) {
+					$args[] = $args[$i]->value;
+				}
+				continue;
+			}
+
+			if ( $current->unit->toString() === '' && !$unitClone ) {
+				$temp = new Less_Tree_Dimension( $current->value, $unitClone );
+				$currentUnified = $temp->unify();
+			} else {
+				$currentUnified = $current->unify();
+			}
+
+			if ( $currentUnified->unit->toString() === "" && !$unitStatic ) {
+				$unit = $unitStatic;
+			} else {
+				$unit = $currentUnified->unit->toString();
+			}
+
+			if ( $unit !== '' && !$unitStatic || $unit !== '' && $order[0]->unify()->unit->toString() === "" ) {
+				$unitStatic = $unit;
+			}
+
+			if ( $unit != '' && !$unitClone ) {
+				$unitClone = $current->unit->toString();
+			}
+
+			if ( isset( $values[''] ) && $unit !== '' && $unit === $unitStatic ) {
+				$j = $values[''];
+			} elseif ( isset( $values[$unit] ) ) {
+				$j = $values[$unit];
+			} else {
+
+				if ( $unitStatic && $unit !== $unitStatic ) {
+					throw new Less_Exception_Compiler( 'incompatible types' );
+				}
+				$values[$unit] = count( $order );
+				$order[] = $current;
+				continue;
+			}
+
+			if ( $order[$j]->unit->toString() === "" && $unitClone ) {
+				$temp = new Less_Tree_Dimension( $order[$j]->value, $unitClone );
+				$referenceUnified = $temp->unify();
+			} else {
+				$referenceUnified = $order[$j]->unify();
+			}
+			if ( ( $isMin && $currentUnified->value < $referenceUnified->value ) || ( !$isMin && $currentUnified->value > $referenceUnified->value ) ) {
+				$order[$j] = $current;
+			}
+		}
+
+		if ( count( $order ) == 1 ) {
+			return $order[0];
+		}
+		$args = array();
+		foreach ( $order as $a ) {
+			$args[] = $a->toCSS( $this->env );
+		}
+		return new Less_Tree_Anonymous( ( $isMin ? 'min(' : 'max(' ) . implode( Less_Environment::$_outputMap[','], $args ).')' );
+	}
+
+	public function min() {
+		$args = func_get_args();
+		return $this->_minmax( true, $args );
+	}
+
+	public function max() {
+		$args = func_get_args();
+		return $this->_minmax( false, $args );
+	}
+
+	public function getunit( $n ) {
+		return new Less_Tree_Anonymous( $n->unit );
+	}
+
+	public function argb( $color ) {
+		if ( !$color instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to argb must be a color' . ( $color instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return new Less_Tree_Anonymous( $color->toARGB() );
+	}
+
+	public function percentage( $n ) {
+		return new Less_Tree_Dimension( $n->value * 100, '%' );
+	}
+
+	public function color( $n ) {
+		if ( $n instanceof Less_Tree_Quoted ) {
+			$colorCandidate = $n->value;
+			$returnColor = Less_Tree_Color::fromKeyword( $colorCandidate );
+			if ( $returnColor ) {
+				return $returnColor;
+			}
+			if ( preg_match( '/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/', $colorCandidate ) ) {
+				return new Less_Tree_Color( substr( $colorCandidate, 1 ) );
+			}
+			throw new Less_Exception_Compiler( "argument must be a color keyword or 3/6 digit hex e.g. #FFF" );
+		} else {
+			throw new Less_Exception_Compiler( "argument must be a string" );
+		}
+	}
+
+	public function iscolor( $n ) {
+		return $this->_isa( $n, 'Less_Tree_Color' );
+	}
+
+	public function isnumber( $n ) {
+		return $this->_isa( $n, 'Less_Tree_Dimension' );
+	}
+
+	public function isstring( $n ) {
+		return $this->_isa( $n, 'Less_Tree_Quoted' );
+	}
+
+	public function iskeyword( $n ) {
+		return $this->_isa( $n, 'Less_Tree_Keyword' );
+	}
+
+	public function isurl( $n ) {
+		return $this->_isa( $n, 'Less_Tree_Url' );
+	}
+
+	public function ispixel( $n ) {
+		return $this->isunit( $n, 'px' );
+	}
+
+	public function ispercentage( $n ) {
+		return $this->isunit( $n, '%' );
+	}
+
+	public function isem( $n ) {
+		return $this->isunit( $n, 'em' );
+	}
+
+	/**
+	 * @param string $unit
+	 */
+	public function isunit( $n, $unit ) {
+		if ( is_object( $unit ) && property_exists( $unit, 'value' ) ) {
+			$unit = $unit->value;
+		}
+
+		return ( $n instanceof Less_Tree_Dimension ) && $n->unit->is( $unit ) ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' );
+	}
+
+	/**
+	 * @param string $type
+	 */
+	private function _isa( $n, $type ) {
+		return is_a( $n, $type ) ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' );
+	}
+
+	public function tint( $color, $amount = null ) {
+		return $this->mix( $this->rgb( 255, 255, 255 ), $color, $amount );
+	}
+
+	public function shade( $color, $amount = null ) {
+		return $this->mix( $this->rgb( 0, 0, 0 ), $color, $amount );
+	}
+
+	public function extract( $values, $index ) {
+		$index = (int)$index->value - 1; // (1-based index)
+		// handle non-array values as an array of length 1
+		// return 'undefined' if index is invalid
+		if ( property_exists( $values, 'value' ) && is_array( $values->value ) ) {
+			if ( isset( $values->value[$index] ) ) {
+				return $values->value[$index];
+			}
+			return null;
+
+		} elseif ( (int)$index === 0 ) {
+			return $values;
+		}
+
+		return null;
+	}
+
+	public function length( $values ) {
+		$n = ( property_exists( $values, 'value' ) && is_array( $values->value ) ) ? count( $values->value ) : 1;
+		return new Less_Tree_Dimension( $n );
+	}
+
+	public function datauri( $mimetypeNode, $filePathNode = null ) {
+		$filePath = ( $filePathNode ? $filePathNode->value : null );
+		$mimetype = $mimetypeNode->value;
+
+		$args = 2;
+		if ( !$filePath ) {
+			$filePath = $mimetype;
+			$args = 1;
+		}
+
+		$filePath = str_replace( '\\', '/', $filePath );
+		if ( Less_Environment::isPathRelative( $filePath ) ) {
+
+			if ( Less_Parser::$options['relativeUrls'] ) {
+				$temp = $this->currentFileInfo['currentDirectory'];
+			} else {
+				$temp = $this->currentFileInfo['entryPath'];
+			}
+
+			if ( !empty( $temp ) ) {
+				$filePath = Less_Environment::normalizePath( rtrim( $temp, '/' ).'/'.$filePath );
+			}
+
+		}
+
+		// detect the mimetype if not given
+		if ( $args < 2 ) {
+
+			/* incomplete
+			$mime = require('mime');
+			mimetype = mime.lookup(path);
+
+			// use base 64 unless it's an ASCII or UTF-8 format
+			var charset = mime.charsets.lookup(mimetype);
+			useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0;
+			if (useBase64) mimetype += ';base64';
+			*/
+
+			$mimetype = Less_Mime::lookup( $filePath );
+
+			$charset = Less_Mime::charsets_lookup( $mimetype );
+			$useBase64 = !in_array( $charset, array( 'US-ASCII', 'UTF-8' ) );
+			if ( $useBase64 ) { $mimetype .= ';base64';
+			}
+
+		} else {
+			$useBase64 = preg_match( '/;base64$/', $mimetype );
+		}
+
+		if ( file_exists( $filePath ) ) {
+			$buf = @file_get_contents( $filePath );
+		} else {
+			$buf = false;
+		}
+
+		// IE8 cannot handle a data-uri larger than 32KB. If this is exceeded
+		// and the --ieCompat flag is enabled, return a normal url() instead.
+		$DATA_URI_MAX_KB = 32;
+		$fileSizeInKB = round( strlen( $buf ) / 1024 );
+		if ( $fileSizeInKB >= $DATA_URI_MAX_KB ) {
+			$url = new Less_Tree_Url( ( $filePathNode ? $filePathNode : $mimetypeNode ), $this->currentFileInfo );
+			return $url->compile( $this );
+		}
+
+		if ( $buf ) {
+			$buf = $useBase64 ? base64_encode( $buf ) : rawurlencode( $buf );
+			$filePath = '"data:' . $mimetype . ',' . $buf . '"';
+		}
+
+		return new Less_Tree_Url( new Less_Tree_Anonymous( $filePath ) );
+	}
+
+	// svg-gradient
+	public function svggradient( $direction ) {
+		$throw_message = 'svg-gradient expects direction, start_color [start_position], [color position,]..., end_color [end_position]';
+		$arguments = func_get_args();
+
+		if ( count( $arguments ) < 3 ) {
+			throw new Less_Exception_Compiler( $throw_message );
+		}
+
+		$stops = array_slice( $arguments, 1 );
+		$gradientType = 'linear';
+		$rectangleDimension = 'x="0" y="0" width="1" height="1"';
+		$useBase64 = true;
+		$directionValue = $direction->toCSS();
+
+		switch ( $directionValue ) {
+			case "to bottom":
+				$gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"';
+				break;
+			case "to right":
+				$gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"';
+				break;
+			case "to bottom right":
+				$gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"';
+				break;
+			case "to top right":
+				$gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"';
+				break;
+			case "ellipse":
+			case "ellipse at center":
+				$gradientType = "radial";
+				$gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"';
+				$rectangleDimension = 'x="-50" y="-50" width="101" height="101"';
+				break;
+			default:
+				throw new Less_Exception_Compiler( "svg-gradient direction must be 'to bottom', 'to right', 'to bottom right', 'to top right' or 'ellipse at center'" );
+		}
+
+		$returner = '<?xml version="1.0" ?>' .
+			'<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100%" height="100%" viewBox="0 0 1 1" preserveAspectRatio="none">' .
+			'<' . $gradientType . 'Gradient id="gradient" gradientUnits="userSpaceOnUse" ' . $gradientDirectionSvg . '>';
+
+		for ( $i = 0; $i < count( $stops ); $i++ ) {
+			if ( is_object( $stops[$i] ) && property_exists( $stops[$i], 'value' ) ) {
+				$color = $stops[$i]->value[0];
+				$position = $stops[$i]->value[1];
+			} else {
+				$color = $stops[$i];
+				$position = null;
+			}
+
+			if ( !( $color instanceof Less_Tree_Color ) || ( !( ( $i === 0 || $i + 1 === count( $stops ) ) && $position === null ) && !( $position instanceof Less_Tree_Dimension ) ) ) {
+				throw new Less_Exception_Compiler( $throw_message );
+			}
+			if ( $position ) {
+				$positionValue = $position->toCSS();
+			} elseif ( $i === 0 ) {
+				$positionValue = '0%';
+			} else {
+				$positionValue = '100%';
+			}
+			$alpha = $color->alpha;
+			$returner .= '<stop offset="' . $positionValue . '" stop-color="' . $color->toRGB() . '"' . ( $alpha < 1 ? ' stop-opacity="' . $alpha . '"' : '' ) . '/>';
+		}
+
+		$returner .= '</' . $gradientType . 'Gradient><rect ' . $rectangleDimension . ' fill="url(#gradient)" /></svg>';
+
+		if ( $useBase64 ) {
+			$returner = "'data:image/svg+xml;base64,".base64_encode( $returner )."'";
+		} else {
+			$returner = "'data:image/svg+xml,".$returner."'";
+		}
+
+		return new Less_Tree_URL( new Less_Tree_Anonymous( $returner ) );
+	}
+
+	/**
+	 * Php version of javascript's `encodeURIComponent` function
+	 *
+	 * @param string $string The string to encode
+	 * @return string The encoded string
+	 */
+	public static function encodeURIComponent( $string ) {
+		$revert = array( '%21' => '!', '%2A' => '*', '%27' => "'", '%28' => '(', '%29' => ')' );
+		return strtr( rawurlencode( $string ), $revert );
+	}
+
+	// Color Blending
+	// ref: http://www.w3.org/TR/compositing-1
+
+	public function colorBlend( $mode, $color1, $color2 ) {
+		$ab = $color1->alpha;	// backdrop
+		$as = $color2->alpha;	// source
+		$r = array();			// result
+
+		$ar = $as + $ab * ( 1 - $as );
+		for ( $i = 0; $i < 3; $i++ ) {
+			$cb = $color1->rgb[$i] / 255;
+			$cs = $color2->rgb[$i] / 255;
+			$cr = call_user_func( $mode, $cb, $cs );
+			if ( $ar ) {
+				$cr = ( $as * $cs + $ab * ( $cb - $as * ( $cb + $cs - $cr ) ) ) / $ar;
+			}
+			$r[$i] = $cr * 255;
+		}
+
+		return new Less_Tree_Color( $r, $ar );
+	}
+
+	public function multiply( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to multiply must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to multiply must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendMultiply' ),  $color1, $color2 );
+	}
+
+	private function colorBlendMultiply( $cb, $cs ) {
+		return $cb * $cs;
+	}
+
+	public function screen( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to screen must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to screen must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendScreen' ),  $color1, $color2 );
+	}
+
+	private function colorBlendScreen( $cb, $cs ) {
+		return $cb + $cs - $cb * $cs;
+	}
+
+	public function overlay( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to overlay must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to overlay must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendOverlay' ),  $color1, $color2 );
+	}
+
+	private function colorBlendOverlay( $cb, $cs ) {
+		$cb *= 2;
+		return ( $cb <= 1 )
+			? $this->colorBlendMultiply( $cb, $cs )
+			: $this->colorBlendScreen( $cb - 1, $cs );
+	}
+
+	public function softlight( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to softlight must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to softlight must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendSoftlight' ),  $color1, $color2 );
+	}
+
+	private function colorBlendSoftlight( $cb, $cs ) {
+		$d = 1;
+		$e = $cb;
+		if ( $cs > 0.5 ) {
+			$e = 1;
+			$d = ( $cb > 0.25 ) ? sqrt( $cb )
+				: ( ( 16 * $cb - 12 ) * $cb + 4 ) * $cb;
+		}
+		return $cb - ( 1 - 2 * $cs ) * $e * ( $d - $cb );
+	}
+
+	public function hardlight( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to hardlight must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to hardlight must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendHardlight' ),  $color1, $color2 );
+	}
+
+	private function colorBlendHardlight( $cb, $cs ) {
+		return $this->colorBlendOverlay( $cs, $cb );
+	}
+
+	public function difference( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to difference must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to difference must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendDifference' ),  $color1, $color2 );
+	}
+
+	private function colorBlendDifference( $cb, $cs ) {
+		return abs( $cb - $cs );
+	}
+
+	public function exclusion( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to exclusion must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to exclusion must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendExclusion' ),  $color1, $color2 );
+	}
+
+	private function colorBlendExclusion( $cb, $cs ) {
+		return $cb + $cs - 2 * $cb * $cs;
+	}
+
+	public function average( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to average must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to average must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendAverage' ),  $color1, $color2 );
+	}
+
+	// non-w3c functions:
+	public function colorBlendAverage( $cb, $cs ) {
+		return ( $cb + $cs ) / 2;
+	}
+
+	public function negation( $color1 = null, $color2 = null ) {
+		if ( !$color1 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The first argument to negation must be a color' . ( $color1 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+		if ( !$color2 instanceof Less_Tree_Color ) {
+			throw new Less_Exception_Compiler( 'The second argument to negation must be a color' . ( $color2 instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : '' ) );
+		}
+
+		return $this->colorBlend( array( $this,'colorBlendNegation' ),  $color1, $color2 );
+	}
+
+	public function colorBlendNegation( $cb, $cs ) {
+		return 1 - abs( $cb + $cs - 1 );
+	}
+
+	// ~ End of Color Blending
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Less.php.combine b/vendor/wikimedia/less.php/lib/Less/Less.php.combine
new file mode 100755
index 0000000..d63cc78
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Less.php.combine
@@ -0,0 +1,17 @@
+
+./Parser.php
+./Colors.php
+./Environment.php
+./Functions.php
+./Mime.php
+./Tree.php
+./Output.php
+./Visitor.php
+./VisitorReplacing.php
+./Configurable.php
+./Tree
+./Visitor
+./Exception/Parser.php
+./Exception/
+./Output
+./SourceMap
diff --git a/vendor/wikimedia/less.php/lib/Less/Mime.php b/vendor/wikimedia/less.php/lib/Less/Mime.php
new file mode 100755
index 0000000..b4723f9
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Mime.php
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Mime lookup
+ *
+ * @package Less
+ * @subpackage node
+ */
+class Less_Mime {
+
+	// this map is intentionally incomplete
+	// if you want more, install 'mime' dep
+	static $_types = array(
+			'.htm' => 'text/html',
+			'.html' => 'text/html',
+			'.gif' => 'image/gif',
+			'.jpg' => 'image/jpeg',
+			'.jpeg' => 'image/jpeg',
+			'.png' => 'image/png',
+			'.ttf' => 'application/x-font-ttf',
+			'.otf' => 'application/x-font-otf',
+			'.eot' => 'application/vnd.ms-fontobject',
+			'.woff' => 'application/x-font-woff',
+			'.svg' => 'image/svg+xml',
+			);
+
+	public static function lookup( $filepath ) {
+		$parts = explode( '.', $filepath );
+		$ext = '.'.strtolower( array_pop( $parts ) );
+
+		if ( !isset( self::$_types[$ext] ) ) {
+			return null;
+		}
+		return self::$_types[$ext];
+	}
+
+	public static function charsets_lookup( $type = null ) {
+		// assumes all text types are UTF-8
+		return $type && preg_match( '/^text\//', $type ) ? 'UTF-8' : '';
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Output.php b/vendor/wikimedia/less.php/lib/Less/Output.php
new file mode 100755
index 0000000..8f7dd61
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Output.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Parser output
+ *
+ * @package Less
+ * @subpackage output
+ */
+class Less_Output {
+
+	/**
+	 * Output holder
+	 *
+	 * @var string
+	 */
+	protected $strs = array();
+
+	/**
+	 * Adds a chunk to the stack
+	 *
+	 * @param string $chunk The chunk to output
+	 * @param Less_FileInfo $fileInfo The file information
+	 * @param integer $index The index
+	 * @param mixed $mapLines
+	 */
+	public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
+		$this->strs[] = $chunk;
+	}
+
+	/**
+	 * Is the output empty?
+	 *
+	 * @return boolean
+	 */
+	public function isEmpty() {
+		return count( $this->strs ) === 0;
+	}
+
+	/**
+	 * Converts the output to string
+	 *
+	 * @return string
+	 */
+	public function toString() {
+		return implode( '', $this->strs );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php
new file mode 100755
index 0000000..e486c98
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php
@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * Parser output with source map
+ *
+ * @package Less
+ * @subpackage Output
+ */
+class Less_Output_Mapped extends Less_Output {
+
+	/**
+	 * The source map generator
+	 *
+	 * @var Less_SourceMap_Generator
+	 */
+	protected $generator;
+
+	/**
+	 * Current line
+	 *
+	 * @var integer
+	 */
+	protected $lineNumber = 0;
+
+	/**
+	 * Current column
+	 *
+	 * @var integer
+	 */
+	protected $column = 0;
+
+	/**
+	 * Array of contents map (file and its content)
+	 *
+	 * @var array
+	 */
+	protected $contentsMap = array();
+
+	/**
+	 * Constructor
+	 *
+	 * @param array $contentsMap Array of filename to contents map
+	 * @param Less_SourceMap_Generator $generator
+	 */
+	public function __construct( array $contentsMap, $generator ) {
+		$this->contentsMap = $contentsMap;
+		$this->generator = $generator;
+	}
+
+	/**
+	 * Adds a chunk to the stack
+	 * The $index for less.php may be different from less.js since less.php does not chunkify inputs
+	 *
+	 * @param string $chunk
+	 * @param string $fileInfo
+	 * @param integer $index
+	 * @param mixed $mapLines
+	 */
+	public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
+		// ignore adding empty strings
+		if ( $chunk === '' ) {
+			return;
+		}
+
+		$sourceLines = array();
+		$sourceColumns = ' ';
+
+		if ( $fileInfo ) {
+
+			$url = $fileInfo['currentUri'];
+
+			if ( isset( $this->contentsMap[$url] ) ) {
+				$inputSource = substr( $this->contentsMap[$url], 0, $index );
+				$sourceLines = explode( "\n", $inputSource );
+				$sourceColumns = end( $sourceLines );
+			} else {
+				throw new Exception( 'Filename '.$url.' not in contentsMap' );
+			}
+
+		}
+
+		$lines = explode( "\n", $chunk );
+		$columns = end( $lines );
+
+		if ( $fileInfo ) {
+
+			if ( !$mapLines ) {
+				$this->generator->addMapping(
+						$this->lineNumber + 1,					// generated_line
+						$this->column,							// generated_column
+						count( $sourceLines ),					// original_line
+						strlen( $sourceColumns ),					// original_column
+						$fileInfo
+				);
+			} else {
+				for ( $i = 0, $count = count( $lines ); $i < $count; $i++ ) {
+					$this->generator->addMapping(
+						$this->lineNumber + $i + 1,				// generated_line
+						$i === 0 ? $this->column : 0,			// generated_column
+						count( $sourceLines ) + $i,				// original_line
+						$i === 0 ? strlen( $sourceColumns ) : 0, 	// original_column
+						$fileInfo
+					);
+				}
+			}
+		}
+
+		if ( count( $lines ) === 1 ) {
+			$this->column += strlen( $columns );
+		} else {
+			$this->lineNumber += count( $lines ) - 1;
+			$this->column = strlen( $columns );
+		}
+
+		// add only chunk
+		parent::add( $chunk );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Parser.php b/vendor/wikimedia/less.php/lib/Less/Parser.php
new file mode 100755
index 0000000..36e0b3e
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Parser.php
@@ -0,0 +1,2691 @@
+<?php
+
+require_once dirname( __FILE__ ).'/Cache.php';
+
+/**
+ * Class for parsing and compiling less files into css
+ *
+ * @package Less
+ * @subpackage parser
+ *
+ */
+class Less_Parser {
+
+	/**
+	 * Default parser options
+	 */
+	public static $default_options = array(
+		'compress'				=> false,			// option - whether to compress
+		'strictUnits'			=> false,			// whether units need to evaluate correctly
+		'strictMath'			=> false,			// whether math has to be within parenthesis
+		'relativeUrls'			=> true,			// option - whether to adjust URL's to be relative
+		'urlArgs'				=> '',				// whether to add args into url tokens
+		'numPrecision'			=> 8,
+
+		'import_dirs'			=> array(),
+		'import_callback'		=> null,
+		'cache_dir'				=> null,
+		'cache_method'			=> 'php', 			// false, 'serialize', 'php', 'var_export', 'callback';
+		'cache_callback_get'	=> null,
+		'cache_callback_set'	=> null,
+
+		'sourceMap'				=> false,			// whether to output a source map
+		'sourceMapBasepath'		=> null,
+		'sourceMapWriteTo'		=> null,
+		'sourceMapURL'			=> null,
+
+		'indentation' 			=> '  ',
+
+		'plugins'				=> array(),
+
+	);
+
+	public static $options = array();
+
+	private $input;					// Less input string
+	private $input_len;				// input string length
+	private $pos;					// current index in `input`
+	private $saveStack = array();	// holds state for backtracking
+	private $furthest;
+	private $mb_internal_encoding = ''; // for remember exists value of mbstring.internal_encoding
+
+	/**
+	 * @var Less_Environment
+	 */
+	private $env;
+
+	protected $rules = array();
+
+	private static $imports = array();
+
+	public static $has_extends = false;
+
+	public static $next_id = 0;
+
+	/**
+	 * Filename to contents of all parsed the files
+	 *
+	 * @var array
+	 */
+	public static $contentsMap = array();
+
+	/**
+	 * @param Less_Environment|array|null $env
+	 */
+	public function __construct( $env = null ) {
+		// Top parser on an import tree must be sure there is one "env"
+		// which will then be passed around by reference.
+		if ( $env instanceof Less_Environment ) {
+			$this->env = $env;
+		} else {
+			$this->SetOptions( Less_Parser::$default_options );
+			$this->Reset( $env );
+		}
+
+		// mbstring.func_overload > 1 bugfix
+		// The encoding value must be set for each source file,
+		// therefore, to conserve resources and improve the speed of this design is taken here
+		if ( ini_get( 'mbstring.func_overload' ) ) {
+			$this->mb_internal_encoding = ini_get( 'mbstring.internal_encoding' );
+			@ini_set( 'mbstring.internal_encoding', 'ascii' );
+		}
+
+	}
+
+	/**
+	 * Reset the parser state completely
+	 *
+	 */
+	public function Reset( $options = null ) {
+		$this->rules = array();
+		self::$imports = array();
+		self::$has_extends = false;
+		self::$imports = array();
+		self::$contentsMap = array();
+
+		$this->env = new Less_Environment( $options );
+
+		// set new options
+		if ( is_array( $options ) ) {
+			$this->SetOptions( Less_Parser::$default_options );
+			$this->SetOptions( $options );
+		}
+
+		$this->env->Init();
+	}
+
+	/**
+	 * Set one or more compiler options
+	 *  options: import_dirs, cache_dir, cache_method
+	 *
+	 */
+	public function SetOptions( $options ) {
+		foreach ( $options as $option => $value ) {
+			$this->SetOption( $option, $value );
+		}
+	}
+
+	/**
+	 * Set one compiler option
+	 *
+	 */
+	public function SetOption( $option, $value ) {
+		switch ( $option ) {
+
+			case 'import_dirs':
+				$this->SetImportDirs( $value );
+			return;
+
+			case 'cache_dir':
+				if ( is_string( $value ) ) {
+					Less_Cache::SetCacheDir( $value );
+					Less_Cache::CheckCacheDir();
+				}
+			return;
+		}
+
+		Less_Parser::$options[$option] = $value;
+	}
+
+	/**
+	 * Registers a new custom function
+	 *
+	 * @param string $name function name
+	 * @param callable $callback callback
+	 */
+	public function registerFunction( $name, $callback ) {
+		$this->env->functions[$name] = $callback;
+	}
+
+	/**
+	 * Removed an already registered function
+	 *
+	 * @param string $name function name
+	 */
+	public function unregisterFunction( $name ) {
+		if ( isset( $this->env->functions[$name] ) )
+			unset( $this->env->functions[$name] );
+	}
+
+	/**
+	 * Get the current css buffer
+	 *
+	 * @return string
+	 */
+	public function getCss() {
+		$precision = ini_get( 'precision' );
+		@ini_set( 'precision', 16 );
+		$locale = setlocale( LC_NUMERIC, 0 );
+		setlocale( LC_NUMERIC, "C" );
+
+		try {
+
+			$root = new Less_Tree_Ruleset( array(), $this->rules );
+			$root->root = true;
+			$root->firstRoot = true;
+
+			$this->PreVisitors( $root );
+
+			self::$has_extends = false;
+			$evaldRoot = $root->compile( $this->env );
+
+			$this->PostVisitors( $evaldRoot );
+
+			if ( Less_Parser::$options['sourceMap'] ) {
+				$generator = new Less_SourceMap_Generator( $evaldRoot, Less_Parser::$contentsMap, Less_Parser::$options );
+				// will also save file
+				// FIXME: should happen somewhere else?
+				$css = $generator->generateCSS();
+			} else {
+				$css = $evaldRoot->toCSS();
+			}
+
+			if ( Less_Parser::$options['compress'] ) {
+				$css = preg_replace( '/(^(\s)+)|((\s)+$)/', '', $css );
+			}
+
+		} catch ( Exception $exc ) {
+			// Intentional fall-through so we can reset environment
+		}
+
+		// reset php settings
+		@ini_set( 'precision', $precision );
+		setlocale( LC_NUMERIC, $locale );
+
+		// If you previously defined $this->mb_internal_encoding
+		// is required to return the encoding as it was before
+		if ( $this->mb_internal_encoding != '' ) {
+			@ini_set( "mbstring.internal_encoding", $this->mb_internal_encoding );
+			$this->mb_internal_encoding = '';
+		}
+
+		// Rethrow exception after we handled resetting the environment
+		if ( !empty( $exc ) ) {
+			throw $exc;
+		}
+
+		return $css;
+	}
+
+	public function findValueOf( $varName ) {
+		foreach ( $this->rules as $rule ) {
+			if ( isset( $rule->variable ) && ( $rule->variable == true ) && ( str_replace( "@", "", $rule->name ) == $varName ) ) {
+				return $this->getVariableValue( $rule );
+			}
+		}
+		return null;
+	}
+
+	/**
+	 *
+	 * this function gets the private rules variable and returns an array of the found variables
+	 * it uses a helper method getVariableValue() that contains the logic ot fetch the value from the rule object
+	 *
+	 * @return array
+	 */
+	public function getVariables() {
+		$variables = array();
+
+		$not_variable_type = array(
+			'Comment',   // this include less comments ( // ) and css comments (/* */)
+			'Import',    // do not search variables in included files @import
+			'Ruleset',   // selectors (.someclass, #someid, …)
+			'Operation', //
+		);
+
+		// @TODO run compilation if not runned yet
+		foreach ( $this->rules as $key => $rule ) {
+			if ( in_array( $rule->type, $not_variable_type ) ) {
+				continue;
+			}
+
+			// Note: it seems rule->type is always Rule when variable = true
+			if ( $rule->type == 'Rule' && $rule->variable ) {
+				$variables[$rule->name] = $this->getVariableValue( $rule );
+			} else {
+				if ( $rule->type == 'Comment' ) {
+					$variables[] = $this->getVariableValue( $rule );
+				}
+			}
+		}
+		return $variables;
+	}
+
+	public function findVarByName( $var_name ) {
+		foreach ( $this->rules as $rule ) {
+			if ( isset( $rule->variable ) && ( $rule->variable == true ) ) {
+				if ( $rule->name == $var_name ) {
+					return $this->getVariableValue( $rule );
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 *
+	 * This method gets the value of the less variable from the rules object.
+	 * Since the objects vary here we add the logic for extracting the css/less value.
+	 *
+	 * @param $var
+	 *
+	 * @return bool|string
+	 */
+	private function getVariableValue( $var ) {
+		if ( !is_a( $var, 'Less_Tree' ) ) {
+			throw new Exception( 'var is not a Less_Tree object' );
+		}
+
+		switch ( $var->type ) {
+			case 'Color':
+				return $this->rgb2html( $var->rgb );
+			case 'Unit':
+				return $var->value. $var->unit->numerator[0];
+			case 'Variable':
+				return $this->findVarByName( $var->name );
+			case 'Keyword':
+				return $var->value;
+			case 'Rule':
+				return $this->getVariableValue( $var->value );
+			case 'Value':
+				$value = '';
+				foreach ( $var->value as $sub_value ) {
+					$value .= $this->getVariableValue( $sub_value ).' ';
+				}
+				return $value;
+			case 'Quoted':
+				return $var->quote.$var->value.$var->quote;
+			case 'Dimension':
+				$value = $var->value;
+				if ( $var->unit && $var->unit->numerator ) {
+					$value .= $var->unit->numerator[0];
+				}
+				return $value;
+			case 'Expression':
+				$value = "";
+				foreach ( $var->value as $item ) {
+					$value .= $this->getVariableValue( $item )." ";
+				}
+				return $value;
+			case 'Operation':
+				throw new Exception( 'getVariables() require Less to be compiled. please use $parser->getCss() before calling getVariables()' );
+			case 'Comment':
+			case 'Import':
+			case 'Ruleset':
+			default:
+				throw new Exception( "type missing in switch/case getVariableValue for ".$var->type );
+		}
+		return false;
+	}
+
+	private function rgb2html( $r, $g = -1, $b = -1 ) {
+		if ( is_array( $r ) && sizeof( $r ) == 3 )
+			list( $r, $g, $b ) = $r;
+
+		$r = intval( $r ); $g = intval( $g );
+		$b = intval( $b );
+
+		$r = dechex( $r < 0 ? 0 : ( $r > 255 ? 255 : $r ) );
+		$g = dechex( $g < 0 ? 0 : ( $g > 255 ? 255 : $g ) );
+		$b = dechex( $b < 0 ? 0 : ( $b > 255 ? 255 : $b ) );
+
+		$color = ( strlen( $r ) < 2 ? '0' : '' ).$r;
+		$color .= ( strlen( $g ) < 2 ? '0' : '' ).$g;
+		$color .= ( strlen( $b ) < 2 ? '0' : '' ).$b;
+		return '#'.$color;
+	}
+
+	/**
+	 * Run pre-compile visitors
+	 *
+	 */
+	private function PreVisitors( $root ) {
+		if ( Less_Parser::$options['plugins'] ) {
+			foreach ( Less_Parser::$options['plugins'] as $plugin ) {
+				if ( !empty( $plugin->isPreEvalVisitor ) ) {
+					$plugin->run( $root );
+				}
+			}
+		}
+	}
+
+	/**
+	 * Run post-compile visitors
+	 *
+	 */
+	private function PostVisitors( $evaldRoot ) {
+		$visitors = array();
+		$visitors[] = new Less_Visitor_joinSelector();
+		if ( self::$has_extends ) {
+			$visitors[] = new Less_Visitor_processExtends();
+		}
+		$visitors[] = new Less_Visitor_toCSS();
+
+		if ( Less_Parser::$options['plugins'] ) {
+			foreach ( Less_Parser::$options['plugins'] as $plugin ) {
+				if ( property_exists( $plugin, 'isPreEvalVisitor' ) && $plugin->isPreEvalVisitor ) {
+					continue;
+				}
+
+				if ( property_exists( $plugin, 'isPreVisitor' ) && $plugin->isPreVisitor ) {
+					array_unshift( $visitors, $plugin );
+				} else {
+					$visitors[] = $plugin;
+				}
+			}
+		}
+
+		for ( $i = 0; $i < count( $visitors ); $i++ ) {
+			$visitors[$i]->run( $evaldRoot );
+		}
+
+	}
+
+	/**
+	 * Parse a Less string into css
+	 *
+	 * @param string $str The string to convert
+	 * @param string $uri_root The url of the file
+	 * @return Less_Tree_Ruleset|Less_Parser
+	 */
+	public function parse( $str, $file_uri = null ) {
+		if ( !$file_uri ) {
+			$uri_root = '';
+			$filename = 'anonymous-file-'.Less_Parser::$next_id++.'.less';
+		} else {
+			$file_uri = self::WinPath( $file_uri );
+			$filename = $file_uri;
+			$uri_root = dirname( $file_uri );
+		}
+
+		$previousFileInfo = $this->env->currentFileInfo;
+		$uri_root = self::WinPath( $uri_root );
+		$this->SetFileInfo( $filename, $uri_root );
+
+		$this->input = $str;
+		$this->_parse();
+
+		if ( $previousFileInfo ) {
+			$this->env->currentFileInfo = $previousFileInfo;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Parse a Less string from a given file
+	 *
+	 * @throws Less_Exception_Parser
+	 * @param string $filename The file to parse
+	 * @param string $uri_root The url of the file
+	 * @param bool $returnRoot Indicates whether the return value should be a css string a root node
+	 * @return Less_Tree_Ruleset|Less_Parser
+	 */
+	public function parseFile( $filename, $uri_root = '', $returnRoot = false ) {
+		if ( !file_exists( $filename ) ) {
+			$this->Error( sprintf( 'File `%s` not found.', $filename ) );
+		}
+
+		// fix uri_root?
+		// Instead of The mixture of file path for the first argument and directory path for the second argument has bee
+		if ( !$returnRoot && !empty( $uri_root ) && basename( $uri_root ) == basename( $filename ) ) {
+			$uri_root = dirname( $uri_root );
+		}
+
+		$previousFileInfo = $this->env->currentFileInfo;
+
+		if ( $filename ) {
+			$filename = self::AbsPath( $filename, true );
+		}
+		$uri_root = self::WinPath( $uri_root );
+
+		$this->SetFileInfo( $filename, $uri_root );
+
+		self::AddParsedFile( $filename );
+
+		if ( $returnRoot ) {
+			$rules = $this->GetRules( $filename );
+			$return = new Less_Tree_Ruleset( array(), $rules );
+		} else {
+			$this->_parse( $filename );
+			$return = $this;
+		}
+
+		if ( $previousFileInfo ) {
+			$this->env->currentFileInfo = $previousFileInfo;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Allows a user to set variables values
+	 * @param array $vars
+	 * @return Less_Parser
+	 */
+	public function ModifyVars( $vars ) {
+		$this->input = Less_Parser::serializeVars( $vars );
+		$this->_parse();
+
+		return $this;
+	}
+
+	/**
+	 * @param string $filename
+	 */
+	public function SetFileInfo( $filename, $uri_root = '' ) {
+		$filename = Less_Environment::normalizePath( $filename );
+		$dirname = preg_replace( '/[^\/\\\\]*$/', '', $filename );
+
+		if ( !empty( $uri_root ) ) {
+			$uri_root = rtrim( $uri_root, '/' ).'/';
+		}
+
+		$currentFileInfo = array();
+
+		// entry info
+		if ( isset( $this->env->currentFileInfo ) ) {
+			$currentFileInfo['entryPath'] = $this->env->currentFileInfo['entryPath'];
+			$currentFileInfo['entryUri'] = $this->env->currentFileInfo['entryUri'];
+			$currentFileInfo['rootpath'] = $this->env->currentFileInfo['rootpath'];
+
+		} else {
+			$currentFileInfo['entryPath'] = $dirname;
+			$currentFileInfo['entryUri'] = $uri_root;
+			$currentFileInfo['rootpath'] = $dirname;
+		}
+
+		$currentFileInfo['currentDirectory'] = $dirname;
+		$currentFileInfo['currentUri'] = $uri_root.basename( $filename );
+		$currentFileInfo['filename'] = $filename;
+		$currentFileInfo['uri_root'] = $uri_root;
+
+		// inherit reference
+		if ( isset( $this->env->currentFileInfo['reference'] ) && $this->env->currentFileInfo['reference'] ) {
+			$currentFileInfo['reference'] = true;
+		}
+
+		$this->env->currentFileInfo = $currentFileInfo;
+	}
+
+	/**
+	 * @deprecated 1.5.1.2
+	 *
+	 */
+	public function SetCacheDir( $dir ) {
+		if ( !file_exists( $dir ) ) {
+			if ( mkdir( $dir ) ) {
+				return true;
+			}
+			throw new Less_Exception_Parser( 'Less.php cache directory couldn\'t be created: '.$dir );
+
+		} elseif ( !is_dir( $dir ) ) {
+			throw new Less_Exception_Parser( 'Less.php cache directory doesn\'t exist: '.$dir );
+
+		} elseif ( !is_writable( $dir ) ) {
+			throw new Less_Exception_Parser( 'Less.php cache directory isn\'t writable: '.$dir );
+
+		} else {
+			$dir = self::WinPath( $dir );
+			Less_Cache::$cache_dir = rtrim( $dir, '/' ).'/';
+			return true;
+		}
+	}
+
+	/**
+	 * Set a list of directories or callbacks the parser should use for determining import paths
+	 *
+	 * @param array $dirs
+	 */
+	public function SetImportDirs( $dirs ) {
+		Less_Parser::$options['import_dirs'] = array();
+
+		foreach ( $dirs as $path => $uri_root ) {
+
+			$path = self::WinPath( $path );
+			if ( !empty( $path ) ) {
+				$path = rtrim( $path, '/' ).'/';
+			}
+
+			if ( !is_callable( $uri_root ) ) {
+				$uri_root = self::WinPath( $uri_root );
+				if ( !empty( $uri_root ) ) {
+					$uri_root = rtrim( $uri_root, '/' ).'/';
+				}
+			}
+
+			Less_Parser::$options['import_dirs'][$path] = $uri_root;
+		}
+	}
+
+	/**
+	 * @param string $file_path
+	 */
+	private function _parse( $file_path = null ) {
+		$this->rules = array_merge( $this->rules, $this->GetRules( $file_path ) );
+	}
+
+	/**
+	 * Return the results of parsePrimary for $file_path
+	 * Use cache and save cached results if possible
+	 *
+	 * @param string|null $file_path
+	 */
+	private function GetRules( $file_path ) {
+		$this->SetInput( $file_path );
+
+		$cache_file = $this->CacheFile( $file_path );
+		if ( $cache_file ) {
+			if ( Less_Parser::$options['cache_method'] == 'callback' ) {
+				if ( is_callable( Less_Parser::$options['cache_callback_get'] ) ) {
+					$cache = call_user_func_array(
+						Less_Parser::$options['cache_callback_get'],
+						array( $this, $file_path, $cache_file )
+					);
+
+					if ( $cache ) {
+						$this->UnsetInput();
+						return $cache;
+					}
+				}
+
+			} elseif ( file_exists( $cache_file ) ) {
+				switch ( Less_Parser::$options['cache_method'] ) {
+
+					// Using serialize
+					// Faster but uses more memory
+					case 'serialize':
+						$cache = unserialize( file_get_contents( $cache_file ) );
+						if ( $cache ) {
+							touch( $cache_file );
+							$this->UnsetInput();
+							return $cache;
+						}
+						break;
+
+						// Using generated php code
+					case 'var_export':
+					case 'php':
+						$this->UnsetInput();
+						return include $cache_file;
+				}
+			}
+		}
+
+		$rules = $this->parsePrimary();
+
+		if ( $this->pos < $this->input_len ) {
+			throw new Less_Exception_Chunk( $this->input, null, $this->furthest, $this->env->currentFileInfo );
+		}
+
+		$this->UnsetInput();
+
+		// save the cache
+		if ( $cache_file ) {
+			if ( Less_Parser::$options['cache_method'] == 'callback' ) {
+				if ( is_callable( Less_Parser::$options['cache_callback_set'] ) ) {
+					call_user_func_array(
+						Less_Parser::$options['cache_callback_set'],
+						array( $this, $file_path, $cache_file, $rules )
+					);
+				}
+
+			} else {
+				// msg('write cache file');
+				switch ( Less_Parser::$options['cache_method'] ) {
+					case 'serialize':
+						file_put_contents( $cache_file, serialize( $rules ) );
+						break;
+					case 'php':
+						file_put_contents( $cache_file, '<?php return '.self::ArgString( $rules ).'; ?>' );
+						break;
+					case 'var_export':
+						// Requires __set_state()
+						file_put_contents( $cache_file, '<?php return '.var_export( $rules, true ).'; ?>' );
+						break;
+				}
+
+				Less_Cache::CleanCache();
+			}
+		}
+
+		return $rules;
+	}
+
+	/**
+	 * Set up the input buffer
+	 *
+	 */
+	public function SetInput( $file_path ) {
+		if ( $file_path ) {
+			$this->input = file_get_contents( $file_path );
+		}
+
+		$this->pos = $this->furthest = 0;
+
+		// Remove potential UTF Byte Order Mark
+		$this->input = preg_replace( '/\\G\xEF\xBB\xBF/', '', $this->input );
+		$this->input_len = strlen( $this->input );
+
+		if ( Less_Parser::$options['sourceMap'] && $this->env->currentFileInfo ) {
+			$uri = $this->env->currentFileInfo['currentUri'];
+			Less_Parser::$contentsMap[$uri] = $this->input;
+		}
+
+	}
+
+	/**
+	 * Free up some memory
+	 *
+	 */
+	public function UnsetInput() {
+		unset( $this->input, $this->pos, $this->input_len, $this->furthest );
+		$this->saveStack = array();
+	}
+
+	public function CacheFile( $file_path ) {
+		if ( $file_path && $this->CacheEnabled() ) {
+
+			$env = get_object_vars( $this->env );
+			unset( $env['frames'] );
+
+			$parts = array();
+			$parts[] = $file_path;
+			$parts[] = filesize( $file_path );
+			$parts[] = filemtime( $file_path );
+			$parts[] = $env;
+			$parts[] = Less_Version::cache_version;
+			$parts[] = Less_Parser::$options['cache_method'];
+			return Less_Cache::$cache_dir . Less_Cache::$prefix . base_convert( sha1( json_encode( $parts ) ), 16, 36 ) . '.lesscache';
+		}
+	}
+
+	static function AddParsedFile( $file ) {
+		self::$imports[] = $file;
+	}
+
+	static function AllParsedFiles() {
+		return self::$imports;
+	}
+
+	/**
+	 * @param string $file
+	 */
+	static function FileParsed( $file ) {
+		return in_array( $file, self::$imports );
+	}
+
+	function save() {
+		$this->saveStack[] = $this->pos;
+	}
+
+	private function restore() {
+		$this->pos = array_pop( $this->saveStack );
+	}
+
+	private function forget() {
+		array_pop( $this->saveStack );
+	}
+
+	/**
+	 * Determine if the character at the specified offset from the current position is a white space.
+	 *
+	 * @param int $offset
+	 *
+	 * @return bool
+	 */
+	private function isWhitespace( $offset = 0 ) {
+		return strpos( " \t\n\r\v\f", $this->input[$this->pos + $offset] ) !== false;
+	}
+
+	/**
+	 * Parse from a token, regexp or string, and move forward if match
+	 *
+	 * @param array $toks
+	 * @return array
+	 */
+	private function match( $toks ) {
+		// The match is confirmed, add the match length to `this::pos`,
+		// and consume any extra white-space characters (' ' || '\n')
+		// which come after that. The reason for this is that LeSS's
+		// grammar is mostly white-space insensitive.
+		//
+
+		foreach ( $toks as $tok ) {
+
+			$char = $tok[0];
+
+			if ( $char === '/' ) {
+				$match = $this->MatchReg( $tok );
+
+				if ( $match ) {
+					return count( $match ) === 1 ? $match[0] : $match;
+				}
+
+			} elseif ( $char === '#' ) {
+				$match = $this->MatchChar( $tok[1] );
+
+			} else {
+				// Non-terminal, match using a function call
+				$match = $this->$tok();
+
+			}
+
+			if ( $match ) {
+				return $match;
+			}
+		}
+	}
+
+	/**
+	 * @param string[] $toks
+	 *
+	 * @return string
+	 */
+	private function MatchFuncs( $toks ) {
+		if ( $this->pos < $this->input_len ) {
+			foreach ( $toks as $tok ) {
+				$match = $this->$tok();
+				if ( $match ) {
+					return $match;
+				}
+			}
+		}
+
+	}
+
+	// Match a single character in the input,
+	private function MatchChar( $tok ) {
+		if ( ( $this->pos < $this->input_len ) && ( $this->input[$this->pos] === $tok ) ) {
+			$this->skipWhitespace( 1 );
+			return $tok;
+		}
+	}
+
+	// Match a regexp from the current start point
+	private function MatchReg( $tok ) {
+		if ( preg_match( $tok, $this->input, $match, 0, $this->pos ) ) {
+			$this->skipWhitespace( strlen( $match[0] ) );
+			return $match;
+		}
+	}
+
+	/**
+	 * Same as match(), but don't change the state of the parser,
+	 * just return the match.
+	 *
+	 * @param string $tok
+	 * @return integer
+	 */
+	public function PeekReg( $tok ) {
+		return preg_match( $tok, $this->input, $match, 0, $this->pos );
+	}
+
+	/**
+	 * @param string $tok
+	 */
+	public function PeekChar( $tok ) {
+		// return ($this->input[$this->pos] === $tok );
+		return ( $this->pos < $this->input_len ) && ( $this->input[$this->pos] === $tok );
+	}
+
+	/**
+	 * @param integer $length
+	 */
+	public function skipWhitespace( $length ) {
+		$this->pos += $length;
+
+		for ( ; $this->pos < $this->input_len; $this->pos++ ) {
+			$c = $this->input[$this->pos];
+
+			if ( ( $c !== "\n" ) && ( $c !== "\r" ) && ( $c !== "\t" ) && ( $c !== ' ' ) ) {
+				break;
+			}
+		}
+	}
+
+	/**
+	 * @param string $tok
+	 * @param string|null $msg
+	 */
+	public function expect( $tok, $msg = NULL ) {
+		$result = $this->match( array( $tok ) );
+		if ( !$result ) {
+			$this->Error( $msg ? "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'" : $msg );
+		} else {
+			return $result;
+		}
+	}
+
+	/**
+	 * @param string $tok
+	 */
+	public function expectChar( $tok, $msg = null ) {
+		$result = $this->MatchChar( $tok );
+		if ( !$result ) {
+			$msg = $msg ? $msg : "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'";
+			$this->Error( $msg );
+		} else {
+			return $result;
+		}
+	}
+
+	//
+	// Here in, the parsing rules/functions
+	//
+	// The basic structure of the syntax tree generated is as follows:
+	//
+	//   Ruleset ->  Rule -> Value -> Expression -> Entity
+	//
+	// Here's some LESS code:
+	//
+	//	.class {
+	//	  color: #fff;
+	//	  border: 1px solid #000;
+	//	  width: @w + 4px;
+	//	  > .child {...}
+	//	}
+	//
+	// And here's what the parse tree might look like:
+	//
+	//	 Ruleset (Selector '.class', [
+	//		 Rule ("color",  Value ([Expression [Color #fff]]))
+	//		 Rule ("border", Value ([Expression [Dimension 1px][Keyword "solid"][Color #000]]))
+	//		 Rule ("width",  Value ([Expression [Operation "+" [Variable "@w"][Dimension 4px]]]))
+	//		 Ruleset (Selector [Element '>', '.child'], [...])
+	//	 ])
+	//
+	//  In general, most rules will try to parse a token with the `$()` function, and if the return
+	//  value is truly, will return a new node, of the relevant type. Sometimes, we need to check
+	//  first, before parsing, that's when we use `peek()`.
+	//
+
+	//
+	// The `primary` rule is the *entry* and *exit* point of the parser.
+	// The rules here can appear at any level of the parse tree.
+	//
+	// The recursive nature of the grammar is an interplay between the `block`
+	// rule, which represents `{ ... }`, the `ruleset` rule, and this `primary` rule,
+	// as represented by this simplified grammar:
+	//
+	//	 primary  →  (ruleset | rule)+
+	//	 ruleset  →  selector+ block
+	//	 block	→  '{' primary '}'
+	//
+	// Only at one point is the primary rule not called from the
+	// block rule: at the root level.
+	//
+	private function parsePrimary() {
+		$root = array();
+
+		while ( true ) {
+
+			if ( $this->pos >= $this->input_len ) {
+				break;
+			}
+
+			$node = $this->parseExtend( true );
+			if ( $node ) {
+				$root = array_merge( $root, $node );
+				continue;
+			}
+
+			// $node = $this->MatchFuncs( array( 'parseMixinDefinition', 'parseRule', 'parseRuleset', 'parseMixinCall', 'parseComment', 'parseDirective'));
+			$node = $this->MatchFuncs( array( 'parseMixinDefinition', 'parseNameValue', 'parseRule', 'parseRuleset', 'parseMixinCall', 'parseComment', 'parseRulesetCall', 'parseDirective' ) );
+
+			if ( $node ) {
+				$root[] = $node;
+			} elseif ( !$this->MatchReg( '/\\G[\s\n;]+/' ) ) {
+				break;
+			}
+
+			if ( $this->PeekChar( '}' ) ) {
+				break;
+			}
+		}
+
+		return $root;
+	}
+
+	// We create a Comment node for CSS comments `/* */`,
+	// but keep the LeSS comments `//` silent, by just skipping
+	// over them.
+	private function parseComment() {
+		if ( $this->input[$this->pos] !== '/' ) {
+			return;
+		}
+
+		if ( $this->input[$this->pos + 1] === '/' ) {
+			$match = $this->MatchReg( '/\\G\/\/.*/' );
+			return $this->NewObj4( 'Less_Tree_Comment', array( $match[0], true, $this->pos, $this->env->currentFileInfo ) );
+		}
+
+		// $comment = $this->MatchReg('/\\G\/\*(?:[^*]|\*+[^\/*])*\*+\/\n?/');
+		$comment = $this->MatchReg( '/\\G\/\*(?s).*?\*+\/\n?/' );// not the same as less.js to prevent fatal errors
+		if ( $comment ) {
+			return $this->NewObj4( 'Less_Tree_Comment', array( $comment[0], false, $this->pos, $this->env->currentFileInfo ) );
+		}
+	}
+
+	private function parseComments() {
+		$comments = array();
+
+		while ( $this->pos < $this->input_len ) {
+			$comment = $this->parseComment();
+			if ( !$comment ) {
+				break;
+			}
+
+			$comments[] = $comment;
+		}
+
+		return $comments;
+	}
+
+	//
+	// A string, which supports escaping " and '
+	//
+	//	 "milky way" 'he\'s the one!'
+	//
+	private function parseEntitiesQuoted() {
+		$j = $this->pos;
+		$e = false;
+		$index = $this->pos;
+
+		if ( $this->input[$this->pos] === '~' ) {
+			$j++;
+			$e = true; // Escaped strings
+		}
+
+		$char = $this->input[$j];
+		if ( $char !== '"' && $char !== "'" ) {
+			return;
+		}
+
+		if ( $e ) {
+			$this->MatchChar( '~' );
+		}
+
+		$matched = $this->MatchQuoted( $char, $j + 1 );
+		if ( $matched === false ) {
+			return;
+		}
+
+		$quoted = $char.$matched.$char;
+		return $this->NewObj5( 'Less_Tree_Quoted', array( $quoted, $matched, $e, $index, $this->env->currentFileInfo ) );
+	}
+
+	/**
+	 * When PCRE JIT is enabled in php, regular expressions don't work for matching quoted strings
+	 *
+	 *	$regex	= '/\\G\'((?:[^\'\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)\'/';
+	 *	$regex	= '/\\G"((?:[^"\\\\\r\n]|\\\\.|\\\\\r\n|\\\\[\n\r\f])*)"/';
+	 *
+	 */
+	private function MatchQuoted( $quote_char, $i ) {
+		$matched = '';
+		while ( $i < $this->input_len ) {
+			$c = $this->input[$i];
+
+			// escaped character
+			if ( $c === '\\' ) {
+				$matched .= $c . $this->input[$i + 1];
+				$i += 2;
+				continue;
+			}
+
+			if ( $c === $quote_char ) {
+				$this->pos = $i + 1;
+				$this->skipWhitespace( 0 );
+				return $matched;
+			}
+
+			if ( $c === "\r" || $c === "\n" ) {
+				return false;
+			}
+
+			$i++;
+			$matched .= $c;
+		}
+
+		return false;
+	}
+
+	//
+	// A catch-all word, such as:
+	//
+	//	 black border-collapse
+	//
+	private function parseEntitiesKeyword() {
+		// $k = $this->MatchReg('/\\G[_A-Za-z-][_A-Za-z0-9-]*/');
+		$k = $this->MatchReg( '/\\G%|\\G[_A-Za-z-][_A-Za-z0-9-]*/' );
+		if ( $k ) {
+			$k = $k[0];
+			$color = $this->fromKeyword( $k );
+			if ( $color ) {
+				return $color;
+			}
+			return $this->NewObj1( 'Less_Tree_Keyword', $k );
+		}
+	}
+
+	// duplicate of Less_Tree_Color::FromKeyword
+	private function FromKeyword( $keyword ) {
+		$keyword = strtolower( $keyword );
+
+		if ( Less_Colors::hasOwnProperty( $keyword ) ) {
+			// detect named color
+			return $this->NewObj1( 'Less_Tree_Color', substr( Less_Colors::color( $keyword ), 1 ) );
+		}
+
+		if ( $keyword === 'transparent' ) {
+			return $this->NewObj3( 'Less_Tree_Color', array( array( 0, 0, 0 ), 0, true ) );
+		}
+	}
+
+	//
+	// A function call
+	//
+	//	 rgb(255, 0, 255)
+	//
+	// We also try to catch IE's `alpha()`, but let the `alpha` parser
+	// deal with the details.
+	//
+	// The arguments are parsed with the `entities.arguments` parser.
+	//
+	private function parseEntitiesCall() {
+		$index = $this->pos;
+
+		if ( !preg_match( '/\\G([\w-]+|%|progid:[\w\.]+)\(/', $this->input, $name, 0, $this->pos ) ) {
+			return;
+		}
+		$name = $name[1];
+		$nameLC = strtolower( $name );
+
+		if ( $nameLC === 'url' ) {
+			return null;
+		}
+
+		$this->pos += strlen( $name );
+
+		if ( $nameLC === 'alpha' ) {
+			$alpha_ret = $this->parseAlpha();
+			if ( $alpha_ret ) {
+				return $alpha_ret;
+			}
+		}
+
+		$this->MatchChar( '(' ); // Parse the '(' and consume whitespace.
+
+		$args = $this->parseEntitiesArguments();
+
+		if ( !$this->MatchChar( ')' ) ) {
+			return;
+		}
+
+		if ( $name ) {
+			return $this->NewObj4( 'Less_Tree_Call', array( $name, $args, $index, $this->env->currentFileInfo ) );
+		}
+	}
+
+	/**
+	 * Parse a list of arguments
+	 *
+	 * @return array
+	 */
+	private function parseEntitiesArguments() {
+		$args = array();
+		while ( true ) {
+			$arg = $this->MatchFuncs( array( 'parseEntitiesAssignment','parseExpression' ) );
+			if ( !$arg ) {
+				break;
+			}
+
+			$args[] = $arg;
+			if ( !$this->MatchChar( ',' ) ) {
+				break;
+			}
+		}
+		return $args;
+	}
+
+	private function parseEntitiesLiteral() {
+		return $this->MatchFuncs( array( 'parseEntitiesDimension','parseEntitiesColor','parseEntitiesQuoted','parseUnicodeDescriptor' ) );
+	}
+
+	// Assignments are argument entities for calls.
+	// They are present in ie filter properties as shown below.
+	//
+	//	 filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* )
+	//
+	private function parseEntitiesAssignment() {
+		$key = $this->MatchReg( '/\\G\w+(?=\s?=)/' );
+		if ( !$key ) {
+			return;
+		}
+
+		if ( !$this->MatchChar( '=' ) ) {
+			return;
+		}
+
+		$value = $this->parseEntity();
+		if ( $value ) {
+			return $this->NewObj2( 'Less_Tree_Assignment', array( $key[0], $value ) );
+		}
+	}
+
+	//
+	// Parse url() tokens
+	//
+	// We use a specific rule for urls, because they don't really behave like
+	// standard function calls. The difference is that the argument doesn't have
+	// to be enclosed within a string, so it can't be parsed as an Expression.
+	//
+	private function parseEntitiesUrl() {
+		if ( $this->input[$this->pos] !== 'u' || !$this->matchReg( '/\\Gurl\(/' ) ) {
+			return;
+		}
+
+		$value = $this->match( array( 'parseEntitiesQuoted','parseEntitiesVariable','/\\Gdata\:.*?[^\)]+/','/\\G(?:(?:\\\\[\(\)\'"])|[^\(\)\'"])+/' ) );
+		if ( !$value ) {
+			$value = '';
+		}
+
+		$this->expectChar( ')' );
+
+		if ( isset( $value->value ) || $value instanceof Less_Tree_Variable ) {
+			return $this->NewObj2( 'Less_Tree_Url', array( $value, $this->env->currentFileInfo ) );
+		}
+
+		return $this->NewObj2( 'Less_Tree_Url', array( $this->NewObj1( 'Less_Tree_Anonymous', $value ), $this->env->currentFileInfo ) );
+	}
+
+	//
+	// A Variable entity, such as `@fink`, in
+	//
+	//	 width: @fink + 2px
+	//
+	// We use a different parser for variable definitions,
+	// see `parsers.variable`.
+	//
+	private function parseEntitiesVariable() {
+		$index = $this->pos;
+		if ( $this->PeekChar( '@' ) && ( $name = $this->MatchReg( '/\\G@@?[\w-]+/' ) ) ) {
+			return $this->NewObj3( 'Less_Tree_Variable', array( $name[0], $index, $this->env->currentFileInfo ) );
+		}
+	}
+
+	// A variable entity using the protective {} e.g. @{var}
+	private function parseEntitiesVariableCurly() {
+		$index = $this->pos;
+
+		if ( $this->input_len > ( $this->pos + 1 ) && $this->input[$this->pos] === '@' && ( $curly = $this->MatchReg( '/\\G@\{([\w-]+)\}/' ) ) ) {
+			return $this->NewObj3( 'Less_Tree_Variable', array( '@'.$curly[1], $index, $this->env->currentFileInfo ) );
+		}
+	}
+
+	//
+	// A Hexadecimal color
+	//
+	//	 #4F3C2F
+	//
+	// `rgb` and `hsl` colors are parsed through the `entities.call` parser.
+	//
+	private function parseEntitiesColor() {
+		if ( $this->PeekChar( '#' ) && ( $rgb = $this->MatchReg( '/\\G#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/' ) ) ) {
+			return $this->NewObj1( 'Less_Tree_Color', $rgb[1] );
+		}
+	}
+
+	//
+	// A Dimension, that is, a number and a unit
+	//
+	//	 0.5em 95%
+	//
+	private function parseEntitiesDimension() {
+		$c = @ord( $this->input[$this->pos] );
+
+		// Is the first char of the dimension 0-9, '.', '+' or '-'
+		if ( ( $c > 57 || $c < 43 ) || $c === 47 || $c == 44 ) {
+			return;
+		}
+
+		$value = $this->MatchReg( '/\\G([+-]?\d*\.?\d+)(%|[a-z]+)?/' );
+		if ( $value ) {
+
+			if ( isset( $value[2] ) ) {
+				return $this->NewObj2( 'Less_Tree_Dimension', array( $value[1],$value[2] ) );
+			}
+			return $this->NewObj1( 'Less_Tree_Dimension', $value[1] );
+		}
+	}
+
+	//
+	// A unicode descriptor, as is used in unicode-range
+	//
+	// U+0?? or U+00A1-00A9
+	//
+	function parseUnicodeDescriptor() {
+		$ud = $this->MatchReg( '/\\G(U\+[0-9a-fA-F?]+)(\-[0-9a-fA-F?]+)?/' );
+		if ( $ud ) {
+			return $this->NewObj1( 'Less_Tree_UnicodeDescriptor', $ud[0] );
+		}
+	}
+
+	//
+	// JavaScript code to be evaluated
+	//
+	//	 `window.location.href`
+	//
+	private function parseEntitiesJavascript() {
+		$e = false;
+		$j = $this->pos;
+		if ( $this->input[$j] === '~' ) {
+			$j++;
+			$e = true;
+		}
+		if ( $this->input[$j] !== '`' ) {
+			return;
+		}
+		if ( $e ) {
+			$this->MatchChar( '~' );
+		}
+		$str = $this->MatchReg( '/\\G`([^`]*)`/' );
+		if ( $str ) {
+			return $this->NewObj3( 'Less_Tree_Javascript', array( $str[1], $this->pos, $e ) );
+		}
+	}
+
+	//
+	// The variable part of a variable definition. Used in the `rule` parser
+	//
+	//	 @fink:
+	//
+	private function parseVariable() {
+		if ( $this->PeekChar( '@' ) && ( $name = $this->MatchReg( '/\\G(@[\w-]+)\s*:/' ) ) ) {
+			return $name[1];
+		}
+	}
+
+	//
+	// The variable part of a variable definition. Used in the `rule` parser
+	//
+	// @fink();
+	//
+	private function parseRulesetCall() {
+		if ( $this->input[$this->pos] === '@' && ( $name = $this->MatchReg( '/\\G(@[\w-]+)\s*\(\s*\)\s*;/' ) ) ) {
+			return $this->NewObj1( 'Less_Tree_RulesetCall', $name[1] );
+		}
+	}
+
+	//
+	// extend syntax - used to extend selectors
+	//
+	function parseExtend( $isRule = false ) {
+		$index = $this->pos;
+		$extendList = array();
+
+		if ( !$this->MatchReg( $isRule ? '/\\G&:extend\(/' : '/\\G:extend\(/' ) ) { return;
+		}
+
+		do{
+			$option = null;
+			$elements = array();
+			while ( true ) {
+				$option = $this->MatchReg( '/\\G(all)(?=\s*(\)|,))/' );
+				if ( $option ) { break;
+				}
+				$e = $this->parseElement();
+				if ( !$e ) { break;
+				}
+				$elements[] = $e;
+			}
+
+			if ( $option ) {
+				$option = $option[1];
+			}
+
+			$extendList[] = $this->NewObj3( 'Less_Tree_Extend', array( $this->NewObj1( 'Less_Tree_Selector', $elements ), $option, $index ) );
+
+		}while ( $this->MatchChar( "," ) );
+
+		$this->expect( '/\\G\)/' );
+
+		if ( $isRule ) {
+			$this->expect( '/\\G;/' );
+		}
+
+		return $extendList;
+	}
+
+	//
+	// A Mixin call, with an optional argument list
+	//
+	//	 #mixins > .square(#fff);
+	//	 .rounded(4px, black);
+	//	 .button;
+	//
+	// The `while` loop is there because mixins can be
+	// namespaced, but we only support the child and descendant
+	// selector for now.
+	//
+	private function parseMixinCall() {
+		$char = $this->input[$this->pos];
+		if ( $char !== '.' && $char !== '#' ) {
+			return;
+		}
+
+		$index = $this->pos;
+		$this->save(); // stop us absorbing part of an invalid selector
+
+		$elements = $this->parseMixinCallElements();
+
+		if ( $elements ) {
+
+			if ( $this->MatchChar( '(' ) ) {
+				$returned = $this->parseMixinArgs( true );
+				$args = $returned['args'];
+				$this->expectChar( ')' );
+			} else {
+				$args = array();
+			}
+
+			$important = $this->parseImportant();
+
+			if ( $this->parseEnd() ) {
+				$this->forget();
+				return $this->NewObj5( 'Less_Tree_Mixin_Call', array( $elements, $args, $index, $this->env->currentFileInfo, $important ) );
+			}
+		}
+
+		$this->restore();
+	}
+
+	private function parseMixinCallElements() {
+		$elements = array();
+		$c = null;
+
+		while ( true ) {
+			$elemIndex = $this->pos;
+			$e = $this->MatchReg( '/\\G[#.](?:[\w-]|\\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/' );
+			if ( !$e ) {
+				break;
+			}
+			$elements[] = $this->NewObj4( 'Less_Tree_Element', array( $c, $e[0], $elemIndex, $this->env->currentFileInfo ) );
+			$c = $this->MatchChar( '>' );
+		}
+
+		return $elements;
+	}
+
+	/**
+	 * @param boolean $isCall
+	 */
+	private function parseMixinArgs( $isCall ) {
+		$expressions = array();
+		$argsSemiColon = array();
+		$isSemiColonSeperated = null;
+		$argsComma = array();
+		$expressionContainsNamed = null;
+		$name = null;
+		$returner = array( 'args' => array(), 'variadic' => false );
+
+		$this->save();
+
+		while ( true ) {
+			if ( $isCall ) {
+				$arg = $this->MatchFuncs( array( 'parseDetachedRuleset','parseExpression' ) );
+			} else {
+				$this->parseComments();
+				if ( $this->input[ $this->pos ] === '.' && $this->MatchReg( '/\\G\.{3}/' ) ) {
+					$returner['variadic'] = true;
+					if ( $this->MatchChar( ";" ) && !$isSemiColonSeperated ) {
+						$isSemiColonSeperated = true;
+					}
+
+					if ( $isSemiColonSeperated ) {
+						$argsSemiColon[] = array( 'variadic' => true );
+					} else {
+						$argsComma[] = array( 'variadic' => true );
+					}
+					break;
+				}
+				$arg = $this->MatchFuncs( array( 'parseEntitiesVariable','parseEntitiesLiteral','parseEntitiesKeyword' ) );
+			}
+
+			if ( !$arg ) {
+				break;
+			}
+
+			$nameLoop = null;
+			if ( $arg instanceof Less_Tree_Expression ) {
+				$arg->throwAwayComments();
+			}
+			$value = $arg;
+			$val = null;
+
+			if ( $isCall ) {
+				// Variable
+				if ( property_exists( $arg, 'value' ) && count( $arg->value ) == 1 ) {
+					$val = $arg->value[0];
+				}
+			} else {
+				$val = $arg;
+			}
+
+			if ( $val instanceof Less_Tree_Variable ) {
+
+				if ( $this->MatchChar( ':' ) ) {
+					if ( $expressions ) {
+						if ( $isSemiColonSeperated ) {
+							$this->Error( 'Cannot mix ; and , as delimiter types' );
+						}
+						$expressionContainsNamed = true;
+					}
+
+					// we do not support setting a ruleset as a default variable - it doesn't make sense
+					// However if we do want to add it, there is nothing blocking it, just don't error
+					// and remove isCall dependency below
+					$value = null;
+					if ( $isCall ) {
+						$value = $this->parseDetachedRuleset();
+					}
+					if ( !$value ) {
+						$value = $this->parseExpression();
+					}
+
+					if ( !$value ) {
+						if ( $isCall ) {
+							$this->Error( 'could not understand value for named argument' );
+						} else {
+							$this->restore();
+							$returner['args'] = array();
+							return $returner;
+						}
+					}
+
+					$nameLoop = ( $name = $val->name );
+				} elseif ( !$isCall && $this->MatchReg( '/\\G\.{3}/' ) ) {
+					$returner['variadic'] = true;
+					if ( $this->MatchChar( ";" ) && !$isSemiColonSeperated ) {
+						$isSemiColonSeperated = true;
+					}
+					if ( $isSemiColonSeperated ) {
+						$argsSemiColon[] = array( 'name' => $arg->name, 'variadic' => true );
+					} else {
+						$argsComma[] = array( 'name' => $arg->name, 'variadic' => true );
+					}
+					break;
+				} elseif ( !$isCall ) {
+					$name = $nameLoop = $val->name;
+					$value = null;
+				}
+			}
+
+			if ( $value ) {
+				$expressions[] = $value;
+			}
+
+			$argsComma[] = array( 'name' => $nameLoop, 'value' => $value );
+
+			if ( $this->MatchChar( ',' ) ) {
+				continue;
+			}
+
+			if ( $this->MatchChar( ';' ) || $isSemiColonSeperated ) {
+
+				if ( $expressionContainsNamed ) {
+					$this->Error( 'Cannot mix ; and , as delimiter types' );
+				}
+
+				$isSemiColonSeperated = true;
+
+				if ( count( $expressions ) > 1 ) {
+					$value = $this->NewObj1( 'Less_Tree_Value', $expressions );
+				}
+				$argsSemiColon[] = array( 'name' => $name, 'value' => $value );
+
+				$name = null;
+				$expressions = array();
+				$expressionContainsNamed = false;
+			}
+		}
+
+		$this->forget();
+		$returner['args'] = ( $isSemiColonSeperated ? $argsSemiColon : $argsComma );
+		return $returner;
+	}
+
+	//
+	// A Mixin definition, with a list of parameters
+	//
+	//	 .rounded (@radius: 2px, @color) {
+	//		...
+	//	 }
+	//
+	// Until we have a finer grained state-machine, we have to
+	// do a look-ahead, to make sure we don't have a mixin call.
+	// See the `rule` function for more information.
+	//
+	// We start by matching `.rounded (`, and then proceed on to
+	// the argument list, which has optional default values.
+	// We store the parameters in `params`, with a `value` key,
+	// if there is a value, such as in the case of `@radius`.
+	//
+	// Once we've got our params list, and a closing `)`, we parse
+	// the `{...}` block.
+	//
+	private function parseMixinDefinition() {
+		$cond = null;
+
+		$char = $this->input[$this->pos];
+		if ( ( $char !== '.' && $char !== '#' ) || ( $char === '{' && $this->PeekReg( '/\\G[^{]*\}/' ) ) ) {
+			return;
+		}
+
+		$this->save();
+
+		$match = $this->MatchReg( '/\\G([#.](?:[\w-]|\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/' );
+		if ( $match ) {
+			$name = $match[1];
+
+			$argInfo = $this->parseMixinArgs( false );
+			$params = $argInfo['args'];
+			$variadic = $argInfo['variadic'];
+
+			// .mixincall("@{a}");
+			// looks a bit like a mixin definition..
+			// also
+			// .mixincall(@a: {rule: set;});
+			// so we have to be nice and restore
+			if ( !$this->MatchChar( ')' ) ) {
+				$this->furthest = $this->pos;
+				$this->restore();
+				return;
+			}
+
+			$this->parseComments();
+
+			if ( $this->MatchReg( '/\\Gwhen/' ) ) { // Guard
+				$cond = $this->expect( 'parseConditions', 'Expected conditions' );
+			}
+
+			$ruleset = $this->parseBlock();
+
+			if ( is_array( $ruleset ) ) {
+				$this->forget();
+				return $this->NewObj5( 'Less_Tree_Mixin_Definition', array( $name, $params, $ruleset, $cond, $variadic ) );
+			}
+
+			$this->restore();
+		} else {
+			$this->forget();
+		}
+	}
+
+	//
+	// Entities are the smallest recognized token,
+	// and can be found inside a rule's value.
+	//
+	private function parseEntity() {
+		return $this->MatchFuncs( array( 'parseEntitiesLiteral','parseEntitiesVariable','parseEntitiesUrl','parseEntitiesCall','parseEntitiesKeyword','parseEntitiesJavascript','parseComment' ) );
+	}
+
+	//
+	// A Rule terminator. Note that we use `peek()` to check for '}',
+	// because the `block` rule will be expecting it, but we still need to make sure
+	// it's there, if ';' was omitted.
+	//
+	private function parseEnd() {
+		return $this->MatchChar( ';' ) || $this->PeekChar( '}' );
+	}
+
+	//
+	// IE's alpha function
+	//
+	//	 alpha(opacity=88)
+	//
+	private function parseAlpha() {
+		if ( !$this->MatchReg( '/\\G\(opacity=/i' ) ) {
+			return;
+		}
+
+		$value = $this->MatchReg( '/\\G[0-9]+/' );
+		if ( $value ) {
+			$value = $value[0];
+		} else {
+			$value = $this->parseEntitiesVariable();
+			if ( !$value ) {
+				return;
+			}
+		}
+
+		$this->expectChar( ')' );
+		return $this->NewObj1( 'Less_Tree_Alpha', $value );
+	}
+
+	//
+	// A Selector Element
+	//
+	//	 div
+	//	 + h1
+	//	 #socks
+	//	 input[type="text"]
+	//
+	// Elements are the building blocks for Selectors,
+	// they are made out of a `Combinator` (see combinator rule),
+	// and an element name, such as a tag a class, or `*`.
+	//
+	private function parseElement() {
+		$c = $this->parseCombinator();
+		$index = $this->pos;
+
+		$e = $this->match( array( '/\\G(?:\d+\.\d+|\d+)%/', '/\\G(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/',
+			'#*', '#&', 'parseAttribute', '/\\G\([^()@]+\)/', '/\\G[\.#](?=@)/', 'parseEntitiesVariableCurly' ) );
+
+		if ( is_null( $e ) ) {
+			$this->save();
+			if ( $this->MatchChar( '(' ) ) {
+				if ( ( $v = $this->parseSelector() ) && $this->MatchChar( ')' ) ) {
+					$e = $this->NewObj1( 'Less_Tree_Paren', $v );
+					$this->forget();
+				} else {
+					$this->restore();
+				}
+			} else {
+				$this->forget();
+			}
+		}
+
+		if ( !is_null( $e ) ) {
+			return $this->NewObj4( 'Less_Tree_Element', array( $c, $e, $index, $this->env->currentFileInfo ) );
+		}
+	}
+
+	//
+	// Combinators combine elements together, in a Selector.
+	//
+	// Because our parser isn't white-space sensitive, special care
+	// has to be taken, when parsing the descendant combinator, ` `,
+	// as it's an empty space. We have to check the previous character
+	// in the input, to see if it's a ` ` character.
+	//
+	private function parseCombinator() {
+		if ( $this->pos < $this->input_len ) {
+			$c = $this->input[$this->pos];
+			if ( $c === '>' || $c === '+' || $c === '~' || $c === '|' || $c === '^' ) {
+
+				$this->pos++;
+				if ( $this->input[$this->pos] === '^' ) {
+					$c = '^^';
+					$this->pos++;
+				}
+
+				$this->skipWhitespace( 0 );
+
+				return $c;
+			}
+
+			if ( $this->pos > 0 && $this->isWhitespace( -1 ) ) {
+				return ' ';
+			}
+		}
+	}
+
+	//
+	// A CSS selector (see selector below)
+	// with less extensions e.g. the ability to extend and guard
+	//
+	private function parseLessSelector() {
+		return $this->parseSelector( true );
+	}
+
+	//
+	// A CSS Selector
+	//
+	//	 .class > div + h1
+	//	 li a:hover
+	//
+	// Selectors are made out of one or more Elements, see above.
+	//
+	private function parseSelector( $isLess = false ) {
+		$elements = array();
+		$extendList = array();
+		$condition = null;
+		$when = false;
+		$extend = false;
+		$e = null;
+		$c = null;
+		$index = $this->pos;
+
+		while ( ( $isLess && ( $extend = $this->parseExtend() ) ) || ( $isLess && ( $when = $this->MatchReg( '/\\Gwhen/' ) ) ) || ( $e = $this->parseElement() ) ) {
+			if ( $when ) {
+				$condition = $this->expect( 'parseConditions', 'expected condition' );
+			} elseif ( $condition ) {
+				// error("CSS guard can only be used at the end of selector");
+			} elseif ( $extend ) {
+				$extendList = array_merge( $extendList, $extend );
+			} else {
+				// if( count($extendList) ){
+				//error("Extend can only be used at the end of selector");
+				//}
+				if ( $this->pos < $this->input_len ) {
+					$c = $this->input[ $this->pos ];
+				}
+				$elements[] = $e;
+				$e = null;
+			}
+
+			if ( $c === '{' || $c === '}' || $c === ';' || $c === ',' || $c === ')' ) { break;
+			}
+		}
+
+		if ( $elements ) {
+			return $this->NewObj5( 'Less_Tree_Selector', array( $elements, $extendList, $condition, $index, $this->env->currentFileInfo ) );
+		}
+		if ( $extendList ) {
+			$this->Error( 'Extend must be used to extend a selector, it cannot be used on its own' );
+		}
+	}
+
+	private function parseTag() {
+		return ( $tag = $this->MatchReg( '/\\G[A-Za-z][A-Za-z-]*[0-9]?/' ) ) ? $tag : $this->MatchChar( '*' );
+	}
+
+	private function parseAttribute() {
+		$val = null;
+
+		if ( !$this->MatchChar( '[' ) ) {
+			return;
+		}
+
+		$key = $this->parseEntitiesVariableCurly();
+		if ( !$key ) {
+			$key = $this->expect( '/\\G(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\\\.)+/' );
+		}
+
+		$op = $this->MatchReg( '/\\G[|~*$^]?=/' );
+		if ( $op ) {
+			$val = $this->match( array( 'parseEntitiesQuoted','/\\G[0-9]+%/','/\\G[\w-]+/','parseEntitiesVariableCurly' ) );
+		}
+
+		$this->expectChar( ']' );
+
+		return $this->NewObj3( 'Less_Tree_Attribute', array( $key, $op === null ? null : $op[0], $val ) );
+	}
+
+	//
+	// The `block` rule is used by `ruleset` and `mixin.definition`.
+	// It's a wrapper around the `primary` rule, with added `{}`.
+	//
+	private function parseBlock() {
+		if ( $this->MatchChar( '{' ) ) {
+			$content = $this->parsePrimary();
+			if ( $this->MatchChar( '}' ) ) {
+				return $content;
+			}
+		}
+	}
+
+	private function parseBlockRuleset() {
+		$block = $this->parseBlock();
+
+		if ( $block ) {
+			$block = $this->NewObj2( 'Less_Tree_Ruleset', array( null, $block ) );
+		}
+
+		return $block;
+	}
+
+	private function parseDetachedRuleset() {
+		$blockRuleset = $this->parseBlockRuleset();
+		if ( $blockRuleset ) {
+			return $this->NewObj1( 'Less_Tree_DetachedRuleset', $blockRuleset );
+		}
+	}
+
+	//
+	// div, .class, body > p {...}
+	//
+	private function parseRuleset() {
+		$selectors = array();
+
+		$this->save();
+
+		while ( true ) {
+			$s = $this->parseLessSelector();
+			if ( !$s ) {
+				break;
+			}
+			$selectors[] = $s;
+			$this->parseComments();
+
+			if ( $s->condition && count( $selectors ) > 1 ) {
+				$this->Error( 'Guards are only currently allowed on a single selector.' );
+			}
+
+			if ( !$this->MatchChar( ',' ) ) {
+				break;
+			}
+			if ( $s->condition ) {
+				$this->Error( 'Guards are only currently allowed on a single selector.' );
+			}
+			$this->parseComments();
+		}
+
+		if ( $selectors ) {
+			$rules = $this->parseBlock();
+			if ( is_array( $rules ) ) {
+				$this->forget();
+				return $this->NewObj2( 'Less_Tree_Ruleset', array( $selectors, $rules ) ); // Less_Environment::$strictImports
+			}
+		}
+
+		// Backtrack
+		$this->furthest = $this->pos;
+		$this->restore();
+	}
+
+	/**
+	 * Custom less.php parse function for finding simple name-value css pairs
+	 * ex: width:100px;
+	 *
+	 */
+	private function parseNameValue() {
+		$index = $this->pos;
+		$this->save();
+
+		// $match = $this->MatchReg('/\\G([a-zA-Z\-]+)\s*:\s*((?:\'")?[a-zA-Z0-9\-% \.,!]+?(?:\'")?)\s*([;}])/');
+		$match = $this->MatchReg( '/\\G([a-zA-Z\-]+)\s*:\s*([\'"]?[#a-zA-Z0-9\-%\.,]+?[\'"]?) *(! *important)?\s*([;}])/' );
+		if ( $match ) {
+
+			if ( $match[4] == '}' ) {
+				$this->pos = $index + strlen( $match[0] ) - 1;
+			}
+
+			if ( $match[3] ) {
+				$match[2] .= ' !important';
+			}
+
+			return $this->NewObj4( 'Less_Tree_NameValue', array( $match[1], $match[2], $index, $this->env->currentFileInfo ) );
+		}
+
+		$this->restore();
+	}
+
+	private function parseRule( $tryAnonymous = null ) {
+		$merge = false;
+		$startOfRule = $this->pos;
+
+		$c = $this->input[$this->pos];
+		if ( $c === '.' || $c === '#' || $c === '&' ) {
+			return;
+		}
+
+		$this->save();
+		$name = $this->MatchFuncs( array( 'parseVariable','parseRuleProperty' ) );
+
+		if ( $name ) {
+
+			$isVariable = is_string( $name );
+
+			$value = null;
+			if ( $isVariable ) {
+				$value = $this->parseDetachedRuleset();
+			}
+
+			$important = null;
+			if ( !$value ) {
+
+				// prefer to try to parse first if its a variable or we are compressing
+				// but always fallback on the other one
+				//if( !$tryAnonymous && is_string($name) && $name[0] === '@' ){
+				if ( !$tryAnonymous && ( Less_Parser::$options['compress'] || $isVariable ) ) {
+					$value = $this->MatchFuncs( array( 'parseValue','parseAnonymousValue' ) );
+				} else {
+					$value = $this->MatchFuncs( array( 'parseAnonymousValue','parseValue' ) );
+				}
+
+				$important = $this->parseImportant();
+
+				// a name returned by this.ruleProperty() is always an array of the form:
+				// [string-1, ..., string-n, ""] or [string-1, ..., string-n, "+"]
+				// where each item is a tree.Keyword or tree.Variable
+				if ( !$isVariable && is_array( $name ) ) {
+					$nm = array_pop( $name );
+					if ( $nm->value ) {
+						$merge = $nm->value;
+					}
+				}
+			}
+
+			if ( $value && $this->parseEnd() ) {
+				$this->forget();
+				return $this->NewObj6( 'Less_Tree_Rule', array( $name, $value, $important, $merge, $startOfRule, $this->env->currentFileInfo ) );
+			} else {
+				$this->furthest = $this->pos;
+				$this->restore();
+				if ( $value && !$tryAnonymous ) {
+					return $this->parseRule( true );
+				}
+			}
+		} else {
+			$this->forget();
+		}
+	}
+
+	function parseAnonymousValue() {
+		if ( preg_match( '/\\G([^@+\/\'"*`(;{}-]*);/', $this->input, $match, 0, $this->pos ) ) {
+			$this->pos += strlen( $match[1] );
+			return $this->NewObj1( 'Less_Tree_Anonymous', $match[1] );
+		}
+	}
+
+	//
+	// An @import directive
+	//
+	//	 @import "lib";
+	//
+	// Depending on our environment, importing is done differently:
+	// In the browser, it's an XHR request, in Node, it would be a
+	// file-system operation. The function used for importing is
+	// stored in `import`, which we pass to the Import constructor.
+	//
+	private function parseImport() {
+		$this->save();
+
+		$dir = $this->MatchReg( '/\\G@import?\s+/' );
+
+		if ( $dir ) {
+			$options = $this->parseImportOptions();
+			$path = $this->MatchFuncs( array( 'parseEntitiesQuoted','parseEntitiesUrl' ) );
+
+			if ( $path ) {
+				$features = $this->parseMediaFeatures();
+				if ( $this->MatchChar( ';' ) ) {
+					if ( $features ) {
+						$features = $this->NewObj1( 'Less_Tree_Value', $features );
+					}
+
+					$this->forget();
+					return $this->NewObj5( 'Less_Tree_Import', array( $path, $features, $options, $this->pos, $this->env->currentFileInfo ) );
+				}
+			}
+		}
+
+		$this->restore();
+	}
+
+	private function parseImportOptions() {
+		$options = array();
+
+		// list of options, surrounded by parens
+		if ( !$this->MatchChar( '(' ) ) {
+			return $options;
+		}
+		do{
+			$optionName = $this->parseImportOption();
+			if ( $optionName ) {
+				$value = true;
+				switch ( $optionName ) {
+					case "css":
+						$optionName = "less";
+						$value = false;
+						break;
+					case "once":
+						$optionName = "multiple";
+						$value = false;
+						break;
+				}
+				$options[$optionName] = $value;
+				if ( !$this->MatchChar( ',' ) ) { break;
+				}
+			}
+		}while ( $optionName );
+		$this->expectChar( ')' );
+		return $options;
+	}
+
+	private function parseImportOption() {
+		$opt = $this->MatchReg( '/\\G(less|css|multiple|once|inline|reference|optional)/' );
+		if ( $opt ) {
+			return $opt[1];
+		}
+	}
+
+	private function parseMediaFeature() {
+		$nodes = array();
+
+		do{
+			$e = $this->MatchFuncs( array( 'parseEntitiesKeyword','parseEntitiesVariable' ) );
+			if ( $e ) {
+				$nodes[] = $e;
+			} elseif ( $this->MatchChar( '(' ) ) {
+				$p = $this->parseProperty();
+				$e = $this->parseValue();
+				if ( $this->MatchChar( ')' ) ) {
+					if ( $p && $e ) {
+						$r = $this->NewObj7( 'Less_Tree_Rule', array( $p, $e, null, null, $this->pos, $this->env->currentFileInfo, true ) );
+						$nodes[] = $this->NewObj1( 'Less_Tree_Paren', $r );
+					} elseif ( $e ) {
+						$nodes[] = $this->NewObj1( 'Less_Tree_Paren', $e );
+					} else {
+						return null;
+					}
+				} else return null;
+			}
+		} while ( $e );
+
+		if ( $nodes ) {
+			return $this->NewObj1( 'Less_Tree_Expression', $nodes );
+		}
+	}
+
+	private function parseMediaFeatures() {
+		$features = array();
+
+		do{
+			$e = $this->parseMediaFeature();
+			if ( $e ) {
+				$features[] = $e;
+				if ( !$this->MatchChar( ',' ) ) break;
+			} else {
+				$e = $this->parseEntitiesVariable();
+				if ( $e ) {
+					$features[] = $e;
+					if ( !$this->MatchChar( ',' ) ) break;
+				}
+			}
+		} while ( $e );
+
+		return $features ? $features : null;
+	}
+
+	private function parseMedia() {
+		if ( $this->MatchReg( '/\\G@media/' ) ) {
+			$features = $this->parseMediaFeatures();
+			$rules = $this->parseBlock();
+
+			if ( is_array( $rules ) ) {
+				return $this->NewObj4( 'Less_Tree_Media', array( $rules, $features, $this->pos, $this->env->currentFileInfo ) );
+			}
+		}
+	}
+
+	//
+	// A CSS Directive
+	//
+	// @charset "utf-8";
+	//
+	private function parseDirective() {
+		if ( !$this->PeekChar( '@' ) ) {
+			return;
+		}
+
+		$rules = null;
+		$index = $this->pos;
+		$hasBlock = true;
+		$hasIdentifier = false;
+		$hasExpression = false;
+		$hasUnknown = false;
+
+		$value = $this->MatchFuncs( array( 'parseImport','parseMedia' ) );
+		if ( $value ) {
+			return $value;
+		}
+
+		$this->save();
+
+		$name = $this->MatchReg( '/\\G@[a-z-]+/' );
+
+		if ( !$name ) return;
+		$name = $name[0];
+
+		$nonVendorSpecificName = $name;
+		$pos = strpos( $name, '-', 2 );
+		if ( $name[1] == '-' && $pos > 0 ) {
+			$nonVendorSpecificName = "@" . substr( $name, $pos + 1 );
+		}
+
+		switch ( $nonVendorSpecificName ) {
+			/*
+			case "@font-face":
+			case "@viewport":
+			case "@top-left":
+			case "@top-left-corner":
+			case "@top-center":
+			case "@top-right":
+			case "@top-right-corner":
+			case "@bottom-left":
+			case "@bottom-left-corner":
+			case "@bottom-center":
+			case "@bottom-right":
+			case "@bottom-right-corner":
+			case "@left-top":
+			case "@left-middle":
+			case "@left-bottom":
+			case "@right-top":
+			case "@right-middle":
+			case "@right-bottom":
+			hasBlock = true;
+			break;
+			*/
+			case "@charset":
+				$hasIdentifier = true;
+				$hasBlock = false;
+				break;
+			case "@namespace":
+				$hasExpression = true;
+				$hasBlock = false;
+				break;
+			case "@keyframes":
+				$hasIdentifier = true;
+				break;
+			case "@host":
+			case "@page":
+			case "@document":
+			case "@supports":
+				$hasUnknown = true;
+				break;
+		}
+
+		if ( $hasIdentifier ) {
+			$value = $this->parseEntity();
+			if ( !$value ) {
+				$this->error( "expected " . $name . " identifier" );
+			}
+		} else if ( $hasExpression ) {
+			$value = $this->parseExpression();
+			if ( !$value ) {
+				$this->error( "expected " . $name. " expression" );
+			}
+		} else if ( $hasUnknown ) {
+
+			$value = $this->MatchReg( '/\\G[^{;]+/' );
+			if ( $value ) {
+				$value = $this->NewObj1( 'Less_Tree_Anonymous', trim( $value[0] ) );
+			}
+		}
+
+		if ( $hasBlock ) {
+			$rules = $this->parseBlockRuleset();
+		}
+
+		if ( $rules || ( !$hasBlock && $value && $this->MatchChar( ';' ) ) ) {
+			$this->forget();
+			return $this->NewObj5( 'Less_Tree_Directive', array( $name, $value, $rules, $index, $this->env->currentFileInfo ) );
+		}
+
+		$this->restore();
+	}
+
+	//
+	// A Value is a comma-delimited list of Expressions
+	//
+	//	 font-family: Baskerville, Georgia, serif;
+	//
+	// In a Rule, a Value represents everything after the `:`,
+	// and before the `;`.
+	//
+	private function parseValue() {
+		$expressions = array();
+
+		do{
+			$e = $this->parseExpression();
+			if ( $e ) {
+				$expressions[] = $e;
+				if ( !$this->MatchChar( ',' ) ) {
+					break;
+				}
+			}
+		}while ( $e );
+
+		if ( $expressions ) {
+			return $this->NewObj1( 'Less_Tree_Value', $expressions );
+		}
+	}
+
+	private function parseImportant() {
+		if ( $this->PeekChar( '!' ) && $this->MatchReg( '/\\G! *important/' ) ) {
+			return ' !important';
+		}
+	}
+
+	private function parseSub() {
+		if ( $this->MatchChar( '(' ) ) {
+			$a = $this->parseAddition();
+			if ( $a ) {
+				$this->expectChar( ')' );
+				return $this->NewObj2( 'Less_Tree_Expression', array( array( $a ), true ) ); // instead of $e->parens = true so the value is cached
+			}
+		}
+	}
+
+	/**
+	 * Parses multiplication operation
+	 *
+	 * @return Less_Tree_Operation|null
+	 */
+	function parseMultiplication() {
+		$return = $m = $this->parseOperand();
+		if ( $return ) {
+			while ( true ) {
+
+				$isSpaced = $this->isWhitespace( -1 );
+
+				if ( $this->PeekReg( '/\\G\/[*\/]/' ) ) {
+					break;
+				}
+
+				$op = $this->MatchChar( '/' );
+				if ( !$op ) {
+					$op = $this->MatchChar( '*' );
+					if ( !$op ) {
+						break;
+					}
+				}
+
+				$a = $this->parseOperand();
+
+				if ( !$a ) { break;
+				}
+
+				$m->parensInOp = true;
+				$a->parensInOp = true;
+				$return = $this->NewObj3( 'Less_Tree_Operation', array( $op, array( $return, $a ), $isSpaced ) );
+			}
+		}
+		return $return;
+
+	}
+
+	/**
+	 * Parses an addition operation
+	 *
+	 * @return Less_Tree_Operation|null
+	 */
+	private function parseAddition() {
+		$return = $m = $this->parseMultiplication();
+		if ( $return ) {
+			while ( true ) {
+
+				$isSpaced = $this->isWhitespace( -1 );
+
+				$op = $this->MatchReg( '/\\G[-+]\s+/' );
+				if ( $op ) {
+					$op = $op[0];
+				} else {
+					if ( !$isSpaced ) {
+						$op = $this->match( array( '#+','#-' ) );
+					}
+					if ( !$op ) {
+						break;
+					}
+				}
+
+				$a = $this->parseMultiplication();
+				if ( !$a ) {
+					break;
+				}
+
+				$m->parensInOp = true;
+				$a->parensInOp = true;
+				$return = $this->NewObj3( 'Less_Tree_Operation', array( $op, array( $return, $a ), $isSpaced ) );
+			}
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Parses the conditions
+	 *
+	 * @return Less_Tree_Condition|null
+	 */
+	private function parseConditions() {
+		$index = $this->pos;
+		$return = $a = $this->parseCondition();
+		if ( $a ) {
+			while ( true ) {
+				if ( !$this->PeekReg( '/\\G,\s*(not\s*)?\(/' ) || !$this->MatchChar( ',' ) ) {
+					break;
+				}
+				$b = $this->parseCondition();
+				if ( !$b ) {
+					break;
+				}
+
+				$return = $this->NewObj4( 'Less_Tree_Condition', array( 'or', $return, $b, $index ) );
+			}
+			return $return;
+		}
+	}
+
+	private function parseCondition() {
+		$index = $this->pos;
+		$negate = false;
+		$c = null;
+
+		if ( $this->MatchReg( '/\\Gnot/' ) ) $negate = true;
+		$this->expectChar( '(' );
+		$a = $this->MatchFuncs( array( 'parseAddition','parseEntitiesKeyword','parseEntitiesQuoted' ) );
+
+		if ( $a ) {
+			$op = $this->MatchReg( '/\\G(?:>=|<=|=<|[<=>])/' );
+			if ( $op ) {
+				$b = $this->MatchFuncs( array( 'parseAddition','parseEntitiesKeyword','parseEntitiesQuoted' ) );
+				if ( $b ) {
+					$c = $this->NewObj5( 'Less_Tree_Condition', array( $op[0], $a, $b, $index, $negate ) );
+				} else {
+					$this->Error( 'Unexpected expression' );
+				}
+			} else {
+				$k = $this->NewObj1( 'Less_Tree_Keyword', 'true' );
+				$c = $this->NewObj5( 'Less_Tree_Condition', array( '=', $a, $k, $index, $negate ) );
+			}
+			$this->expectChar( ')' );
+			return $this->MatchReg( '/\\Gand/' ) ? $this->NewObj3( 'Less_Tree_Condition', array( 'and', $c, $this->parseCondition() ) ) : $c;
+		}
+	}
+
+	/**
+	 * An operand is anything that can be part of an operation,
+	 * such as a Color, or a Variable
+	 *
+	 */
+	private function parseOperand() {
+		$negate = false;
+		$offset = $this->pos + 1;
+		if ( $offset >= $this->input_len ) {
+			return;
+		}
+		$char = $this->input[$offset];
+		if ( $char === '@' || $char === '(' ) {
+			$negate = $this->MatchChar( '-' );
+		}
+
+		$o = $this->MatchFuncs( array( 'parseSub','parseEntitiesDimension','parseEntitiesColor','parseEntitiesVariable','parseEntitiesCall' ) );
+
+		if ( $negate ) {
+			$o->parensInOp = true;
+			$o = $this->NewObj1( 'Less_Tree_Negative', $o );
+		}
+
+		return $o;
+	}
+
+	/**
+	 * Expressions either represent mathematical operations,
+	 * or white-space delimited Entities.
+	 *
+	 *	 1px solid black
+	 * @var * 2
+	 *
+	 * @return Less_Tree_Expression|null
+	 */
+	private function parseExpression() {
+		$entities = array();
+
+		do{
+			$e = $this->MatchFuncs( array( 'parseAddition','parseEntity' ) );
+			if ( $e ) {
+				$entities[] = $e;
+				// operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here
+				if ( !$this->PeekReg( '/\\G\/[\/*]/' ) ) {
+					$delim = $this->MatchChar( '/' );
+					if ( $delim ) {
+						$entities[] = $this->NewObj1( 'Less_Tree_Anonymous', $delim );
+					}
+				}
+			}
+		}while ( $e );
+
+		if ( $entities ) {
+			return $this->NewObj1( 'Less_Tree_Expression', $entities );
+		}
+	}
+
+	/**
+	 * Parse a property
+	 * eg: 'min-width', 'orientation', etc
+	 *
+	 * @return string
+	 */
+	private function parseProperty() {
+		$name = $this->MatchReg( '/\\G(\*?-?[_a-zA-Z0-9-]+)\s*:/' );
+		if ( $name ) {
+			return $name[1];
+		}
+	}
+
+	/**
+	 * Parse a rule property
+	 * eg: 'color', 'width', 'height', etc
+	 *
+	 * @return string
+	 */
+	private function parseRuleProperty() {
+		$offset = $this->pos;
+		$name = array();
+		$index = array();
+		$length = 0;
+
+		$this->rulePropertyMatch( '/\\G(\*?)/', $offset, $length, $index, $name );
+		while ( $this->rulePropertyMatch( '/\\G((?:[\w-]+)|(?:@\{[\w-]+\}))/', $offset, $length, $index, $name ) ); // !
+
+		if ( ( count( $name ) > 1 ) && $this->rulePropertyMatch( '/\\G\s*((?:\+_|\+)?)\s*:/', $offset, $length, $index, $name ) ) {
+			// at last, we have the complete match now. move forward,
+			// convert name particles to tree objects and return:
+			$this->skipWhitespace( $length );
+
+			if ( $name[0] === '' ) {
+				array_shift( $name );
+				array_shift( $index );
+			}
+			foreach ( $name as $k => $s ) {
+				if ( !$s || $s[0] !== '@' ) {
+					$name[$k] = $this->NewObj1( 'Less_Tree_Keyword', $s );
+				} else {
+					$name[$k] = $this->NewObj3( 'Less_Tree_Variable', array( '@' . substr( $s, 2, -1 ), $index[$k], $this->env->currentFileInfo ) );
+				}
+			}
+			return $name;
+		}
+
+	}
+
+	private function rulePropertyMatch( $re, &$offset, &$length, &$index, &$name ) {
+		preg_match( $re, $this->input, $a, 0, $offset );
+		if ( $a ) {
+			$index[] = $this->pos + $length;
+			$length += strlen( $a[0] );
+			$offset += strlen( $a[0] );
+			$name[] = $a[1];
+			return true;
+		}
+	}
+
+	public static function serializeVars( $vars ) {
+		$s = '';
+
+		foreach ( $vars as $name => $value ) {
+			$s .= ( ( $name[0] === '@' ) ? '' : '@' ) . $name .': '. $value . ( ( substr( $value, -1 ) === ';' ) ? '' : ';' );
+		}
+
+		return $s;
+	}
+
+	/**
+	 * Some versions of php have trouble with method_exists($a,$b) if $a is not an object
+	 *
+	 * @param string $b
+	 */
+	public static function is_method( $a, $b ) {
+		return is_object( $a ) && method_exists( $a, $b );
+	}
+
+	/**
+	 * Round numbers similarly to javascript
+	 * eg: 1.499999 to 1 instead of 2
+	 *
+	 */
+	public static function round( $i, $precision = 0 ) {
+		$precision = pow( 10, $precision );
+		$i = $i * $precision;
+
+		$ceil = ceil( $i );
+		$floor = floor( $i );
+		if ( ( $ceil - $i ) <= ( $i - $floor ) ) {
+			return $ceil / $precision;
+		} else {
+			return $floor / $precision;
+		}
+	}
+
+	/**
+	 * Create Less_Tree_* objects and optionally generate a cache string
+	 *
+	 * @return mixed
+	 */
+	public function NewObj0( $class ) {
+		$obj = new $class();
+		if ( $this->CacheEnabled() ) {
+			$obj->cache_string = ' new '.$class.'()';
+		}
+		return $obj;
+	}
+
+	public function NewObj1( $class, $arg ) {
+		$obj = new $class( $arg );
+		if ( $this->CacheEnabled() ) {
+			$obj->cache_string = ' new '.$class.'('.Less_Parser::ArgString( $arg ).')';
+		}
+		return $obj;
+	}
+
+	public function NewObj2( $class, $args ) {
+		$obj = new $class( $args[0], $args[1] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	public function NewObj3( $class, $args ) {
+		$obj = new $class( $args[0], $args[1], $args[2] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	public function NewObj4( $class, $args ) {
+		$obj = new $class( $args[0], $args[1], $args[2], $args[3] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	public function NewObj5( $class, $args ) {
+		$obj = new $class( $args[0], $args[1], $args[2], $args[3], $args[4] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	public function NewObj6( $class, $args ) {
+		$obj = new $class( $args[0], $args[1], $args[2], $args[3], $args[4], $args[5] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	public function NewObj7( $class, $args ) {
+		$obj = new $class( $args[0], $args[1], $args[2], $args[3], $args[4], $args[5], $args[6] );
+		if ( $this->CacheEnabled() ) {
+			$this->ObjCache( $obj, $class, $args );
+		}
+		return $obj;
+	}
+
+	// caching
+	public function ObjCache( $obj, $class, $args = array() ) {
+		$obj->cache_string = ' new '.$class.'('. self::ArgCache( $args ).')';
+	}
+
+	public function ArgCache( $args ) {
+		return implode( ',', array_map( array( 'Less_Parser','ArgString' ), $args ) );
+	}
+
+	/**
+	 * Convert an argument to a string for use in the parser cache
+	 *
+	 * @return string
+	 */
+	public static function ArgString( $arg ) {
+		$type = gettype( $arg );
+
+		if ( $type === 'object' ) {
+			$string = $arg->cache_string;
+			unset( $arg->cache_string );
+			return $string;
+
+		} elseif ( $type === 'array' ) {
+			$string = ' Array(';
+			foreach ( $arg as $k => $a ) {
+				$string .= var_export( $k, true ).' => '.self::ArgString( $a ).',';
+			}
+			return $string . ')';
+		}
+
+		return var_export( $arg, true );
+	}
+
+	public function Error( $msg ) {
+		throw new Less_Exception_Parser( $msg, null, $this->furthest, $this->env->currentFileInfo );
+	}
+
+	public static function WinPath( $path ) {
+		return str_replace( '\\', '/', $path );
+	}
+
+	public static function AbsPath( $path, $winPath = false ) {
+		if ( strpos( $path, '//' ) !== false && preg_match( '_^(https?:)?//\\w+(\\.\\w+)+/\\w+_i', $path ) ) {
+			return $winPath ? '' : false;
+		} else {
+			$path = realpath( $path );
+			if ( $winPath ) {
+				$path = self::WinPath( $path );
+			}
+			return $path;
+		}
+	}
+
+	public function CacheEnabled() {
+		return ( Less_Parser::$options['cache_method'] && ( Less_Cache::$cache_dir || ( Less_Parser::$options['cache_method'] == 'callback' ) ) );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php b/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php
new file mode 100755
index 0000000..989a4ce
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/SourceMap/Base64VLQ.php
@@ -0,0 +1,187 @@
+<?php
+
+/**
+ * Encode / Decode Base64 VLQ.
+ *
+ * @package Less
+ * @subpackage SourceMap
+ */
+class Less_SourceMap_Base64VLQ {
+
+	/**
+	 * Shift
+	 *
+	 * @var integer
+	 */
+	private $shift = 5;
+
+	/**
+	 * Mask
+	 *
+	 * @var integer
+	 */
+	private $mask = 0x1F; // == (1 << shift) == 0b00011111
+
+	/**
+	 * Continuation bit
+	 *
+	 * @var integer
+	 */
+	private $continuationBit = 0x20; // == (mask - 1 ) == 0b00100000
+
+	/**
+	 * Char to integer map
+	 *
+	 * @var array
+	 */
+	private $charToIntMap = array(
+		'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6,
+		'H' => 7,'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13,
+		'O' => 14, 'P' => 15, 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20,
+		'V' => 21, 'W' => 22, 'X' => 23, 'Y' => 24, 'Z' => 25, 'a' => 26, 'b' => 27,
+		'c' => 28, 'd' => 29, 'e' => 30, 'f' => 31, 'g' => 32, 'h' => 33, 'i' => 34,
+		'j' => 35, 'k' => 36, 'l' => 37, 'm' => 38, 'n' => 39, 'o' => 40, 'p' => 41,
+		'q' => 42, 'r' => 43, 's' => 44, 't' => 45, 'u' => 46, 'v' => 47, 'w' => 48,
+		'x' => 49, 'y' => 50, 'z' => 51, 0 => 52, 1 => 53, 2 => 54, 3 => 55, 4 => 56,
+		5 => 57,	6 => 58, 7 => 59, 8 => 60, 9 => 61, '+' => 62, '/' => 63,
+	);
+
+	/**
+	 * Integer to char map
+	 *
+	 * @var array
+	 */
+	private $intToCharMap = array(
+		0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G',
+		7 => 'H', 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N',
+		14 => 'O', 15 => 'P', 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U',
+		21 => 'V', 22 => 'W', 23 => 'X', 24 => 'Y', 25 => 'Z', 26 => 'a', 27 => 'b',
+		28 => 'c', 29 => 'd', 30 => 'e', 31 => 'f', 32 => 'g', 33 => 'h', 34 => 'i',
+		35 => 'j', 36 => 'k', 37 => 'l', 38 => 'm', 39 => 'n', 40 => 'o', 41 => 'p',
+		42 => 'q', 43 => 'r', 44 => 's', 45 => 't', 46 => 'u', 47 => 'v', 48 => 'w',
+		49 => 'x', 50 => 'y', 51 => 'z', 52 => '0', 53 => '1', 54 => '2', 55 => '3',
+		56 => '4', 57 => '5', 58 => '6', 59 => '7', 60 => '8', 61 => '9', 62 => '+',
+		63 => '/',
+	);
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		// I leave it here for future reference
+		// foreach(str_split('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/') as $i => $char)
+		// {
+		//	 $this->charToIntMap[$char] = $i;
+		//	 $this->intToCharMap[$i] = $char;
+		// }
+	}
+
+	/**
+	 * Convert from a two-complement value to a value where the sign bit is
+	 * is placed in the least significant bit.	For example, as decimals:
+	 *	 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+	 *	 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+	 * We generate the value for 32 bit machines, hence -2147483648 becomes 1, not 4294967297,
+	 * even on a 64 bit machine.
+	 * @param string $aValue
+	 */
+	public function toVLQSigned( $aValue ) {
+		return 0xffffffff & ( $aValue < 0 ? ( ( -$aValue ) << 1 ) + 1 : ( $aValue << 1 ) + 0 );
+	}
+
+	/**
+	 * Convert to a two-complement value from a value where the sign bit is
+	 * is placed in the least significant bit. For example, as decimals:
+	 *	 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+	 *	 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+	 * We assume that the value was generated with a 32 bit machine in mind.
+	 * Hence
+	 *	 1 becomes -2147483648
+	 * even on a 64 bit machine.
+	 * @param integer $aValue
+	 */
+	public function fromVLQSigned( $aValue ) {
+		return $aValue & 1 ? $this->zeroFill( ~$aValue + 2, 1 ) | ( -1 - 0x7fffffff ) : $this->zeroFill( $aValue, 1 );
+	}
+
+	/**
+	 * Return the base 64 VLQ encoded value.
+	 *
+	 * @param string $aValue The value to encode
+	 * @return string The encoded value
+	 */
+	public function encode( $aValue ) {
+		$encoded = '';
+		$vlq = $this->toVLQSigned( $aValue );
+		do
+		{
+			$digit = $vlq & $this->mask;
+			$vlq = $this->zeroFill( $vlq, $this->shift );
+			if ( $vlq > 0 ) {
+				$digit |= $this->continuationBit;
+			}
+			$encoded .= $this->base64Encode( $digit );
+		} while ( $vlq > 0 );
+
+		return $encoded;
+	}
+
+	/**
+	 * Return the value decoded from base 64 VLQ.
+	 *
+	 * @param string $encoded The encoded value to decode
+	 * @return integer The decoded value
+	 */
+	public function decode( $encoded ) {
+		$vlq = 0;
+		$i = 0;
+		do
+		{
+			$digit = $this->base64Decode( $encoded[$i] );
+			$vlq |= ( $digit & $this->mask ) << ( $i * $this->shift );
+			$i++;
+		} while ( $digit & $this->continuationBit );
+
+		return $this->fromVLQSigned( $vlq );
+	}
+
+	/**
+	 * Right shift with zero fill.
+	 *
+	 * @param integer $a number to shift
+	 * @param integer $b number of bits to shift
+	 * @return integer
+	 */
+	public function zeroFill( $a, $b ) {
+		return ( $a >= 0 ) ? ( $a >> $b ) : ( $a >> $b ) & ( PHP_INT_MAX >> ( $b - 1 ) );
+	}
+
+	/**
+	 * Encode single 6-bit digit as base64.
+	 *
+	 * @param integer $number
+	 * @return string
+	 * @throws Exception If the number is invalid
+	 */
+	public function base64Encode( $number ) {
+		if ( $number < 0 || $number > 63 ) {
+			throw new Exception( sprintf( 'Invalid number "%s" given. Must be between 0 and 63.', $number ) );
+		}
+		return $this->intToCharMap[$number];
+	}
+
+	/**
+	 * Decode single 6-bit digit from base64
+	 *
+	 * @param string $char
+	 * @return number
+	 * @throws Exception If the number is invalid
+	 */
+	public function base64Decode( $char ) {
+		if ( !array_key_exists( $char, $this->charToIntMap ) ) {
+			throw new Exception( sprintf( 'Invalid base 64 digit "%s" given.', $char ) );
+		}
+		return $this->charToIntMap[$char];
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php b/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php
new file mode 100755
index 0000000..eded501
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/SourceMap/Generator.php
@@ -0,0 +1,354 @@
+<?php
+
+/**
+ * Source map generator
+ *
+ * @package Less
+ * @subpackage Output
+ */
+class Less_SourceMap_Generator extends Less_Configurable {
+
+	/**
+	 * What version of source map does the generator generate?
+	 */
+	private const VERSION = 3;
+
+	/**
+	 * Array of default options
+	 *
+	 * @var array
+	 */
+	protected $defaultOptions = array(
+			// an optional source root, useful for relocating source files
+			// on a server or removing repeated values in the 'sources' entry.
+			// This value is prepended to the individual entries in the 'source' field.
+			'sourceRoot'			=> '',
+
+			// an optional name of the generated code that this source map is associated with.
+			'sourceMapFilename'		=> null,
+
+			// url of the map
+			'sourceMapURL'			=> null,
+
+			// absolute path to a file to write the map to
+			'sourceMapWriteTo'		=> null,
+
+			// output source contents?
+			'outputSourceFiles'		=> false,
+
+			// base path for filename normalization
+			'sourceMapRootpath'		=> '',
+
+			// base path for filename normalization
+			'sourceMapBasepath'   => ''
+	);
+
+	/**
+	 * The base64 VLQ encoder
+	 *
+	 * @var Less_SourceMap_Base64VLQ
+	 */
+	protected $encoder;
+
+	/**
+	 * Array of mappings
+	 *
+	 * @var array
+	 */
+	protected $mappings = array();
+
+	/**
+	 * The root node
+	 *
+	 * @var Less_Tree_Ruleset
+	 */
+	protected $root;
+
+	/**
+	 * Array of contents map
+	 *
+	 * @var array
+	 */
+	protected $contentsMap = array();
+
+	/**
+	 * File to content map
+	 *
+	 * @var array
+	 */
+	protected $sources = array();
+	protected $source_keys = array();
+
+	/**
+	 * Constructor
+	 *
+	 * @param Less_Tree_Ruleset $root The root node
+	 * @param array $options Array of options
+	 */
+	public function __construct( Less_Tree_Ruleset $root, $contentsMap, $options = array() ) {
+		$this->root = $root;
+		$this->contentsMap = $contentsMap;
+		$this->encoder = new Less_SourceMap_Base64VLQ();
+
+		$this->SetOptions( $options );
+
+		$this->options['sourceMapRootpath'] = $this->fixWindowsPath( $this->options['sourceMapRootpath'], true );
+		$this->options['sourceMapBasepath'] = $this->fixWindowsPath( $this->options['sourceMapBasepath'], true );
+	}
+
+	/**
+	 * Generates the CSS
+	 *
+	 * @return string
+	 */
+	public function generateCSS() {
+		$output = new Less_Output_Mapped( $this->contentsMap, $this );
+
+		// catch the output
+		$this->root->genCSS( $output );
+
+		$sourceMapUrl				= $this->getOption( 'sourceMapURL' );
+		$sourceMapFilename			= $this->getOption( 'sourceMapFilename' );
+		$sourceMapContent			= $this->generateJson();
+		$sourceMapWriteTo			= $this->getOption( 'sourceMapWriteTo' );
+
+		if ( !$sourceMapUrl && $sourceMapFilename ) {
+			$sourceMapUrl = $this->normalizeFilename( $sourceMapFilename );
+		}
+
+		// write map to a file
+		if ( $sourceMapWriteTo ) {
+			$this->saveMap( $sourceMapWriteTo, $sourceMapContent );
+		}
+
+		// inline the map
+		if ( !$sourceMapUrl ) {
+			$sourceMapUrl = sprintf( 'data:application/json,%s', Less_Functions::encodeURIComponent( $sourceMapContent ) );
+		}
+
+		if ( $sourceMapUrl ) {
+			$output->add( sprintf( '/*# sourceMappingURL=%s */', $sourceMapUrl ) );
+		}
+
+		return $output->toString();
+	}
+
+	/**
+	 * Saves the source map to a file
+	 *
+	 * @param string $file The absolute path to a file
+	 * @param string $content The content to write
+	 * @throws Exception If the file could not be saved
+	 */
+	protected function saveMap( $file, $content ) {
+		$dir = dirname( $file );
+		// directory does not exist
+		if ( !is_dir( $dir ) ) {
+			// FIXME: create the dir automatically?
+			throw new Exception( sprintf( 'The directory "%s" does not exist. Cannot save the source map.', $dir ) );
+		}
+		// FIXME: proper saving, with dir write check!
+		if ( file_put_contents( $file, $content ) === false ) {
+			throw new Exception( sprintf( 'Cannot save the source map to "%s"', $file ) );
+		}
+		return true;
+	}
+
+	/**
+	 * Normalizes the filename
+	 *
+	 * @param string $filename
+	 * @return string
+	 */
+	protected function normalizeFilename( $filename ) {
+		$filename = $this->fixWindowsPath( $filename );
+
+		$rootpath = $this->getOption( 'sourceMapRootpath' );
+		$basePath = $this->getOption( 'sourceMapBasepath' );
+
+		// "Trim" the 'sourceMapBasepath' from the output filename.
+		if ( is_string( $basePath ) && strpos( $filename, $basePath ) === 0 ) {
+			$filename = substr( $filename, strlen( $basePath ) );
+		}
+
+		// Remove extra leading path separators.
+		if ( strpos( $filename, '\\' ) === 0 || strpos( $filename, '/' ) === 0 ) {
+			$filename = substr( $filename, 1 );
+		}
+
+		return $rootpath . $filename;
+	}
+
+	/**
+	 * Adds a mapping
+	 *
+	 * @param integer $generatedLine The line number in generated file
+	 * @param integer $generatedColumn The column number in generated file
+	 * @param integer $originalLine The line number in original file
+	 * @param integer $originalColumn The column number in original file
+	 * @param string $sourceFile The original source file
+	 */
+	public function addMapping( $generatedLine, $generatedColumn, $originalLine, $originalColumn, $fileInfo ) {
+		$this->mappings[] = array(
+			'generated_line' => $generatedLine,
+			'generated_column' => $generatedColumn,
+			'original_line' => $originalLine,
+			'original_column' => $originalColumn,
+			'source_file' => $fileInfo['currentUri']
+		);
+
+		$this->sources[$fileInfo['currentUri']] = $fileInfo['filename'];
+	}
+
+	/**
+	 * Generates the JSON source map
+	 *
+	 * @return string
+	 * @see https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#
+	 */
+	protected function generateJson() {
+		$sourceMap = array();
+		$mappings = $this->generateMappings();
+
+		// File version (always the first entry in the object) and must be a positive integer.
+		$sourceMap['version'] = self::VERSION;
+
+		// An optional name of the generated code that this source map is associated with.
+		$file = $this->getOption( 'sourceMapFilename' );
+		if ( $file ) {
+			$sourceMap['file'] = $file;
+		}
+
+		// An optional source root, useful for relocating source files on a server or removing repeated values in the 'sources' entry.	This value is prepended to the individual entries in the 'source' field.
+		$root = $this->getOption( 'sourceRoot' );
+		if ( $root ) {
+			$sourceMap['sourceRoot'] = $root;
+		}
+
+		// A list of original sources used by the 'mappings' entry.
+		$sourceMap['sources'] = array();
+		foreach ( $this->sources as $source_uri => $source_filename ) {
+			$sourceMap['sources'][] = $this->normalizeFilename( $source_filename );
+		}
+
+		// A list of symbol names used by the 'mappings' entry.
+		$sourceMap['names'] = array();
+
+		// A string with the encoded mapping data.
+		$sourceMap['mappings'] = $mappings;
+
+		if ( $this->getOption( 'outputSourceFiles' ) ) {
+			// An optional list of source content, useful when the 'source' can't be hosted.
+			// The contents are listed in the same order as the sources above.
+			// 'null' may be used if some original sources should be retrieved by name.
+			$sourceMap['sourcesContent'] = $this->getSourcesContent();
+		}
+
+		// less.js compat fixes
+		if ( count( $sourceMap['sources'] ) && empty( $sourceMap['sourceRoot'] ) ) {
+			unset( $sourceMap['sourceRoot'] );
+		}
+
+		return json_encode( $sourceMap );
+	}
+
+	/**
+	 * Returns the sources contents
+	 *
+	 * @return array|null
+	 */
+	protected function getSourcesContent() {
+		if ( empty( $this->sources ) ) {
+			return;
+		}
+		$content = array();
+		foreach ( $this->sources as $sourceFile ) {
+			$content[] = file_get_contents( $sourceFile );
+		}
+		return $content;
+	}
+
+	/**
+	 * Generates the mappings string
+	 *
+	 * @return string
+	 */
+	public function generateMappings() {
+		if ( !count( $this->mappings ) ) {
+			return '';
+		}
+
+		$this->source_keys = array_flip( array_keys( $this->sources ) );
+
+		// group mappings by generated line number.
+		$groupedMap = $groupedMapEncoded = array();
+		foreach ( $this->mappings as $m ) {
+			$groupedMap[$m['generated_line']][] = $m;
+		}
+		ksort( $groupedMap );
+
+		$lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0;
+
+		foreach ( $groupedMap as $lineNumber => $line_map ) {
+			while ( ++$lastGeneratedLine < $lineNumber ) {
+				$groupedMapEncoded[] = ';';
+			}
+
+			$lineMapEncoded = array();
+			$lastGeneratedColumn = 0;
+
+			foreach ( $line_map as $m ) {
+				$mapEncoded = $this->encoder->encode( $m['generated_column'] - $lastGeneratedColumn );
+				$lastGeneratedColumn = $m['generated_column'];
+
+				// find the index
+				if ( $m['source_file'] ) {
+					$index = $this->findFileIndex( $m['source_file'] );
+					if ( $index !== false ) {
+						$mapEncoded .= $this->encoder->encode( $index - $lastOriginalIndex );
+						$lastOriginalIndex = $index;
+
+						// lines are stored 0-based in SourceMap spec version 3
+						$mapEncoded .= $this->encoder->encode( $m['original_line'] - 1 - $lastOriginalLine );
+						$lastOriginalLine = $m['original_line'] - 1;
+
+						$mapEncoded .= $this->encoder->encode( $m['original_column'] - $lastOriginalColumn );
+						$lastOriginalColumn = $m['original_column'];
+					}
+				}
+
+				$lineMapEncoded[] = $mapEncoded;
+			}
+
+			$groupedMapEncoded[] = implode( ',', $lineMapEncoded ) . ';';
+		}
+
+		return rtrim( implode( $groupedMapEncoded ), ';' );
+	}
+
+	/**
+	 * Finds the index for the filename
+	 *
+	 * @param string $filename
+	 * @return integer|false
+	 */
+	protected function findFileIndex( $filename ) {
+		return $this->source_keys[$filename];
+	}
+
+	/**
+	 * fix windows paths
+	 * @param string $path
+	 * @return string
+	 */
+	public function fixWindowsPath( $path, $addEndSlash = false ) {
+		$slash = ( $addEndSlash ) ? '/' : '';
+		if ( !empty( $path ) ) {
+			$path = str_replace( '\\', '/', $path );
+			$path = rtrim( $path, '/' ) . $slash;
+		}
+
+		return $path;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree.php b/vendor/wikimedia/less.php/lib/Less/Tree.php
new file mode 100755
index 0000000..7b48e9a
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree.php
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * Tree
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree {
+
+	public $cache_string;
+
+	public function toCSS() {
+		$output = new Less_Output();
+		$this->genCSS( $output );
+		return $output->toString();
+	}
+
+	/**
+	 * Generate CSS by adding it to the output object
+	 *
+	 * @param Less_Output $output The output
+	 * @return void
+	 */
+	public function genCSS( $output ) {
+	}
+
+	/**
+	 * @param Less_Tree_Ruleset[] $rules
+	 */
+	public static function outputRuleset( $output, $rules ) {
+		$ruleCnt = count( $rules );
+		Less_Environment::$tabLevel++;
+
+		// Compressed
+		if ( Less_Parser::$options['compress'] ) {
+			$output->add( '{' );
+			for ( $i = 0; $i < $ruleCnt; $i++ ) {
+				$rules[$i]->genCSS( $output );
+			}
+
+			$output->add( '}' );
+			Less_Environment::$tabLevel--;
+			return;
+		}
+
+		// Non-compressed
+		$tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 );
+		$tabRuleStr = $tabSetStr.Less_Parser::$options['indentation'];
+
+		$output->add( " {" );
+		for ( $i = 0; $i < $ruleCnt; $i++ ) {
+			$output->add( $tabRuleStr );
+			$rules[$i]->genCSS( $output );
+		}
+		Less_Environment::$tabLevel--;
+		$output->add( $tabSetStr.'}' );
+
+	}
+
+	public function accept( $visitor ) {
+	}
+
+	public static function ReferencedArray( $rules ) {
+		foreach ( $rules as $rule ) {
+			if ( method_exists( $rule, 'markReferenced' ) ) {
+				$rule->markReferenced();
+			}
+		}
+	}
+
+	/**
+	 * Requires php 5.3+
+	 */
+	public static function __set_state( $args ) {
+		$class = get_called_class();
+		$obj = new $class( null, null, null, null );
+		foreach ( $args as $key => $val ) {
+			$obj->$key = $val;
+		}
+		return $obj;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php b/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php
new file mode 100755
index 0000000..cd38c91
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Alpha.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Alpha
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Alpha extends Less_Tree {
+	public $value;
+	public $type = 'Alpha';
+
+	public function __construct( $val ) {
+		$this->value = $val;
+	}
+
+	// function accept( $visitor ){
+	//	$this->value = $visitor->visit( $this->value );
+	//}
+
+	public function compile( $env ) {
+		if ( is_object( $this->value ) ) {
+			$this->value = $this->value->compile( $env );
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( "alpha(opacity=" );
+
+		if ( is_string( $this->value ) ) {
+			$output->add( $this->value );
+		} else {
+			$this->value->genCSS( $output );
+		}
+
+		$output->add( ')' );
+	}
+
+	public function toCSS() {
+		return "alpha(opacity=" . ( is_string( $this->value ) ? $this->value : $this->value->toCSS() ) . ")";
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php b/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php
new file mode 100755
index 0000000..1dc9bab
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Anonymous.php
@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * Anonymous
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Anonymous extends Less_Tree {
+	public $value;
+	public $quote;
+	public $index;
+	public $mapLines;
+	public $currentFileInfo;
+	public $type = 'Anonymous';
+
+	/**
+	 * @param integer $index
+	 * @param boolean $mapLines
+	 */
+	public function __construct( $value, $index = null, $currentFileInfo = null, $mapLines = null ) {
+		$this->value = $value;
+		$this->index = $index;
+		$this->mapLines = $mapLines;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function compile() {
+		return new Less_Tree_Anonymous( $this->value, $this->index, $this->currentFileInfo, $this->mapLines );
+	}
+
+	public function compare( $x ) {
+		if ( !is_object( $x ) ) {
+			return -1;
+		}
+
+		$left = $this->toCSS();
+		$right = $x->toCSS();
+
+		if ( $left === $right ) {
+			return 0;
+		}
+
+		return $left < $right ? -1 : 1;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->value, $this->currentFileInfo, $this->index, $this->mapLines );
+	}
+
+	public function toCSS() {
+		return $this->value;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php b/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php
new file mode 100755
index 0000000..69c7a4e
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Assignment.php
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * Assignment
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Assignment extends Less_Tree {
+
+	public $key;
+	public $value;
+	public $type = 'Assignment';
+
+	public function __construct( $key, $val ) {
+		$this->key = $key;
+		$this->value = $val;
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitObj( $this->value );
+	}
+
+	public function compile( $env ) {
+		return new Less_Tree_Assignment( $this->key, $this->value->compile( $env ) );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->key . '=' );
+		$this->value->genCSS( $output );
+	}
+
+	public function toCss() {
+		return $this->key . '=' . $this->value->toCSS();
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php b/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php
new file mode 100755
index 0000000..c47abb9
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Attribute.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * Attribute
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Attribute extends Less_Tree {
+
+	public $key;
+	public $op;
+	public $value;
+	public $type = 'Attribute';
+
+	public function __construct( $key, $op, $value ) {
+		$this->key = $key;
+		$this->op = $op;
+		$this->value = $value;
+	}
+
+	public function compile( $env ) {
+		$key_obj = is_object( $this->key );
+		$val_obj = is_object( $this->value );
+
+		if ( !$key_obj && !$val_obj ) {
+			return $this;
+		}
+
+		return new Less_Tree_Attribute(
+			$key_obj ? $this->key->compile( $env ) : $this->key,
+			$this->op,
+			$val_obj ? $this->value->compile( $env ) : $this->value );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->toCSS() );
+	}
+
+	public function toCSS() {
+		$value = $this->key;
+
+		if ( $this->op ) {
+			$value .= $this->op;
+			$value .= ( is_object( $this->value ) ? $this->value->toCSS() : $this->value );
+		}
+
+		return '[' . $value . ']';
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Call.php b/vendor/wikimedia/less.php/lib/Less/Tree/Call.php
new file mode 100755
index 0000000..5341b74
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Call.php
@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Call
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Call extends Less_Tree {
+	public $value;
+
+	public $name;
+	public $args;
+	public $index;
+	public $currentFileInfo;
+	public $type = 'Call';
+
+	public function __construct( $name, $args, $index, $currentFileInfo = null ) {
+		$this->name = $name;
+		$this->args = $args;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function accept( $visitor ) {
+		$this->args = $visitor->visitArray( $this->args );
+	}
+
+	//
+	// When evaluating a function call,
+	// we either find the function in `tree.functions` [1],
+	// in which case we call it, passing the  evaluated arguments,
+	// or we simply print it out as it appeared originally [2].
+	//
+	// The *functions.js* file contains the built-in functions.
+	//
+	// The reason why we evaluate the arguments, is in the case where
+	// we try to pass a variable to a function, like: `saturate(@color)`.
+	// The function should receive the value, not the variable.
+	//
+	public function compile( $env = null ) {
+		$args = array();
+		foreach ( $this->args as $a ) {
+			$args[] = $a->compile( $env );
+		}
+
+		$nameLC = strtolower( $this->name );
+		switch ( $nameLC ) {
+			case '%':
+			$nameLC = '_percent';
+			break;
+
+			case 'get-unit':
+			$nameLC = 'getunit';
+			break;
+
+			case 'data-uri':
+			$nameLC = 'datauri';
+			break;
+
+			case 'svg-gradient':
+			$nameLC = 'svggradient';
+			break;
+		}
+
+		$result = null;
+		if ( $nameLC === 'default' ) {
+			$result = Less_Tree_DefaultFunc::compile();
+
+		} else {
+
+			if ( method_exists( 'Less_Functions', $nameLC ) ) { // 1.
+				try {
+
+					$func = new Less_Functions( $env, $this->currentFileInfo );
+					$result = call_user_func_array( array( $func,$nameLC ), $args );
+
+				} catch ( Exception $e ) {
+					throw new Less_Exception_Compiler( 'error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index );
+				}
+			} elseif ( isset( $env->functions[$nameLC] ) && is_callable( $env->functions[$nameLC] ) ) {
+				try {
+					$result = call_user_func_array( $env->functions[$nameLC], $args );
+				} catch ( Exception $e ) {
+					throw new Less_Exception_Compiler( 'error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index );
+				}
+			}
+		}
+
+		if ( $result !== null ) {
+			return $result;
+		}
+
+		return new Less_Tree_Call( $this->name, $args, $this->index, $this->currentFileInfo );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->name . '(', $this->currentFileInfo, $this->index );
+		$args_len = count( $this->args );
+		for ( $i = 0; $i < $args_len; $i++ ) {
+			$this->args[$i]->genCSS( $output );
+			if ( $i + 1 < $args_len ) {
+				$output->add( ', ' );
+			}
+		}
+
+		$output->add( ')' );
+	}
+
+	// public function toCSS(){
+	//    return $this->compile()->toCSS();
+	//}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Color.php b/vendor/wikimedia/less.php/lib/Less/Tree/Color.php
new file mode 100755
index 0000000..b0f79db
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Color.php
@@ -0,0 +1,230 @@
+<?php
+
+/**
+ * Color
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Color extends Less_Tree {
+	public $rgb;
+	public $alpha;
+	public $isTransparentKeyword;
+	public $type = 'Color';
+
+	public function __construct( $rgb, $a = 1, $isTransparentKeyword = null ) {
+		if ( $isTransparentKeyword ) {
+			$this->rgb = $rgb;
+			$this->alpha = $a;
+			$this->isTransparentKeyword = true;
+			return;
+		}
+
+		$this->rgb = array();
+		if ( is_array( $rgb ) ) {
+			$this->rgb = $rgb;
+		} else if ( strlen( $rgb ) == 6 ) {
+			foreach ( str_split( $rgb, 2 ) as $c ) {
+				$this->rgb[] = hexdec( $c );
+			}
+		} else {
+			foreach ( str_split( $rgb, 1 ) as $c ) {
+				$this->rgb[] = hexdec( $c.$c );
+			}
+		}
+		$this->alpha = is_numeric( $a ) ? $a : 1;
+	}
+
+	public function compile() {
+		return $this;
+	}
+
+	public function luma() {
+		$r = $this->rgb[0] / 255;
+		$g = $this->rgb[1] / 255;
+		$b = $this->rgb[2] / 255;
+
+		$r = ( $r <= 0.03928 ) ? $r / 12.92 : pow( ( ( $r + 0.055 ) / 1.055 ), 2.4 );
+		$g = ( $g <= 0.03928 ) ? $g / 12.92 : pow( ( ( $g + 0.055 ) / 1.055 ), 2.4 );
+		$b = ( $b <= 0.03928 ) ? $b / 12.92 : pow( ( ( $b + 0.055 ) / 1.055 ), 2.4 );
+
+		return 0.2126 * $r + 0.7152 * $g + 0.0722 * $b;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->toCSS() );
+	}
+
+	public function toCSS( $doNotCompress = false ) {
+		$compress = Less_Parser::$options['compress'] && !$doNotCompress;
+		$alpha = Less_Functions::fround( $this->alpha );
+
+		//
+		// If we have some transparency, the only way to represent it
+		// is via `rgba`. Otherwise, we use the hex representation,
+		// which has better compatibility with older browsers.
+		// Values are capped between `0` and `255`, rounded and zero-padded.
+		//
+		if ( $alpha < 1 ) {
+			if ( ( $alpha === 0 || $alpha === 0.0 ) && isset( $this->isTransparentKeyword ) && $this->isTransparentKeyword ) {
+				return 'transparent';
+			}
+
+			$values = array();
+			foreach ( $this->rgb as $c ) {
+				$values[] = Less_Functions::clamp( round( $c ), 255 );
+			}
+			$values[] = $alpha;
+
+			$glue = ( $compress ? ',' : ', ' );
+			return "rgba(" . implode( $glue, $values ) . ")";
+		} else {
+
+			$color = $this->toRGB();
+
+			if ( $compress ) {
+
+				// Convert color to short format
+				if ( $color[1] === $color[2] && $color[3] === $color[4] && $color[5] === $color[6] ) {
+					$color = '#'.$color[1] . $color[3] . $color[5];
+				}
+			}
+
+			return $color;
+		}
+	}
+
+	//
+	// Operations have to be done per-channel, if not,
+	// channels will spill onto each other. Once we have
+	// our result, in the form of an integer triplet,
+	// we create a new Color node to hold the result.
+	//
+
+	/**
+	 * @param string $op
+	 */
+	public function operate( $op, $other ) {
+		$rgb = array();
+		$alpha = $this->alpha * ( 1 - $other->alpha ) + $other->alpha;
+		for ( $c = 0; $c < 3; $c++ ) {
+			$rgb[$c] = Less_Functions::operate( $op, $this->rgb[$c], $other->rgb[$c] );
+		}
+		return new Less_Tree_Color( $rgb, $alpha );
+	}
+
+	public function toRGB() {
+		return $this->toHex( $this->rgb );
+	}
+
+	public function toHSL() {
+		$r = $this->rgb[0] / 255;
+		$g = $this->rgb[1] / 255;
+		$b = $this->rgb[2] / 255;
+		$a = $this->alpha;
+
+		$max = max( $r, $g, $b );
+		$min = min( $r, $g, $b );
+		$l = ( $max + $min ) / 2;
+		$d = $max - $min;
+
+		$h = $s = 0;
+		if ( $max !== $min ) {
+			$s = $l > 0.5 ? $d / ( 2 - $max - $min ) : $d / ( $max + $min );
+
+			switch ( $max ) {
+				case $r: $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 );
+break;
+				case $g: $h = ( $b - $r ) / $d + 2;
+break;
+				case $b: $h = ( $r - $g ) / $d + 4;
+break;
+			}
+			$h /= 6;
+		}
+		return array( 'h' => $h * 360, 's' => $s, 'l' => $l, 'a' => $a );
+	}
+
+	// Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
+	public function toHSV() {
+		$r = $this->rgb[0] / 255;
+		$g = $this->rgb[1] / 255;
+		$b = $this->rgb[2] / 255;
+		$a = $this->alpha;
+
+		$max = max( $r, $g, $b );
+		$min = min( $r, $g, $b );
+
+		$v = $max;
+
+		$d = $max - $min;
+		if ( $max === 0 ) {
+			$s = 0;
+		} else {
+			$s = $d / $max;
+		}
+
+		$h = 0;
+		if ( $max !== $min ) {
+			switch ( $max ) {
+				case $r: $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 );
+break;
+				case $g: $h = ( $b - $r ) / $d + 2;
+break;
+				case $b: $h = ( $r - $g ) / $d + 4;
+break;
+			}
+			$h /= 6;
+		}
+		return array( 'h' => $h * 360, 's' => $s, 'v' => $v, 'a' => $a );
+	}
+
+	public function toARGB() {
+		$argb = array_merge( (array)Less_Parser::round( $this->alpha * 255 ), $this->rgb );
+		return $this->toHex( $argb );
+	}
+
+	public function compare( $x ) {
+		if ( !property_exists( $x, 'rgb' ) ) {
+			return -1;
+		}
+
+		return ( $x->rgb[0] === $this->rgb[0] &&
+			$x->rgb[1] === $this->rgb[1] &&
+			$x->rgb[2] === $this->rgb[2] &&
+			$x->alpha === $this->alpha ) ? 0 : -1;
+	}
+
+	public function toHex( $v ) {
+		$ret = '#';
+		foreach ( $v as $c ) {
+			$c = Less_Functions::clamp( Less_Parser::round( $c ), 255 );
+			if ( $c < 16 ) {
+				$ret .= '0';
+			}
+			$ret .= dechex( $c );
+		}
+
+		return $ret;
+	}
+
+	/**
+	 * @param string $keyword
+	 */
+	public static function fromKeyword( $keyword ) {
+		$keyword = strtolower( $keyword );
+
+		if ( Less_Colors::hasOwnProperty( $keyword ) ) {
+			// detect named color
+			return new Less_Tree_Color( substr( Less_Colors::color( $keyword ), 1 ) );
+		}
+
+		if ( $keyword === 'transparent' ) {
+			return new Less_Tree_Color( array( 0, 0, 0 ), 0, true );
+		}
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php b/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php
new file mode 100755
index 0000000..c7e6c0f
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Comment.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Comment
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Comment extends Less_Tree {
+
+	public $value;
+	public $silent;
+	public $isReferenced;
+	public $currentFileInfo;
+	public $type = 'Comment';
+
+	public function __construct( $value, $silent, $index = null, $currentFileInfo = null ) {
+		$this->value = $value;
+		$this->silent = !!$silent;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		// if( $this->debugInfo ){
+			//$output->add( tree.debugInfo($env, $this), $this->currentFileInfo, $this->index);
+		//}
+		$output->add( trim( $this->value ) );// TODO shouldn't need to trim, we shouldn't grab the \n
+	}
+
+	public function toCSS() {
+		return Less_Parser::$options['compress'] ? '' : $this->value;
+	}
+
+	public function isSilent() {
+		$isReference = ( $this->currentFileInfo && isset( $this->currentFileInfo['reference'] ) && ( !isset( $this->isReferenced ) || !$this->isReferenced ) );
+		$isCompressed = Less_Parser::$options['compress'] && !preg_match( '/^\/\*!/', $this->value );
+		return $this->silent || $isReference || $isCompressed;
+	}
+
+	public function compile() {
+		return $this;
+	}
+
+	public function markReferenced() {
+		$this->isReferenced = true;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php b/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php
new file mode 100755
index 0000000..355de8c
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Condition.php
@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * Condition
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Condition extends Less_Tree {
+
+	public $op;
+	public $lvalue;
+	public $rvalue;
+	public $index;
+	public $negate;
+	public $type = 'Condition';
+
+	public function __construct( $op, $l, $r, $i = 0, $negate = false ) {
+		$this->op = trim( $op );
+		$this->lvalue = $l;
+		$this->rvalue = $r;
+		$this->index = $i;
+		$this->negate = $negate;
+	}
+
+	public function accept( $visitor ) {
+		$this->lvalue = $visitor->visitObj( $this->lvalue );
+		$this->rvalue = $visitor->visitObj( $this->rvalue );
+	}
+
+	public function compile( $env ) {
+		$a = $this->lvalue->compile( $env );
+		$b = $this->rvalue->compile( $env );
+
+		switch ( $this->op ) {
+			case 'and':
+				$result = $a && $b;
+			break;
+
+			case 'or':
+				$result = $a || $b;
+			break;
+
+			default:
+				if ( Less_Parser::is_method( $a, 'compare' ) ) {
+					$result = $a->compare( $b );
+				} elseif ( Less_Parser::is_method( $b, 'compare' ) ) {
+					$result = $b->compare( $a );
+				} else {
+					throw new Less_Exception_Compiler( 'Unable to perform comparison', null, $this->index );
+				}
+
+				switch ( $result ) {
+					case -1:
+					$result = $this->op === '<' || $this->op === '=<' || $this->op === '<=';
+					break;
+
+					case  0:
+					$result = $this->op === '=' || $this->op === '>=' || $this->op === '=<' || $this->op === '<=';
+					break;
+
+					case  1:
+					$result = $this->op === '>' || $this->op === '>=';
+					break;
+				}
+			break;
+		}
+
+		return $this->negate ? !$result : $result;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php b/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php
new file mode 100755
index 0000000..41b78b6
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/DefaultFunc.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * DefaultFunc
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_DefaultFunc {
+
+	static $error_;
+	static $value_;
+
+	public static function compile() {
+		if ( self::$error_ ) {
+			throw new Exception( self::$error_ );
+		}
+		if ( self::$value_ !== null ) {
+			return self::$value_ ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' );
+		}
+	}
+
+	public static function value( $v ) {
+		self::$value_ = $v;
+	}
+
+	public static function error( $e ) {
+		self::$error_ = $e;
+	}
+
+	public static function reset() {
+		self::$value_ = self::$error_ = null;
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php b/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php
new file mode 100755
index 0000000..ea5c7f4
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/DetachedRuleset.php
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * DetachedRuleset
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_DetachedRuleset extends Less_Tree {
+
+	public $ruleset;
+	public $frames;
+	public $type = 'DetachedRuleset';
+
+	public function __construct( $ruleset, $frames = null ) {
+		$this->ruleset = $ruleset;
+		$this->frames = $frames;
+	}
+
+	public function accept( $visitor ) {
+		$this->ruleset = $visitor->visitObj( $this->ruleset );
+	}
+
+	public function compile( $env ) {
+		if ( $this->frames ) {
+			$frames = $this->frames;
+		} else {
+			$frames = $env->frames;
+		}
+		return new Less_Tree_DetachedRuleset( $this->ruleset, $frames );
+	}
+
+	public function callEval( $env ) {
+		if ( $this->frames ) {
+			return $this->ruleset->compile( $env->copyEvalEnv( array_merge( $this->frames, $env->frames ) ) );
+		}
+		return $this->ruleset->compile( $env );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php b/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php
new file mode 100755
index 0000000..70c71b4
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Dimension.php
@@ -0,0 +1,198 @@
+<?php
+
+/**
+ * Dimension
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Dimension extends Less_Tree {
+
+	public $value;
+	public $unit;
+	public $type = 'Dimension';
+
+	public function __construct( $value, $unit = null ) {
+		$this->value = floatval( $value );
+
+		if ( $unit && ( $unit instanceof Less_Tree_Unit ) ) {
+			$this->unit = $unit;
+		} elseif ( $unit ) {
+			$this->unit = new Less_Tree_Unit( array( $unit ) );
+		} else {
+			$this->unit = new Less_Tree_Unit();
+		}
+	}
+
+	public function accept( $visitor ) {
+		$this->unit = $visitor->visitObj( $this->unit );
+	}
+
+	public function compile() {
+		return $this;
+	}
+
+	public function toColor() {
+		return new Less_Tree_Color( array( $this->value, $this->value, $this->value ) );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( Less_Parser::$options['strictUnits'] && !$this->unit->isSingular() ) {
+			throw new Less_Exception_Compiler( "Multiple units in dimension. Correct the units or use the unit function. Bad unit: ".$this->unit->toString() );
+		}
+
+		$value = Less_Functions::fround( $this->value );
+		$strValue = (string)$value;
+
+		if ( $value !== 0 && $value < 0.000001 && $value > -0.000001 ) {
+			// would be output 1e-6 etc.
+			$strValue = number_format( $strValue, 10 );
+			$strValue = preg_replace( '/\.?0+$/', '', $strValue );
+		}
+
+		if ( Less_Parser::$options['compress'] ) {
+			// Zero values doesn't need a unit
+			if ( $value === 0 && $this->unit->isLength() ) {
+				$output->add( $strValue );
+				return $strValue;
+			}
+
+			// Float values doesn't need a leading zero
+			if ( $value > 0 && $value < 1 && $strValue[0] === '0' ) {
+				$strValue = substr( $strValue, 1 );
+			}
+		}
+
+		$output->add( $strValue );
+		$this->unit->genCSS( $output );
+	}
+
+	public function __toString() {
+		return $this->toCSS();
+	}
+
+	// In an operation between two Dimensions,
+	// we default to the first Dimension's unit,
+	// so `1px + 2em` will yield `3px`.
+
+	/**
+	 * @param string $op
+	 */
+	public function operate( $op, $other ) {
+		$value = Less_Functions::operate( $op, $this->value, $other->value );
+		$unit = clone $this->unit;
+
+		if ( $op === '+' || $op === '-' ) {
+
+			if ( !$unit->numerator && !$unit->denominator ) {
+				$unit->numerator = $other->unit->numerator;
+				$unit->denominator = $other->unit->denominator;
+			} elseif ( !$other->unit->numerator && !$other->unit->denominator ) {
+				// do nothing
+			} else {
+				$other = $other->convertTo( $this->unit->usedUnits() );
+
+				if ( Less_Parser::$options['strictUnits'] && $other->unit->toString() !== $unit->toCSS() ) {
+					throw new Less_Exception_Compiler( "Incompatible units. Change the units or use the unit function. Bad units: '" . $unit->toString() . "' and " . $other->unit->toString() . "'." );
+				}
+
+				$value = Less_Functions::operate( $op, $this->value, $other->value );
+			}
+		} elseif ( $op === '*' ) {
+			$unit->numerator = array_merge( $unit->numerator, $other->unit->numerator );
+			$unit->denominator = array_merge( $unit->denominator, $other->unit->denominator );
+			sort( $unit->numerator );
+			sort( $unit->denominator );
+			$unit->cancel();
+		} elseif ( $op === '/' ) {
+			$unit->numerator = array_merge( $unit->numerator, $other->unit->denominator );
+			$unit->denominator = array_merge( $unit->denominator, $other->unit->numerator );
+			sort( $unit->numerator );
+			sort( $unit->denominator );
+			$unit->cancel();
+		}
+		return new Less_Tree_Dimension( $value, $unit );
+	}
+
+	public function compare( $other ) {
+		if ( $other instanceof Less_Tree_Dimension ) {
+
+			if ( $this->unit->isEmpty() || $other->unit->isEmpty() ) {
+				$a = $this;
+				$b = $other;
+			} else {
+				$a = $this->unify();
+				$b = $other->unify();
+				if ( $a->unit->compare( $b->unit ) !== 0 ) {
+					return -1;
+				}
+			}
+			$aValue = $a->value;
+			$bValue = $b->value;
+
+			if ( $bValue > $aValue ) {
+				return -1;
+			} elseif ( $bValue < $aValue ) {
+				return 1;
+			} else {
+				return 0;
+			}
+		} else {
+			return -1;
+		}
+	}
+
+	public function unify() {
+		return $this->convertTo( array( 'length' => 'px', 'duration' => 's', 'angle' => 'rad' ) );
+	}
+
+	public function convertTo( $conversions ) {
+		$value = $this->value;
+		$unit = clone $this->unit;
+
+		if ( is_string( $conversions ) ) {
+			$derivedConversions = array();
+			foreach ( Less_Tree_UnitConversions::$groups as $i ) {
+				if ( isset( Less_Tree_UnitConversions::${$i}[$conversions] ) ) {
+					$derivedConversions = array( $i => $conversions );
+				}
+			}
+			$conversions = $derivedConversions;
+		}
+
+		foreach ( $conversions as $groupName => $targetUnit ) {
+			$group = Less_Tree_UnitConversions::${$groupName};
+
+			// numerator
+			foreach ( $unit->numerator as $i => $atomicUnit ) {
+				$atomicUnit = $unit->numerator[$i];
+				if ( !isset( $group[$atomicUnit] ) ) {
+					continue;
+				}
+
+				$value = $value * ( $group[$atomicUnit] / $group[$targetUnit] );
+
+				$unit->numerator[$i] = $targetUnit;
+			}
+
+			// denominator
+			foreach ( $unit->denominator as $i => $atomicUnit ) {
+				$atomicUnit = $unit->denominator[$i];
+				if ( !isset( $group[$atomicUnit] ) ) {
+					continue;
+				}
+
+				$value = $value / ( $group[$atomicUnit] / $group[$targetUnit] );
+
+				$unit->denominator[$i] = $targetUnit;
+			}
+		}
+
+		$unit->cancel();
+
+		return new Less_Tree_Dimension( $value, $unit );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php b/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php
new file mode 100755
index 0000000..6c6a94f
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Directive.php
@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * Directive
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Directive extends Less_Tree {
+
+	public $name;
+	public $value;
+	public $rules;
+	public $index;
+	public $isReferenced;
+	public $currentFileInfo;
+	public $debugInfo;
+	public $type = 'Directive';
+
+	public function __construct( $name, $value = null, $rules = null, $index = null, $currentFileInfo = null, $debugInfo = null ) {
+		$this->name = $name;
+		$this->value = $value;
+		if ( $rules ) {
+			$this->rules = $rules;
+			$this->rules->allowImports = true;
+		}
+
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+		$this->debugInfo = $debugInfo;
+	}
+
+	public function accept( $visitor ) {
+		if ( $this->rules ) {
+			$this->rules = $visitor->visitObj( $this->rules );
+		}
+		if ( $this->value ) {
+			$this->value = $visitor->visitObj( $this->value );
+		}
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$value = $this->value;
+		$rules = $this->rules;
+		$output->add( $this->name, $this->currentFileInfo, $this->index );
+		if ( $this->value ) {
+			$output->add( ' ' );
+			$this->value->genCSS( $output );
+		}
+		if ( $this->rules ) {
+			Less_Tree::outputRuleset( $output, array( $this->rules ) );
+		} else {
+			$output->add( ';' );
+		}
+	}
+
+	public function compile( $env ) {
+		$value = $this->value;
+		$rules = $this->rules;
+		if ( $value ) {
+			$value = $value->compile( $env );
+		}
+
+		if ( $rules ) {
+			$rules = $rules->compile( $env );
+			$rules->root = true;
+		}
+
+		return new Less_Tree_Directive( $this->name, $value, $rules, $this->index, $this->currentFileInfo, $this->debugInfo );
+	}
+
+	public function variable( $name ) {
+		if ( $this->rules ) {
+			return $this->rules->variable( $name );
+		}
+	}
+
+	public function find( $selector ) {
+		if ( $this->rules ) {
+			return $this->rules->find( $selector, $this );
+		}
+	}
+
+	// rulesets: function () { if (this.rules) return tree.Ruleset.prototype.rulesets.apply(this.rules); },
+
+	public function markReferenced() {
+		$this->isReferenced = true;
+		if ( $this->rules ) {
+			Less_Tree::ReferencedArray( $this->rules->rules );
+		}
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Element.php b/vendor/wikimedia/less.php/lib/Less/Tree/Element.php
new file mode 100755
index 0000000..5e25bc0
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Element.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Element
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Element extends Less_Tree {
+
+	public $combinator = '';
+	public $value = '';
+	public $index;
+	public $currentFileInfo;
+	public $type = 'Element';
+
+	public $value_is_object = false;
+
+	public function __construct( $combinator, $value, $index = null, $currentFileInfo = null ) {
+		$this->value = $value;
+		$this->value_is_object = is_object( $value );
+
+		if ( $combinator ) {
+			$this->combinator = $combinator;
+		}
+
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function accept( $visitor ) {
+		if ( $this->value_is_object ) { // object or string
+			$this->value = $visitor->visitObj( $this->value );
+		}
+	}
+
+	public function compile( $env ) {
+		if ( Less_Environment::$mixin_stack ) {
+			return new Less_Tree_Element( $this->combinator, ( $this->value_is_object ? $this->value->compile( $env ) : $this->value ), $this->index, $this->currentFileInfo );
+		}
+
+		if ( $this->value_is_object ) {
+			$this->value = $this->value->compile( $env );
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
+	}
+
+	public function toCSS() {
+		if ( $this->value_is_object ) {
+			$value = $this->value->toCSS();
+		} else {
+			$value = $this->value;
+		}
+
+		if ( $value === '' && $this->combinator && $this->combinator === '&' ) {
+			return '';
+		}
+
+		return Less_Environment::$_outputMap[$this->combinator] . $value;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php b/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php
new file mode 100755
index 0000000..cf06315
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * Expression
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Expression extends Less_Tree {
+
+	public $value = array();
+	public $parens = false;
+	public $parensInOp = false;
+	public $type = 'Expression';
+
+	public function __construct( $value, $parens = null ) {
+		$this->value = $value;
+		$this->parens = $parens;
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitArray( $this->value );
+	}
+
+	public function compile( $env ) {
+		$doubleParen = false;
+
+		if ( $this->parens && !$this->parensInOp ) {
+			Less_Environment::$parensStack++;
+		}
+
+		$returnValue = null;
+		if ( $this->value ) {
+
+			$count = count( $this->value );
+
+			if ( $count > 1 ) {
+
+				$ret = array();
+				foreach ( $this->value as $e ) {
+					$ret[] = $e->compile( $env );
+				}
+				$returnValue = new Less_Tree_Expression( $ret );
+
+			} else {
+
+				if ( ( $this->value[0] instanceof Less_Tree_Expression ) && $this->value[0]->parens && !$this->value[0]->parensInOp ) {
+					$doubleParen = true;
+				}
+
+				$returnValue = $this->value[0]->compile( $env );
+			}
+
+		} else {
+			$returnValue = $this;
+		}
+
+		if ( $this->parens ) {
+			if ( !$this->parensInOp ) {
+				Less_Environment::$parensStack--;
+
+			} elseif ( !Less_Environment::isMathOn() && !$doubleParen ) {
+				$returnValue = new Less_Tree_Paren( $returnValue );
+
+			}
+		}
+		return $returnValue;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$val_len = count( $this->value );
+		for ( $i = 0; $i < $val_len; $i++ ) {
+			$this->value[$i]->genCSS( $output );
+			if ( $i + 1 < $val_len ) {
+				$output->add( ' ' );
+			}
+		}
+	}
+
+	public function throwAwayComments() {
+		if ( is_array( $this->value ) ) {
+			$new_value = array();
+			foreach ( $this->value as $v ) {
+				if ( $v instanceof Less_Tree_Comment ) {
+					continue;
+				}
+				$new_value[] = $v;
+			}
+			$this->value = $new_value;
+		}
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php
new file mode 100755
index 0000000..4dd3665
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Extend.php
@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * Extend
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Extend extends Less_Tree {
+
+	public $selector;
+	public $option;
+	public $index;
+	public $selfSelectors = array();
+	public $allowBefore;
+	public $allowAfter;
+	public $firstExtendOnThisSelectorPath;
+	public $type = 'Extend';
+	public $ruleset;
+
+	public $object_id;
+	public $parent_ids = array();
+
+	/**
+	 * @param integer $index
+	 */
+	public function __construct( $selector, $option, $index ) {
+		static $i = 0;
+		$this->selector = $selector;
+		$this->option = $option;
+		$this->index = $index;
+
+		switch ( $option ) {
+			case "all":
+				$this->allowBefore = true;
+				$this->allowAfter = true;
+			break;
+			default:
+				$this->allowBefore = false;
+				$this->allowAfter = false;
+			break;
+		}
+
+		// This must use a string (instead of int) so that array_merge()
+		// preserves keys on arrays that use IDs in their keys.
+		$this->object_id = 'id_' . $i++;
+
+		$this->parent_ids = array(
+			$this->object_id => true
+		);
+	}
+
+	public function accept( $visitor ) {
+		$this->selector = $visitor->visitObj( $this->selector );
+	}
+
+	public function compile( $env ) {
+		Less_Parser::$has_extends = true;
+		$this->selector = $this->selector->compile( $env );
+		return $this;
+		// return new Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index);
+	}
+
+	public function findSelfSelectors( $selectors ) {
+		$selfElements = array();
+
+		for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) {
+			$selectorElements = $selectors[$i]->elements;
+			// duplicate the logic in genCSS function inside the selector node.
+			// future TODO - move both logics into the selector joiner visitor
+			if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) {
+				$selectorElements[0]->combinator = ' ';
+			}
+			$selfElements = array_merge( $selfElements, $selectors[$i]->elements );
+		}
+
+		$this->selfSelectors = array( new Less_Tree_Selector( $selfElements ) );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Import.php b/vendor/wikimedia/less.php/lib/Less/Tree/Import.php
new file mode 100755
index 0000000..ffdac64
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Import.php
@@ -0,0 +1,291 @@
+<?php
+
+/**
+ * CSS @import node
+ *
+ * The general strategy here is that we don't want to wait
+ * for the parsing to be completed, before we start importing
+ * the file. That's because in the context of a browser,
+ * most of the time will be spent waiting for the server to respond.
+ *
+ * On creation, we push the import path to our import queue, though
+ * `import,push`, we also pass it a callback, which it'll call once
+ * the file has been fetched, and parsed.
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Import extends Less_Tree {
+
+	public $options;
+	public $index;
+	public $path;
+	public $features;
+	public $currentFileInfo;
+	public $css;
+	public $skip;
+	public $root;
+	public $type = 'Import';
+
+	public function __construct( $path, $features, $options, $index, $currentFileInfo = null ) {
+		$this->options = $options;
+		$this->index = $index;
+		$this->path = $path;
+		$this->features = $features;
+		$this->currentFileInfo = $currentFileInfo;
+
+		if ( is_array( $options ) ) {
+			$this->options += array( 'inline' => false );
+
+			if ( isset( $this->options['less'] ) || $this->options['inline'] ) {
+				$this->css = !isset( $this->options['less'] ) || !$this->options['less'] || $this->options['inline'];
+			} else {
+				$pathValue = $this->getPath();
+				if ( $pathValue && preg_match( '/css([\?;].*)?$/', $pathValue ) ) {
+					$this->css = true;
+				}
+			}
+		}
+	}
+
+//
+// The actual import node doesn't return anything, when converted to CSS.
+// The reason is that it's used at the evaluation stage, so that the rules
+// it imports can be treated like any other rules.
+//
+// In `eval`, we make sure all Import nodes get evaluated, recursively, so
+// we end up with a flat structure, which can easily be imported in the parent
+// ruleset.
+//
+
+	public function accept( $visitor ) {
+		if ( $this->features ) {
+			$this->features = $visitor->visitObj( $this->features );
+		}
+		$this->path = $visitor->visitObj( $this->path );
+
+		if ( !$this->options['inline'] && $this->root ) {
+			$this->root = $visitor->visit( $this->root );
+		}
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( $this->css ) {
+
+			$output->add( '@import ', $this->currentFileInfo, $this->index );
+
+			$this->path->genCSS( $output );
+			if ( $this->features ) {
+				$output->add( ' ' );
+				$this->features->genCSS( $output );
+			}
+			$output->add( ';' );
+		}
+	}
+
+	public function toCSS() {
+		$features = $this->features ? ' ' . $this->features->toCSS() : '';
+
+		if ( $this->css ) {
+			return "@import " . $this->path->toCSS() . $features . ";\n";
+		} else {
+			return "";
+		}
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getPath() {
+		if ( $this->path instanceof Less_Tree_Quoted ) {
+			$path = $this->path->value;
+			$path = ( isset( $this->css ) || preg_match( '/(\.[a-z]*$)|([\?;].*)$/', $path ) ) ? $path : $path . '.less';
+		} else if ( $this->path instanceof Less_Tree_URL ) {
+			$path = $this->path->value->value;
+		} else {
+			return null;
+		}
+
+		// remove query string and fragment
+		return preg_replace( '/[\?#][^\?]*$/', '', $path );
+	}
+
+	public function compileForImport( $env ) {
+		return new Less_Tree_Import( $this->path->compile( $env ), $this->features, $this->options, $this->index, $this->currentFileInfo );
+	}
+
+	public function compilePath( $env ) {
+		$path = $this->path->compile( $env );
+		$rootpath = '';
+		if ( $this->currentFileInfo && $this->currentFileInfo['rootpath'] ) {
+			$rootpath = $this->currentFileInfo['rootpath'];
+		}
+
+		if ( !( $path instanceof Less_Tree_URL ) ) {
+			if ( $rootpath ) {
+				$pathValue = $path->value;
+				// Add the base path if the import is relative
+				if ( $pathValue && Less_Environment::isPathRelative( $pathValue ) ) {
+					$path->value = $this->currentFileInfo['uri_root'].$pathValue;
+				}
+			}
+			$path->value = Less_Environment::normalizePath( $path->value );
+		}
+
+		return $path;
+	}
+
+	public function compile( $env ) {
+		$evald = $this->compileForImport( $env );
+
+		// get path & uri
+		$path_and_uri = null;
+		if ( is_callable( Less_Parser::$options['import_callback'] ) ) {
+			$path_and_uri = call_user_func( Less_Parser::$options['import_callback'], $evald );
+		}
+
+		if ( !$path_and_uri ) {
+			$path_and_uri = $evald->PathAndUri();
+		}
+
+		if ( $path_and_uri ) {
+			list( $full_path, $uri ) = $path_and_uri;
+		} else {
+			$full_path = $uri = $evald->getPath();
+		}
+
+		// import once
+		if ( $evald->skip( $full_path, $env ) ) {
+			return array();
+		}
+
+		if ( $this->options['inline'] ) {
+			// todo needs to reference css file not import
+			//$contents = new Less_Tree_Anonymous($this->root, 0, array('filename'=>$this->importedFilename), true );
+
+			Less_Parser::AddParsedFile( $full_path );
+			$contents = new Less_Tree_Anonymous( file_get_contents( $full_path ), 0, array(), true );
+
+			if ( $this->features ) {
+				return new Less_Tree_Media( array( $contents ), $this->features->value );
+			}
+
+			return array( $contents );
+		}
+
+		// optional (need to be before "CSS" to support optional CSS imports. CSS should be checked only if empty($this->currentFileInfo))
+		if ( isset( $this->options['optional'] ) && $this->options['optional'] && !file_exists( $full_path ) && ( !$evald->css || !empty( $this->currentFileInfo ) ) ) {
+			return array();
+		}
+
+		// css ?
+		if ( $evald->css ) {
+			$features = ( $evald->features ? $evald->features->compile( $env ) : null );
+			return new Less_Tree_Import( $this->compilePath( $env ), $features, $this->options, $this->index );
+		}
+
+		return $this->ParseImport( $full_path, $uri, $env );
+	}
+
+	/**
+	 * Using the import directories, get the full absolute path and uri of the import
+	 *
+	 * @param Less_Tree_Import $evald
+	 */
+	public function PathAndUri() {
+		$evald_path = $this->getPath();
+
+		if ( $evald_path ) {
+
+			$import_dirs = array();
+
+			if ( Less_Environment::isPathRelative( $evald_path ) ) {
+				// if the path is relative, the file should be in the current directory
+				if ( $this->currentFileInfo ) {
+					$import_dirs[ $this->currentFileInfo['currentDirectory'] ] = $this->currentFileInfo['uri_root'];
+				}
+
+			} else {
+				// otherwise, the file should be relative to the server root
+				if ( $this->currentFileInfo ) {
+					$import_dirs[ $this->currentFileInfo['entryPath'] ] = $this->currentFileInfo['entryUri'];
+				}
+				// if the user supplied entryPath isn't the actual root
+				$import_dirs[ $_SERVER['DOCUMENT_ROOT'] ] = '';
+
+			}
+
+			// always look in user supplied import directories
+			$import_dirs = array_merge( $import_dirs, Less_Parser::$options['import_dirs'] );
+
+			foreach ( $import_dirs as $rootpath => $rooturi ) {
+				if ( is_callable( $rooturi ) ) {
+					list( $path, $uri ) = call_user_func( $rooturi, $evald_path );
+					if ( is_string( $path ) ) {
+						$full_path = $path;
+						return array( $full_path, $uri );
+					}
+				} elseif ( !empty( $rootpath ) ) {
+
+					$path = rtrim( $rootpath, '/\\' ).'/'.ltrim( $evald_path, '/\\' );
+
+					if ( file_exists( $path ) ) {
+						$full_path = Less_Environment::normalizePath( $path );
+						$uri = Less_Environment::normalizePath( dirname( $rooturi.$evald_path ) );
+						return array( $full_path, $uri );
+					} elseif ( file_exists( $path.'.less' ) ) {
+						$full_path = Less_Environment::normalizePath( $path.'.less' );
+						$uri = Less_Environment::normalizePath( dirname( $rooturi.$evald_path.'.less' ) );
+						return array( $full_path, $uri );
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Parse the import url and return the rules
+	 *
+	 * @return Less_Tree_Media|array
+	 */
+	public function ParseImport( $full_path, $uri, $env ) {
+		$import_env = clone $env;
+		if ( ( isset( $this->options['reference'] ) && $this->options['reference'] ) || isset( $this->currentFileInfo['reference'] ) ) {
+			$import_env->currentFileInfo['reference'] = true;
+		}
+
+		if ( ( isset( $this->options['multiple'] ) && $this->options['multiple'] ) ) {
+			$import_env->importMultiple = true;
+		}
+
+		$parser = new Less_Parser( $import_env );
+		$root = $parser->parseFile( $full_path, $uri, true );
+
+		$ruleset = new Less_Tree_Ruleset( array(), $root->rules );
+		$ruleset->evalImports( $import_env );
+
+		return $this->features ? new Less_Tree_Media( $ruleset->rules, $this->features->value ) : $ruleset->rules;
+	}
+
+	/**
+	 * Should the import be skipped?
+	 *
+	 * @return boolean|null
+	 */
+	private function Skip( $path, $env ) {
+		$path = Less_Parser::AbsPath( $path, true );
+
+		if ( $path && Less_Parser::FileParsed( $path ) ) {
+
+			if ( isset( $this->currentFileInfo['reference'] ) ) {
+				return true;
+			}
+
+			return !isset( $this->options['multiple'] ) && !$env->importMultiple;
+		}
+
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php b/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php
new file mode 100755
index 0000000..179781a
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Javascript.php
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * Javascript
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Javascript extends Less_Tree {
+
+	public $type = 'Javascript';
+	public $escaped;
+	public $expression;
+	public $index;
+
+	/**
+	 * @param boolean $index
+	 * @param boolean $escaped
+	 */
+	public function __construct( $string, $index, $escaped ) {
+		$this->escaped = $escaped;
+		$this->expression = $string;
+		$this->index = $index;
+	}
+
+	public function compile() {
+		return new Less_Tree_Anonymous( '/* Sorry, can not do JavaScript evaluation in PHP... :( */' );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php b/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php
new file mode 100755
index 0000000..ed217cf
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Keyword.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Keyword
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Keyword extends Less_Tree {
+
+	public $value;
+	public $type = 'Keyword';
+
+	/**
+	 * @param string $value
+	 */
+	public function __construct( $value ) {
+		$this->value = $value;
+	}
+
+	public function compile() {
+		return $this;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( $this->value === '%' ) {
+			throw new Less_Exception_Compiler( "Invalid % without number" );
+		}
+
+		$output->add( $this->value );
+	}
+
+	public function compare( $other ) {
+		if ( $other instanceof Less_Tree_Keyword ) {
+			return $other->value === $this->value ? 0 : 1;
+		} else {
+			return -1;
+		}
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Media.php b/vendor/wikimedia/less.php/lib/Less/Tree/Media.php
new file mode 100755
index 0000000..ba25a67
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Media.php
@@ -0,0 +1,173 @@
+<?php
+
+/**
+ * Media
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Media extends Less_Tree {
+
+	public $features;
+	public $rules;
+	public $index;
+	public $currentFileInfo;
+	public $isReferenced;
+	public $type = 'Media';
+
+	public function __construct( $value = array(), $features = array(), $index = null, $currentFileInfo = null ) {
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+
+		$selectors = $this->emptySelectors();
+
+		$this->features = new Less_Tree_Value( $features );
+
+		$this->rules = array( new Less_Tree_Ruleset( $selectors, $value ) );
+		$this->rules[0]->allowImports = true;
+	}
+
+	public function accept( $visitor ) {
+		$this->features = $visitor->visitObj( $this->features );
+		$this->rules = $visitor->visitArray( $this->rules );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( '@media ', $this->currentFileInfo, $this->index );
+		$this->features->genCSS( $output );
+		Less_Tree::outputRuleset( $output, $this->rules );
+
+	}
+
+	public function compile( $env ) {
+		$media = new Less_Tree_Media( array(), array(), $this->index, $this->currentFileInfo );
+
+		$strictMathBypass = false;
+		if ( Less_Parser::$options['strictMath'] === false ) {
+			$strictMathBypass = true;
+			Less_Parser::$options['strictMath'] = true;
+		}
+
+		$media->features = $this->features->compile( $env );
+
+		if ( $strictMathBypass ) {
+			Less_Parser::$options['strictMath'] = false;
+		}
+
+		$env->mediaPath[] = $media;
+		$env->mediaBlocks[] = $media;
+
+		array_unshift( $env->frames, $this->rules[0] );
+		$media->rules = array( $this->rules[0]->compile( $env ) );
+		array_shift( $env->frames );
+
+		array_pop( $env->mediaPath );
+
+		return !$env->mediaPath ? $media->compileTop( $env ) : $media->compileNested( $env );
+	}
+
+	public function variable( $name ) {
+		return $this->rules[0]->variable( $name );
+	}
+
+	public function find( $selector ) {
+		return $this->rules[0]->find( $selector, $this );
+	}
+
+	public function emptySelectors() {
+		$el = new Less_Tree_Element( '', '&', $this->index, $this->currentFileInfo );
+		$sels = array( new Less_Tree_Selector( array( $el ), array(), null, $this->index, $this->currentFileInfo ) );
+		$sels[0]->mediaEmpty = true;
+		return $sels;
+	}
+
+	public function markReferenced() {
+		$this->rules[0]->markReferenced();
+		$this->isReferenced = true;
+		Less_Tree::ReferencedArray( $this->rules[0]->rules );
+	}
+
+	// evaltop
+	public function compileTop( $env ) {
+		$result = $this;
+
+		if ( count( $env->mediaBlocks ) > 1 ) {
+			$selectors = $this->emptySelectors();
+			$result = new Less_Tree_Ruleset( $selectors, $env->mediaBlocks );
+			$result->multiMedia = true;
+		}
+
+		$env->mediaBlocks = array();
+		$env->mediaPath = array();
+
+		return $result;
+	}
+
+	public function compileNested( $env ) {
+		$path = array_merge( $env->mediaPath, array( $this ) );
+
+		// Extract the media-query conditions separated with `,` (OR).
+		foreach ( $path as $key => $p ) {
+			$value = $p->features instanceof Less_Tree_Value ? $p->features->value : $p->features;
+			$path[$key] = is_array( $value ) ? $value : array( $value );
+		}
+
+		// Trace all permutations to generate the resulting media-query.
+		//
+		// (a, b and c) with nested (d, e) ->
+		//	a and d
+		//	a and e
+		//	b and c and d
+		//	b and c and e
+
+		$permuted = $this->permute( $path );
+		$expressions = array();
+		foreach ( $permuted as $path ) {
+
+			for ( $i = 0, $len = count( $path ); $i < $len; $i++ ) {
+				$path[$i] = Less_Parser::is_method( $path[$i], 'toCSS' ) ? $path[$i] : new Less_Tree_Anonymous( $path[$i] );
+			}
+
+			for ( $i = count( $path ) - 1; $i > 0; $i-- ) {
+				array_splice( $path, $i, 0, array( new Less_Tree_Anonymous( 'and' ) ) );
+			}
+
+			$expressions[] = new Less_Tree_Expression( $path );
+		}
+		$this->features = new Less_Tree_Value( $expressions );
+
+		// Fake a tree-node that doesn't output anything.
+		return new Less_Tree_Ruleset( array(), array() );
+	}
+
+	public function permute( $arr ) {
+		if ( !$arr )
+			return array();
+
+		if ( count( $arr ) == 1 )
+			return $arr[0];
+
+		$result = array();
+		$rest = $this->permute( array_slice( $arr, 1 ) );
+		foreach ( $rest as $r ) {
+			foreach ( $arr[0] as $a ) {
+				$result[] = array_merge(
+					is_array( $a ) ? $a : array( $a ),
+					is_array( $r ) ? $r : array( $r )
+				);
+			}
+		}
+
+		return $result;
+	}
+
+	public function bubbleSelectors( $selectors ) {
+		if ( !$selectors ) return;
+
+		$this->rules = array( new Less_Tree_Ruleset( $selectors, array( $this->rules[0] ) ) );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php
new file mode 100755
index 0000000..8e1eece
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Call.php
@@ -0,0 +1,193 @@
+<?php
+
+class Less_Tree_Mixin_Call extends Less_Tree {
+
+	public $selector;
+	public $arguments;
+	public $index;
+	public $currentFileInfo;
+
+	public $important;
+	public $type = 'MixinCall';
+
+	/**
+	 * less.js: tree.mixin.Call
+	 *
+	 */
+	public function __construct( $elements, $args, $index, $currentFileInfo, $important = false ) {
+		$this->selector = new Less_Tree_Selector( $elements );
+		$this->arguments = $args;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+		$this->important = $important;
+	}
+
+	// function accept($visitor){
+	//	$this->selector = $visitor->visit($this->selector);
+	//	$this->arguments = $visitor->visit($this->arguments);
+	//}
+
+	public function compile( $env ) {
+		$rules = array();
+		$match = false;
+		$isOneFound = false;
+		$candidates = array();
+		$defaultUsed = false;
+		$conditionResult = array();
+
+		$args = array();
+		foreach ( $this->arguments as $a ) {
+			$args[] = array( 'name' => $a['name'], 'value' => $a['value']->compile( $env ) );
+		}
+
+		foreach ( $env->frames as $frame ) {
+
+			$mixins = $frame->find( $this->selector );
+
+			if ( !$mixins ) {
+				continue;
+			}
+
+			$isOneFound = true;
+			$defNone = 0;
+			$defTrue = 1;
+			$defFalse = 2;
+
+			// To make `default()` function independent of definition order we have two "subpasses" here.
+			// At first we evaluate each guard *twice* (with `default() == true` and `default() == false`),
+			// and build candidate list with corresponding flags. Then, when we know all possible matches,
+			// we make a final decision.
+
+			$mixins_len = count( $mixins );
+			for ( $m = 0; $m < $mixins_len; $m++ ) {
+				$mixin = $mixins[$m];
+
+				if ( $this->IsRecursive( $env, $mixin ) ) {
+					continue;
+				}
+
+				if ( $mixin->matchArgs( $args, $env ) ) {
+
+					$candidate = array( 'mixin' => $mixin, 'group' => $defNone );
+
+					if ( $mixin instanceof Less_Tree_Ruleset ) {
+
+						for ( $f = 0; $f < 2; $f++ ) {
+							Less_Tree_DefaultFunc::value( $f );
+							$conditionResult[$f] = $mixin->matchCondition( $args, $env );
+						}
+						if ( $conditionResult[0] || $conditionResult[1] ) {
+							if ( $conditionResult[0] != $conditionResult[1] ) {
+								$candidate['group'] = $conditionResult[1] ? $defTrue : $defFalse;
+							}
+
+							$candidates[] = $candidate;
+						}
+					} else {
+						$candidates[] = $candidate;
+					}
+
+					$match = true;
+				}
+			}
+
+			Less_Tree_DefaultFunc::reset();
+
+			$count = array( 0, 0, 0 );
+			for ( $m = 0; $m < count( $candidates ); $m++ ) {
+				$count[ $candidates[$m]['group'] ]++;
+			}
+
+			if ( $count[$defNone] > 0 ) {
+				$defaultResult = $defFalse;
+			} else {
+				$defaultResult = $defTrue;
+				if ( ( $count[$defTrue] + $count[$defFalse] ) > 1 ) {
+					throw new Exception( 'Ambiguous use of `default()` found when matching for `' . $this->format( $args ) . '`' );
+				}
+			}
+
+			$candidates_length = count( $candidates );
+			$length_1 = ( $candidates_length == 1 );
+
+			for ( $m = 0; $m < $candidates_length; $m++ ) {
+				$candidate = $candidates[$m]['group'];
+				if ( ( $candidate === $defNone ) || ( $candidate === $defaultResult ) ) {
+					try{
+						$mixin = $candidates[$m]['mixin'];
+						if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
+							$mixin = new Less_Tree_Mixin_Definition( '', array(), $mixin->rules, null, false );
+							$mixin->originalRuleset = $mixins[$m]->originalRuleset;
+						}
+						$rules = array_merge( $rules, $mixin->evalCall( $env, $args, $this->important )->rules );
+					} catch ( Exception $e ) {
+						// throw new Less_Exception_Compiler($e->getMessage(), $e->index, null, $this->currentFileInfo['filename']);
+						throw new Less_Exception_Compiler( $e->getMessage(), null, null, $this->currentFileInfo );
+					}
+				}
+			}
+
+			if ( $match ) {
+				if ( !$this->currentFileInfo || !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] ) {
+					Less_Tree::ReferencedArray( $rules );
+				}
+
+				return $rules;
+			}
+		}
+
+		if ( $isOneFound ) {
+			throw new Less_Exception_Compiler( 'No matching definition was found for `'.$this->Format( $args ).'`', null, $this->index, $this->currentFileInfo );
+
+		} else {
+			throw new Less_Exception_Compiler( trim( $this->selector->toCSS() ) . " is undefined in ".$this->currentFileInfo['filename'], null, $this->index );
+		}
+
+	}
+
+	/**
+	 * Format the args for use in exception messages
+	 *
+	 */
+	private function Format( $args ) {
+		$message = array();
+		if ( $args ) {
+			foreach ( $args as $a ) {
+				$argValue = '';
+				if ( $a['name'] ) {
+					$argValue .= $a['name'] . ':';
+				}
+				if ( is_object( $a['value'] ) ) {
+					$argValue .= $a['value']->toCSS();
+				} else {
+					$argValue .= '???';
+				}
+				$message[] = $argValue;
+			}
+		}
+		return implode( ', ', $message );
+	}
+
+	/**
+	 * Are we in a recursive mixin call?
+	 *
+	 * @return bool
+	 */
+	private function IsRecursive( $env, $mixin ) {
+		foreach ( $env->frames as $recur_frame ) {
+			if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
+
+				if ( $mixin === $recur_frame ) {
+					return true;
+				}
+
+				if ( isset( $recur_frame->originalRuleset ) && $mixin->ruleset_id === $recur_frame->originalRuleset ) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php
new file mode 100755
index 0000000..f9f2eb4
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Mixin/Definition.php
@@ -0,0 +1,233 @@
+<?php
+
+class Less_Tree_Mixin_Definition extends Less_Tree_Ruleset {
+	public $name;
+	public $selectors;
+	public $params;
+	public $arity		= 0;
+	public $rules;
+	public $lookups		= array();
+	public $required	= 0;
+	public $frames		= array();
+	public $condition;
+	public $variadic;
+	public $type		= 'MixinDefinition';
+
+	// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition
+	public function __construct( $name, $params, $rules, $condition, $variadic = false, $frames = array() ) {
+		$this->name = $name;
+		$this->selectors = array( new Less_Tree_Selector( array( new Less_Tree_Element( null, $name ) ) ) );
+
+		$this->params = $params;
+		$this->condition = $condition;
+		$this->variadic = $variadic;
+		$this->rules = $rules;
+
+		if ( $params ) {
+			$this->arity = count( $params );
+			foreach ( $params as $p ) {
+				if ( !isset( $p['name'] ) || ( $p['name'] && !isset( $p['value'] ) ) ) {
+					$this->required++;
+				}
+			}
+		}
+
+		$this->frames = $frames;
+		$this->SetRulesetIndex();
+	}
+
+	// function accept( $visitor ){
+	//	$this->params = $visitor->visit($this->params);
+	//	$this->rules = $visitor->visit($this->rules);
+	//	$this->condition = $visitor->visit($this->condition);
+	//}
+
+	public function toCSS() {
+		return '';
+	}
+
+	// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition.evalParams
+	public function compileParams( $env, $mixinFrames, $args = array(), &$evaldArguments = array() ) {
+		$frame = new Less_Tree_Ruleset( null, array() );
+		$params = $this->params;
+		$mixinEnv = null;
+		$argsLength = 0;
+
+		if ( $args ) {
+			$argsLength = count( $args );
+			for ( $i = 0; $i < $argsLength; $i++ ) {
+				$arg = $args[$i];
+
+				if ( $arg && $arg['name'] ) {
+					$isNamedFound = false;
+
+					foreach ( $params as $j => $param ) {
+						if ( !isset( $evaldArguments[$j] ) && $arg['name'] === $params[$j]['name'] ) {
+							$evaldArguments[$j] = $arg['value']->compile( $env );
+							array_unshift( $frame->rules, new Less_Tree_Rule( $arg['name'], $arg['value']->compile( $env ) ) );
+							$isNamedFound = true;
+							break;
+						}
+					}
+					if ( $isNamedFound ) {
+						array_splice( $args, $i, 1 );
+						$i--;
+						$argsLength--;
+						continue;
+					} else {
+						throw new Less_Exception_Compiler( "Named argument for " . $this->name .' '.$args[$i]['name'] . ' not found' );
+					}
+				}
+			}
+		}
+
+		$argIndex = 0;
+		foreach ( $params as $i => $param ) {
+
+			if ( isset( $evaldArguments[$i] ) ) { continue;
+			}
+
+			$arg = null;
+			if ( isset( $args[$argIndex] ) ) {
+				$arg = $args[$argIndex];
+			}
+
+			if ( isset( $param['name'] ) && $param['name'] ) {
+
+				if ( isset( $param['variadic'] ) ) {
+					$varargs = array();
+					for ( $j = $argIndex; $j < $argsLength; $j++ ) {
+						$varargs[] = $args[$j]['value']->compile( $env );
+					}
+					$expression = new Less_Tree_Expression( $varargs );
+					array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $expression->compile( $env ) ) );
+				} else {
+					$val = ( $arg && $arg['value'] ) ? $arg['value'] : false;
+
+					if ( $val ) {
+						$val = $val->compile( $env );
+					} else if ( isset( $param['value'] ) ) {
+
+						if ( !$mixinEnv ) {
+							$mixinEnv = new Less_Environment();
+							$mixinEnv->frames = array_merge( array( $frame ), $mixinFrames );
+						}
+
+						$val = $param['value']->compile( $mixinEnv );
+						$frame->resetCache();
+					} else {
+						throw new Less_Exception_Compiler( "Wrong number of arguments for " . $this->name . " (" . $argsLength . ' for ' . $this->arity . ")" );
+					}
+
+					array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $val ) );
+					$evaldArguments[$i] = $val;
+				}
+			}
+
+			if ( isset( $param['variadic'] ) && $args ) {
+				for ( $j = $argIndex; $j < $argsLength; $j++ ) {
+					$evaldArguments[$j] = $args[$j]['value']->compile( $env );
+				}
+			}
+			$argIndex++;
+		}
+
+		ksort( $evaldArguments );
+		$evaldArguments = array_values( $evaldArguments );
+
+		return $frame;
+	}
+
+	public function compile( $env ) {
+		if ( $this->frames ) {
+			return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $this->frames );
+		}
+		return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $env->frames );
+	}
+
+	public function evalCall( $env, $args = NULL, $important = NULL ) {
+		Less_Environment::$mixin_stack++;
+
+		$_arguments = array();
+
+		if ( $this->frames ) {
+			$mixinFrames = array_merge( $this->frames, $env->frames );
+		} else {
+			$mixinFrames = $env->frames;
+		}
+
+		$frame = $this->compileParams( $env, $mixinFrames, $args, $_arguments );
+
+		$ex = new Less_Tree_Expression( $_arguments );
+		array_unshift( $frame->rules, new Less_Tree_Rule( '@arguments', $ex->compile( $env ) ) );
+
+		$ruleset = new Less_Tree_Ruleset( null, $this->rules );
+		$ruleset->originalRuleset = $this->ruleset_id;
+
+		$ruleSetEnv = new Less_Environment();
+		$ruleSetEnv->frames = array_merge( array( $this, $frame ), $mixinFrames );
+		$ruleset = $ruleset->compile( $ruleSetEnv );
+
+		if ( $important ) {
+			$ruleset = $ruleset->makeImportant();
+		}
+
+		Less_Environment::$mixin_stack--;
+
+		return $ruleset;
+	}
+
+	public function matchCondition( $args, $env ) {
+		if ( !$this->condition ) {
+			return true;
+		}
+
+		// set array to prevent error on array_merge
+		if ( !is_array( $this->frames ) ) {
+			 $this->frames = array();
+		}
+
+		$frame = $this->compileParams( $env, array_merge( $this->frames, $env->frames ), $args );
+
+		$compile_env = new Less_Environment();
+		$compile_env->frames = array_merge(
+				array( $frame ),		// the parameter variables
+				 $this->frames,		// the parent namespace/mixin frames
+				 $env->frames		// the current environment frames
+			);
+
+		$compile_env->functions = $env->functions;
+
+		return (bool)$this->condition->compile( $compile_env );
+	}
+
+	public function matchArgs( $args, $env = NULL ) {
+		$argsLength = count( $args );
+
+		if ( !$this->variadic ) {
+			if ( $argsLength < $this->required ) {
+				return false;
+			}
+			if ( $argsLength > count( $this->params ) ) {
+				return false;
+			}
+		} else {
+			if ( $argsLength < ( $this->required - 1 ) ) {
+				return false;
+			}
+		}
+
+		$len = min( $argsLength, $this->arity );
+
+		for ( $i = 0; $i < $len; $i++ ) {
+			if ( !isset( $this->params[$i]['name'] ) && !isset( $this->params[$i]['variadic'] ) ) {
+				if ( $args[$i]['value']->compile( $env )->toCSS() != $this->params[$i]['value']->compile( $env )->toCSS() ) {
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php b/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php
new file mode 100755
index 0000000..4f9aa97
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/NameValue.php
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * A simple css name-value pair
+ * ex: width:100px;
+ *
+ * In bootstrap, there are about 600-1,000 simple name-value pairs (depending on how forgiving the match is) -vs- 6,020 dynamic rules (Less_Tree_Rule)
+ * Using the name-value object can speed up bootstrap compilation slightly, but it breaks color keyword interpretation: color:red -> color:#FF0000;
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_NameValue extends Less_Tree {
+
+	public $name;
+	public $value;
+	public $index;
+	public $currentFileInfo;
+	public $type = 'NameValue';
+	public $important = '';
+
+	public function __construct( $name, $value = null, $index = null, $currentFileInfo = null ) {
+		$this->name = $name;
+		$this->value = $value;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function genCSS( $output ) {
+		$output->add(
+			$this->name
+			. Less_Environment::$_outputMap[': ']
+			. $this->value
+			. $this->important
+			. ( ( ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ),
+			 $this->currentFileInfo, $this->index );
+	}
+
+	public function compile( $env ) {
+		return $this;
+	}
+
+	public function makeImportant() {
+		$new = new Less_Tree_NameValue( $this->name, $this->value, $this->index, $this->currentFileInfo );
+		$new->important = ' !important';
+		return $new;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php b/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php
new file mode 100755
index 0000000..f0f36c8
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Negative.php
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * Negative
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Negative extends Less_Tree {
+
+	public $value;
+	public $type = 'Negative';
+
+	public function __construct( $node ) {
+		$this->value = $node;
+	}
+
+	// function accept($visitor) {
+	//	$this->value = $visitor->visit($this->value);
+	//}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( '-' );
+		$this->value->genCSS( $output );
+	}
+
+	public function compile( $env ) {
+		if ( Less_Environment::isMathOn() ) {
+			$ret = new Less_Tree_Operation( '*', array( new Less_Tree_Dimension( -1 ), $this->value ) );
+			return $ret->compile( $env );
+		}
+		return new Less_Tree_Negative( $this->value->compile( $env ) );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php b/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php
new file mode 100755
index 0000000..d4eb9ac
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Operation.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * Operation
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Operation extends Less_Tree {
+
+	public $op;
+	public $operands;
+	public $isSpaced;
+	public $type = 'Operation';
+
+	/**
+	 * @param string $op
+	 */
+	public function __construct( $op, $operands, $isSpaced = false ) {
+		$this->op = trim( $op );
+		$this->operands = $operands;
+		$this->isSpaced = $isSpaced;
+	}
+
+	public function accept( $visitor ) {
+		$this->operands = $visitor->visitArray( $this->operands );
+	}
+
+	public function compile( $env ) {
+		$a = $this->operands[0]->compile( $env );
+		$b = $this->operands[1]->compile( $env );
+
+		if ( Less_Environment::isMathOn() ) {
+
+			if ( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ) {
+				$a = $a->toColor();
+
+			} elseif ( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ) {
+				$b = $b->toColor();
+
+			}
+
+			if ( !method_exists( $a, 'operate' ) ) {
+				throw new Less_Exception_Compiler( "Operation on an invalid type" );
+			}
+
+			return $a->operate( $this->op, $b );
+		}
+
+		return new Less_Tree_Operation( $this->op, array( $a, $b ), $this->isSpaced );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$this->operands[0]->genCSS( $output );
+		if ( $this->isSpaced ) {
+			$output->add( " " );
+		}
+		$output->add( $this->op );
+		if ( $this->isSpaced ) {
+			$output->add( ' ' );
+		}
+		$this->operands[1]->genCSS( $output );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php b/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php
new file mode 100755
index 0000000..77ee48c
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Paren.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Paren
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Paren extends Less_Tree {
+
+	public $value;
+	public $type = 'Paren';
+
+	public function __construct( $value ) {
+		$this->value = $value;
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitObj( $this->value );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( '(' );
+		$this->value->genCSS( $output );
+		$output->add( ')' );
+	}
+
+	public function compile( $env ) {
+		return new Less_Tree_Paren( $this->value->compile( $env ) );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php b/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php
new file mode 100755
index 0000000..d01598b
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Quoted.php
@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * Quoted
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Quoted extends Less_Tree {
+	public $escaped;
+	public $value;
+	public $quote;
+	public $index;
+	public $currentFileInfo;
+	public $type = 'Quoted';
+
+	/**
+	 * @param string $str
+	 */
+	public function __construct( $str, $content = '', $escaped = false, $index = false, $currentFileInfo = null ) {
+		$this->escaped = $escaped;
+		$this->value = $content;
+		if ( $str ) {
+			$this->quote = $str[0];
+		}
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( !$this->escaped ) {
+			$output->add( $this->quote, $this->currentFileInfo, $this->index );
+		}
+		$output->add( $this->value );
+		if ( !$this->escaped ) {
+			$output->add( $this->quote );
+		}
+	}
+
+	public function compile( $env ) {
+		$value = $this->value;
+		if ( preg_match_all( '/`([^`]+)`/', $this->value, $matches ) ) {
+			foreach ( $matches as $i => $match ) {
+				$js = new Less_Tree_JavaScript( $matches[1], $this->index, true );
+				$js = $js->compile()->value;
+				$value = str_replace( $matches[0][$i], $js, $value );
+			}
+		}
+
+		if ( preg_match_all( '/@\{([\w-]+)\}/', $value, $matches ) ) {
+			foreach ( $matches[1] as $i => $match ) {
+				$v = new Less_Tree_Variable( '@' . $match, $this->index, $this->currentFileInfo );
+				$v = $v->compile( $env );
+				$v = ( $v instanceof Less_Tree_Quoted ) ? $v->value : $v->toCSS();
+				$value = str_replace( $matches[0][$i], $v, $value );
+			}
+		}
+
+		return new Less_Tree_Quoted( $this->quote . $value . $this->quote, $value, $this->escaped, $this->index, $this->currentFileInfo );
+	}
+
+	public function compare( $x ) {
+		if ( !Less_Parser::is_method( $x, 'toCSS' ) ) {
+			return -1;
+		}
+
+		$left = $this->toCSS();
+		$right = $x->toCSS();
+
+		if ( $left === $right ) {
+			return 0;
+		}
+
+		return $left < $right ? -1 : 1;
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php b/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php
new file mode 100755
index 0000000..5f393eb
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php
@@ -0,0 +1,112 @@
+<?php
+
+/**
+ * Rule
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Rule extends Less_Tree {
+
+	public $name;
+	public $value;
+	public $important;
+	public $merge;
+	public $index;
+	public $inline;
+	public $variable;
+	public $currentFileInfo;
+	public $type = 'Rule';
+
+	/**
+	 * @param string $important
+	 */
+	public function __construct( $name, $value = null, $important = null, $merge = null, $index = null, $currentFileInfo = null, $inline = false ) {
+		$this->name = $name;
+		$this->value = ( $value instanceof Less_Tree_Value || $value instanceof Less_Tree_Ruleset ) ? $value : new Less_Tree_Value( array( $value ) );
+		$this->important = $important ? ' ' . trim( $important ) : '';
+		$this->merge = $merge;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+		$this->inline = $inline;
+		$this->variable = ( is_string( $name ) && $name[0] === '@' );
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitObj( $this->value );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->name . Less_Environment::$_outputMap[': '], $this->currentFileInfo, $this->index );
+		try{
+			$this->value->genCSS( $output );
+
+		}catch ( Less_Exception_Parser $e ) {
+			$e->index = $this->index;
+			$e->currentFile = $this->currentFileInfo;
+			throw $e;
+		}
+		$output->add( $this->important . ( ( $this->inline || ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ), $this->currentFileInfo, $this->index );
+	}
+
+	public function compile( $env ) {
+		$name = $this->name;
+		if ( is_array( $name ) ) {
+			// expand 'primitive' name directly to get
+			// things faster (~10% for benchmark.less):
+			if ( count( $name ) === 1 && $name[0] instanceof Less_Tree_Keyword ) {
+				$name = $name[0]->value;
+			} else {
+				$name = $this->CompileName( $env, $name );
+			}
+		}
+
+		$strictMathBypass = Less_Parser::$options['strictMath'];
+		if ( $name === "font" && !Less_Parser::$options['strictMath'] ) {
+			Less_Parser::$options['strictMath'] = true;
+		}
+
+		try {
+			$evaldValue = $this->value->compile( $env );
+
+			if ( !$this->variable && $evaldValue->type === "DetachedRuleset" ) {
+				throw new Less_Exception_Compiler( "Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo );
+			}
+
+			if ( Less_Environment::$mixin_stack ) {
+				$return = new Less_Tree_Rule( $name, $evaldValue, $this->important, $this->merge, $this->index, $this->currentFileInfo, $this->inline );
+			} else {
+				$this->name = $name;
+				$this->value = $evaldValue;
+				$return = $this;
+			}
+
+		}catch ( Less_Exception_Parser $e ) {
+			if ( !is_numeric( $e->index ) ) {
+				$e->index = $this->index;
+				$e->currentFile = $this->currentFileInfo;
+			}
+			throw $e;
+		}
+
+		Less_Parser::$options['strictMath'] = $strictMathBypass;
+
+		return $return;
+	}
+
+	public function CompileName( $env, $name ) {
+		$output = new Less_Output();
+		foreach ( $name as $n ) {
+			$n->compile( $env )->genCSS( $output );
+		}
+		return $output->toString();
+	}
+
+	public function makeImportant() {
+		return new Less_Tree_Rule( $this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php b/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php
new file mode 100755
index 0000000..9bc8243
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php
@@ -0,0 +1,621 @@
+<?php
+
+/**
+ * Ruleset
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Ruleset extends Less_Tree {
+
+	protected $lookups;
+	public $_variables;
+	public $_rulesets;
+
+	public $strictImports;
+
+	public $selectors;
+	public $rules;
+	public $root;
+	public $allowImports;
+	public $paths;
+	public $firstRoot;
+	public $type = 'Ruleset';
+	public $multiMedia;
+	public $allExtends;
+
+	public $ruleset_id;
+	public $originalRuleset;
+
+	public $first_oelements;
+
+	public function SetRulesetIndex() {
+		$this->ruleset_id = Less_Parser::$next_id++;
+		$this->originalRuleset = $this->ruleset_id;
+
+		if ( $this->selectors ) {
+			foreach ( $this->selectors as $sel ) {
+				if ( $sel->_oelements ) {
+					$this->first_oelements[$sel->_oelements[0]] = true;
+				}
+			}
+		}
+	}
+
+	public function __construct( $selectors, $rules, $strictImports = null ) {
+		$this->selectors = $selectors;
+		$this->rules = $rules;
+		$this->lookups = array();
+		$this->strictImports = $strictImports;
+		$this->SetRulesetIndex();
+	}
+
+	public function accept( $visitor ) {
+		if ( $this->paths ) {
+			$paths_len = count( $this->paths );
+			for ( $i = 0,$paths_len; $i < $paths_len; $i++ ) {
+				$this->paths[$i] = $visitor->visitArray( $this->paths[$i] );
+			}
+		} elseif ( $this->selectors ) {
+			$this->selectors = $visitor->visitArray( $this->selectors );
+		}
+
+		if ( $this->rules ) {
+			$this->rules = $visitor->visitArray( $this->rules );
+		}
+	}
+
+	public function compile( $env ) {
+		$ruleset = $this->PrepareRuleset( $env );
+
+		// Store the frames around mixin definitions,
+		// so they can be evaluated like closures when the time comes.
+		$rsRuleCnt = count( $ruleset->rules );
+		for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
+			if ( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) {
+				$ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env );
+			}
+		}
+
+		$mediaBlockCount = 0;
+		if ( $env instanceof Less_Environment ) {
+			$mediaBlockCount = count( $env->mediaBlocks );
+		}
+
+		// Evaluate mixin calls.
+		$this->EvalMixinCalls( $ruleset, $env, $rsRuleCnt );
+
+		// Evaluate everything else
+		for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
+			if ( !( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) ) {
+				$ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env );
+			}
+		}
+
+		// Evaluate everything else
+		for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
+			$rule = $ruleset->rules[$i];
+
+			// for rulesets, check if it is a css guard and can be removed
+			if ( $rule instanceof Less_Tree_Ruleset && $rule->selectors && count( $rule->selectors ) === 1 ) {
+
+				// check if it can be folded in (e.g. & where)
+				if ( $rule->selectors[0]->isJustParentSelector() ) {
+					array_splice( $ruleset->rules, $i--, 1 );
+					$rsRuleCnt--;
+
+					for ( $j = 0; $j < count( $rule->rules ); $j++ ) {
+						$subRule = $rule->rules[$j];
+						if ( !( $subRule instanceof Less_Tree_Rule ) || !$subRule->variable ) {
+							array_splice( $ruleset->rules, ++$i, 0, array( $subRule ) );
+							$rsRuleCnt++;
+						}
+					}
+
+				}
+			}
+		}
+
+		// Pop the stack
+		$env->shiftFrame();
+
+		if ( $mediaBlockCount ) {
+			$len = count( $env->mediaBlocks );
+			for ( $i = $mediaBlockCount; $i < $len; $i++ ) {
+				$env->mediaBlocks[$i]->bubbleSelectors( $ruleset->selectors );
+			}
+		}
+
+		return $ruleset;
+	}
+
+	/**
+	 * Compile Less_Tree_Mixin_Call objects
+	 *
+	 * @param Less_Tree_Ruleset $ruleset
+	 * @param integer $rsRuleCnt
+	 */
+	private function EvalMixinCalls( $ruleset, $env, &$rsRuleCnt ) {
+		for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
+			$rule = $ruleset->rules[$i];
+
+			if ( $rule instanceof Less_Tree_Mixin_Call ) {
+				$rule = $rule->compile( $env );
+
+				$temp = array();
+				foreach ( $rule as $r ) {
+					if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) {
+						// do not pollute the scope if the variable is
+						// already there. consider returning false here
+						// but we need a way to "return" variable from mixins
+						if ( !$ruleset->variable( $r->name ) ) {
+							$temp[] = $r;
+						}
+					} else {
+						$temp[] = $r;
+					}
+				}
+				$temp_count = count( $temp ) - 1;
+				array_splice( $ruleset->rules, $i, 1, $temp );
+				$rsRuleCnt += $temp_count;
+				$i += $temp_count;
+				$ruleset->resetCache();
+
+			} elseif ( $rule instanceof Less_Tree_RulesetCall ) {
+
+				$rule = $rule->compile( $env );
+				$rules = array();
+				foreach ( $rule->rules as $r ) {
+					if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) {
+						continue;
+					}
+					$rules[] = $r;
+				}
+
+				array_splice( $ruleset->rules, $i, 1, $rules );
+				$temp_count = count( $rules );
+				$rsRuleCnt += $temp_count - 1;
+				$i += $temp_count - 1;
+				$ruleset->resetCache();
+			}
+
+		}
+	}
+
+	/**
+	 * Compile the selectors and create a new ruleset object for the compile() method
+	 *
+	 */
+	private function PrepareRuleset( $env ) {
+		$hasOnePassingSelector = false;
+		$selectors = array();
+		if ( $this->selectors ) {
+			Less_Tree_DefaultFunc::error( "it is currently only allowed in parametric mixin guards," );
+
+			foreach ( $this->selectors as $s ) {
+				$selector = $s->compile( $env );
+				$selectors[] = $selector;
+				if ( $selector->evaldCondition ) {
+					$hasOnePassingSelector = true;
+				}
+			}
+
+			Less_Tree_DefaultFunc::reset();
+		} else {
+			$hasOnePassingSelector = true;
+		}
+
+		if ( $this->rules && $hasOnePassingSelector ) {
+			$rules = $this->rules;
+		} else {
+			$rules = array();
+		}
+
+		$ruleset = new Less_Tree_Ruleset( $selectors, $rules, $this->strictImports );
+
+		$ruleset->originalRuleset = $this->ruleset_id;
+
+		$ruleset->root = $this->root;
+		$ruleset->firstRoot = $this->firstRoot;
+		$ruleset->allowImports = $this->allowImports;
+
+		// push the current ruleset to the frames stack
+		$env->unshiftFrame( $ruleset );
+
+		// Evaluate imports
+		if ( $ruleset->root || $ruleset->allowImports || !$ruleset->strictImports ) {
+			$ruleset->evalImports( $env );
+		}
+
+		return $ruleset;
+	}
+
+	function evalImports( $env ) {
+		$rules_len = count( $this->rules );
+		for ( $i = 0; $i < $rules_len; $i++ ) {
+			$rule = $this->rules[$i];
+
+			if ( $rule instanceof Less_Tree_Import ) {
+				$rules = $rule->compile( $env );
+				if ( is_array( $rules ) ) {
+					array_splice( $this->rules, $i, 1, $rules );
+					$temp_count = count( $rules ) - 1;
+					$i += $temp_count;
+					$rules_len += $temp_count;
+				} else {
+					array_splice( $this->rules, $i, 1, array( $rules ) );
+				}
+
+				$this->resetCache();
+			}
+		}
+	}
+
+	function makeImportant() {
+		$important_rules = array();
+		foreach ( $this->rules as $rule ) {
+			if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_Ruleset || $rule instanceof Less_Tree_NameValue ) {
+				$important_rules[] = $rule->makeImportant();
+			} else {
+				$important_rules[] = $rule;
+			}
+		}
+
+		return new Less_Tree_Ruleset( $this->selectors, $important_rules, $this->strictImports );
+	}
+
+	public function matchArgs( $args ) {
+		return !$args;
+	}
+
+	// lets you call a css selector with a guard
+	public function matchCondition( $args, $env ) {
+		$lastSelector = end( $this->selectors );
+
+		if ( !$lastSelector->evaldCondition ) {
+			return false;
+		}
+		if ( $lastSelector->condition && !$lastSelector->condition->compile( $env->copyEvalEnv( $env->frames ) ) ) {
+			return false;
+		}
+		return true;
+	}
+
+	function resetCache() {
+		$this->_rulesets = null;
+		$this->_variables = null;
+		$this->lookups = array();
+	}
+
+	public function variables() {
+		$this->_variables = array();
+		foreach ( $this->rules as $r ) {
+			if ( $r instanceof Less_Tree_Rule && $r->variable === true ) {
+				$this->_variables[$r->name] = $r;
+			}
+		}
+	}
+
+	public function variable( $name ) {
+		if ( is_null( $this->_variables ) ) {
+			$this->variables();
+		}
+		return isset( $this->_variables[$name] ) ? $this->_variables[$name] : null;
+	}
+
+	public function find( $selector, $self = null ) {
+		$key = implode( ' ', $selector->_oelements );
+
+		if ( !isset( $this->lookups[$key] ) ) {
+
+			if ( !$self ) {
+				$self = $this->ruleset_id;
+			}
+
+			$this->lookups[$key] = array();
+
+			$first_oelement = $selector->_oelements[0];
+
+			foreach ( $this->rules as $rule ) {
+				if ( $rule instanceof Less_Tree_Ruleset && $rule->ruleset_id != $self ) {
+
+					if ( isset( $rule->first_oelements[$first_oelement] ) ) {
+
+						foreach ( $rule->selectors as $ruleSelector ) {
+							$match = $selector->match( $ruleSelector );
+							if ( $match ) {
+								if ( $selector->elements_len > $match ) {
+									$this->lookups[$key] = array_merge( $this->lookups[$key], $rule->find( new Less_Tree_Selector( array_slice( $selector->elements, $match ) ), $self ) );
+								} else {
+									$this->lookups[$key][] = $rule;
+								}
+								break;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		return $this->lookups[$key];
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( !$this->root ) {
+			Less_Environment::$tabLevel++;
+		}
+
+		$tabRuleStr = $tabSetStr = '';
+		if ( !Less_Parser::$options['compress'] ) {
+			if ( Less_Environment::$tabLevel ) {
+				$tabRuleStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel );
+				$tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 );
+			} else {
+				$tabSetStr = $tabRuleStr = "\n";
+			}
+		}
+
+		$ruleNodes = array();
+		$rulesetNodes = array();
+		foreach ( $this->rules as $rule ) {
+
+			$class = get_class( $rule );
+			if ( ( $class === 'Less_Tree_Media' ) || ( $class === 'Less_Tree_Directive' ) || ( $this->root && $class === 'Less_Tree_Comment' ) || ( $class === 'Less_Tree_Ruleset' && $rule->rules ) ) {
+				$rulesetNodes[] = $rule;
+			} else {
+				$ruleNodes[] = $rule;
+			}
+		}
+
+		// If this is the root node, we don't render
+		// a selector, or {}.
+		if ( !$this->root ) {
+
+			/*
+			debugInfo = tree.debugInfo(env, this, tabSetStr);
+
+			if (debugInfo) {
+				output.add(debugInfo);
+				output.add(tabSetStr);
+			}
+			*/
+
+			$paths_len = count( $this->paths );
+			for ( $i = 0; $i < $paths_len; $i++ ) {
+				$path = $this->paths[$i];
+				$firstSelector = true;
+
+				foreach ( $path as $p ) {
+					$p->genCSS( $output, $firstSelector );
+					$firstSelector = false;
+				}
+
+				if ( $i + 1 < $paths_len ) {
+					$output->add( ',' . $tabSetStr );
+				}
+			}
+
+			$output->add( ( Less_Parser::$options['compress'] ? '{' : " {" ) . $tabRuleStr );
+		}
+
+		// Compile rules and rulesets
+		$ruleNodes_len = count( $ruleNodes );
+		$rulesetNodes_len = count( $rulesetNodes );
+		for ( $i = 0; $i < $ruleNodes_len; $i++ ) {
+			$rule = $ruleNodes[$i];
+
+			// @page{ directive ends up with root elements inside it, a mix of rules and rulesets
+			// In this instance we do not know whether it is the last property
+			if ( $i + 1 === $ruleNodes_len && ( !$this->root || $rulesetNodes_len === 0 || $this->firstRoot ) ) {
+				Less_Environment::$lastRule = true;
+			}
+
+			$rule->genCSS( $output );
+
+			if ( !Less_Environment::$lastRule ) {
+				$output->add( $tabRuleStr );
+			} else {
+				Less_Environment::$lastRule = false;
+			}
+		}
+
+		if ( !$this->root ) {
+			$output->add( $tabSetStr . '}' );
+			Less_Environment::$tabLevel--;
+		}
+
+		$firstRuleset = true;
+		$space = ( $this->root ? $tabRuleStr : $tabSetStr );
+		for ( $i = 0; $i < $rulesetNodes_len; $i++ ) {
+
+			if ( $ruleNodes_len && $firstRuleset ) {
+				$output->add( $space );
+			} elseif ( !$firstRuleset ) {
+				$output->add( $space );
+			}
+			$firstRuleset = false;
+			$rulesetNodes[$i]->genCSS( $output );
+		}
+
+		if ( !Less_Parser::$options['compress'] && $this->firstRoot ) {
+			$output->add( "\n" );
+		}
+
+	}
+
+	function markReferenced() {
+		if ( !$this->selectors ) {
+			return;
+		}
+		foreach ( $this->selectors as $selector ) {
+			$selector->markReferenced();
+		}
+	}
+
+	public function joinSelectors( $context, $selectors ) {
+		$paths = array();
+		if ( is_array( $selectors ) ) {
+			foreach ( $selectors as $selector ) {
+				$this->joinSelector( $paths, $context, $selector );
+			}
+		}
+		return $paths;
+	}
+
+	public function joinSelector( &$paths, $context, $selector ) {
+		$hasParentSelector = false;
+
+		foreach ( $selector->elements as $el ) {
+			if ( $el->value === '&' ) {
+				$hasParentSelector = true;
+			}
+		}
+
+		if ( !$hasParentSelector ) {
+			if ( $context ) {
+				foreach ( $context as $context_el ) {
+					$paths[] = array_merge( $context_el, array( $selector ) );
+				}
+			} else {
+				$paths[] = array( $selector );
+			}
+			return;
+		}
+
+		// The paths are [[Selector]]
+		// The first list is a list of comma separated selectors
+		// The inner list is a list of inheritance separated selectors
+		// e.g.
+		// .a, .b {
+		//   .c {
+		//   }
+		// }
+		// == [[.a] [.c]] [[.b] [.c]]
+		//
+
+		// the elements from the current selector so far
+		$currentElements = array();
+		// the current list of new selectors to add to the path.
+		// We will build it up. We initiate it with one empty selector as we "multiply" the new selectors
+		// by the parents
+		$newSelectors = array( array() );
+
+		foreach ( $selector->elements as $el ) {
+
+			// non parent reference elements just get added
+			if ( $el->value !== '&' ) {
+				$currentElements[] = $el;
+			} else {
+				// the new list of selectors to add
+				$selectorsMultiplied = array();
+
+				// merge the current list of non parent selector elements
+				// on to the current list of selectors to add
+				if ( $currentElements ) {
+					$this->mergeElementsOnToSelectors( $currentElements, $newSelectors );
+				}
+
+				// loop through our current selectors
+				foreach ( $newSelectors as $sel ) {
+
+					// if we don't have any parent paths, the & might be in a mixin so that it can be used
+					// whether there are parents or not
+					if ( !$context ) {
+						// the combinator used on el should now be applied to the next element instead so that
+						// it is not lost
+						if ( $sel ) {
+							$sel[0]->elements = array_slice( $sel[0]->elements, 0 );
+							$sel[0]->elements[] = new Less_Tree_Element( $el->combinator, '', $el->index, $el->currentFileInfo );
+						}
+						$selectorsMultiplied[] = $sel;
+					} else {
+
+						// and the parent selectors
+						foreach ( $context as $parentSel ) {
+							// We need to put the current selectors
+							// then join the last selector's elements on to the parents selectors
+
+							// our new selector path
+							$newSelectorPath = array();
+							// selectors from the parent after the join
+							$afterParentJoin = array();
+							$newJoinedSelectorEmpty = true;
+
+							// construct the joined selector - if & is the first thing this will be empty,
+							// if not newJoinedSelector will be the last set of elements in the selector
+							if ( $sel ) {
+								$newSelectorPath = $sel;
+								$lastSelector = array_pop( $newSelectorPath );
+								$newJoinedSelector = $selector->createDerived( array_slice( $lastSelector->elements, 0 ) );
+								$newJoinedSelectorEmpty = false;
+							} else {
+								$newJoinedSelector = $selector->createDerived( array() );
+							}
+
+							// put together the parent selectors after the join
+							if ( count( $parentSel ) > 1 ) {
+								$afterParentJoin = array_merge( $afterParentJoin, array_slice( $parentSel, 1 ) );
+							}
+
+							if ( $parentSel ) {
+								$newJoinedSelectorEmpty = false;
+
+								// join the elements so far with the first part of the parent
+								$newJoinedSelector->elements[] = new Less_Tree_Element( $el->combinator, $parentSel[0]->elements[0]->value, $el->index, $el->currentFileInfo );
+
+								$newJoinedSelector->elements = array_merge( $newJoinedSelector->elements, array_slice( $parentSel[0]->elements, 1 ) );
+							}
+
+							if ( !$newJoinedSelectorEmpty ) {
+								// now add the joined selector
+								$newSelectorPath[] = $newJoinedSelector;
+							}
+
+							// and the rest of the parent
+							$newSelectorPath = array_merge( $newSelectorPath, $afterParentJoin );
+
+							// add that to our new set of selectors
+							$selectorsMultiplied[] = $newSelectorPath;
+						}
+					}
+				}
+
+				// our new selectors has been multiplied, so reset the state
+				$newSelectors = $selectorsMultiplied;
+				$currentElements = array();
+			}
+		}
+
+		// if we have any elements left over (e.g. .a& .b == .b)
+		// add them on to all the current selectors
+		if ( $currentElements ) {
+			$this->mergeElementsOnToSelectors( $currentElements, $newSelectors );
+		}
+		foreach ( $newSelectors as $new_sel ) {
+			if ( $new_sel ) {
+				$paths[] = $new_sel;
+			}
+		}
+	}
+
+	function mergeElementsOnToSelectors( $elements, &$selectors ) {
+		if ( !$selectors ) {
+			$selectors[] = array( new Less_Tree_Selector( $elements ) );
+			return;
+		}
+
+		foreach ( $selectors as &$sel ) {
+
+			// if the previous thing in sel is a parent this needs to join on to it
+			if ( $sel ) {
+				$last = count( $sel ) - 1;
+				$sel[$last] = $sel[$last]->createDerived( array_merge( $sel[$last]->elements, $elements ) );
+			} else {
+				$sel[] = new Less_Tree_Selector( $elements );
+			}
+		}
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php b/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php
new file mode 100755
index 0000000..079ff4f
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/RulesetCall.php
@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * RulesetCall
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_RulesetCall extends Less_Tree {
+
+	public $variable;
+	public $type = "RulesetCall";
+
+	public function __construct( $variable ) {
+		$this->variable = $variable;
+	}
+
+	public function accept( $visitor ) {
+	}
+
+	public function compile( $env ) {
+		$variable = new Less_Tree_Variable( $this->variable );
+		$detachedRuleset = $variable->compile( $env );
+		return $detachedRuleset->callEval( $env );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php
new file mode 100755
index 0000000..7ecfc6a
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Selector.php
@@ -0,0 +1,165 @@
+<?php
+
+/**
+ * Selector
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Selector extends Less_Tree {
+
+	public $elements;
+	public $condition;
+	public $extendList = array();
+	public $_css;
+	public $index;
+	public $evaldCondition = false;
+	public $type = 'Selector';
+	public $currentFileInfo = array();
+	public $isReferenced;
+	public $mediaEmpty;
+
+	public $elements_len = 0;
+
+	public $_oelements;
+	public $_oelements_assoc;
+	public $_oelements_len;
+	public $cacheable = true;
+
+	/**
+	 * @param boolean $isReferenced
+	 */
+	public function __construct( $elements, $extendList = array(), $condition = null, $index = null, $currentFileInfo = null, $isReferenced = null ) {
+		$this->elements = $elements;
+		$this->elements_len = count( $elements );
+		$this->extendList = $extendList;
+		$this->condition = $condition;
+		if ( $currentFileInfo ) {
+			$this->currentFileInfo = $currentFileInfo;
+		}
+		$this->isReferenced = $isReferenced;
+		if ( !$condition ) {
+			$this->evaldCondition = true;
+		}
+
+		$this->CacheElements();
+	}
+
+	public function accept( $visitor ) {
+		$this->elements = $visitor->visitArray( $this->elements );
+		$this->extendList = $visitor->visitArray( $this->extendList );
+		if ( $this->condition ) {
+			$this->condition = $visitor->visitObj( $this->condition );
+		}
+
+		if ( $visitor instanceof Less_Visitor_extendFinder ) {
+			$this->CacheElements();
+		}
+	}
+
+	public function createDerived( $elements, $extendList = null, $evaldCondition = null ) {
+		$newSelector = new Less_Tree_Selector( $elements, ( $extendList ? $extendList : $this->extendList ), null, $this->index, $this->currentFileInfo, $this->isReferenced );
+		$newSelector->evaldCondition = $evaldCondition ? $evaldCondition : $this->evaldCondition;
+		return $newSelector;
+	}
+
+	public function match( $other ) {
+		if ( !$other->_oelements || ( $this->elements_len < $other->_oelements_len ) ) {
+			return 0;
+		}
+
+		for ( $i = 0; $i < $other->_oelements_len; $i++ ) {
+			if ( $this->elements[$i]->value !== $other->_oelements[$i] ) {
+				return 0;
+			}
+		}
+
+		return $other->_oelements_len; // return number of matched elements
+	}
+
+	public function CacheElements() {
+		$this->_oelements = array();
+		$this->_oelements_assoc = array();
+
+		$css = '';
+
+		foreach ( $this->elements as $v ) {
+
+			$css .= $v->combinator;
+			if ( !$v->value_is_object ) {
+				$css .= $v->value;
+				continue;
+			}
+
+			if ( !property_exists( $v->value, 'value' ) || !is_string( $v->value->value ) ) {
+				$this->cacheable = false;
+				return;
+			}
+			$css .= $v->value->value;
+		}
+
+		$this->_oelements_len = preg_match_all( '/[,&#\.\w-](?:[\w-]|(?:\\\\.))*/', $css, $matches );
+		if ( $this->_oelements_len ) {
+			$this->_oelements = $matches[0];
+
+			if ( $this->_oelements[0] === '&' ) {
+				array_shift( $this->_oelements );
+				$this->_oelements_len--;
+			}
+
+			$this->_oelements_assoc = array_fill_keys( $this->_oelements, true );
+		}
+	}
+
+	public function isJustParentSelector() {
+		return !$this->mediaEmpty &&
+			count( $this->elements ) === 1 &&
+			$this->elements[0]->value === '&' &&
+			( $this->elements[0]->combinator === ' ' || $this->elements[0]->combinator === '' );
+	}
+
+	public function compile( $env ) {
+		$elements = array();
+		foreach ( $this->elements as $el ) {
+			$elements[] = $el->compile( $env );
+		}
+
+		$extendList = array();
+		foreach ( $this->extendList as $el ) {
+			$extendList[] = $el->compile( $el );
+		}
+
+		$evaldCondition = false;
+		if ( $this->condition ) {
+			$evaldCondition = $this->condition->compile( $env );
+		}
+
+		return $this->createDerived( $elements, $extendList, $evaldCondition );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output, $firstSelector = true ) {
+		if ( !$firstSelector && $this->elements[0]->combinator === "" ) {
+			$output->add( ' ', $this->currentFileInfo, $this->index );
+		}
+
+		foreach ( $this->elements as $element ) {
+			$element->genCSS( $output );
+		}
+	}
+
+	public function markReferenced() {
+		$this->isReferenced = true;
+	}
+
+	public function getIsReferenced() {
+		return !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] || $this->isReferenced;
+	}
+
+	public function getIsOutput() {
+		return $this->evaldCondition;
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php b/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php
new file mode 100755
index 0000000..38e0526
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/UnicodeDescriptor.php
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * UnicodeDescriptor
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_UnicodeDescriptor extends Less_Tree {
+
+	public $value;
+	public $type = 'UnicodeDescriptor';
+
+	public function __construct( $value ) {
+		$this->value = $value;
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( $this->value );
+	}
+
+	public function compile() {
+		return $this;
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php b/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php
new file mode 100755
index 0000000..29230df
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Unit.php
@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * Unit
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Unit extends Less_Tree {
+
+	var $numerator = array();
+	var $denominator = array();
+	public $backupUnit;
+	public $type = 'Unit';
+
+	public function __construct( $numerator = array(), $denominator = array(), $backupUnit = null ) {
+		$this->numerator = $numerator;
+		$this->denominator = $denominator;
+		$this->backupUnit = $backupUnit;
+	}
+
+	public function __clone() {
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		if ( $this->numerator ) {
+			$output->add( $this->numerator[0] );
+		} elseif ( $this->denominator ) {
+			$output->add( $this->denominator[0] );
+		} elseif ( !Less_Parser::$options['strictUnits'] && $this->backupUnit ) {
+			$output->add( $this->backupUnit );
+			return;
+		}
+	}
+
+	public function toString() {
+		$returnStr = implode( '*', $this->numerator );
+		foreach ( $this->denominator as $d ) {
+			$returnStr .= '/'.$d;
+		}
+		return $returnStr;
+	}
+
+	public function __toString() {
+		return $this->toString();
+	}
+
+	/**
+	 * @param Less_Tree_Unit $other
+	 */
+	public function compare( $other ) {
+		return $this->is( $other->toString() ) ? 0 : -1;
+	}
+
+	public function is( $unitString ) {
+		return $this->toString() === $unitString;
+	}
+
+	public function isLength() {
+		$css = $this->toCSS();
+		return !!preg_match( '/px|em|%|in|cm|mm|pc|pt|ex/', $css );
+	}
+
+	public function isAngle() {
+		return isset( Less_Tree_UnitConversions::$angle[$this->toCSS()] );
+	}
+
+	public function isEmpty() {
+		return !$this->numerator && !$this->denominator;
+	}
+
+	public function isSingular() {
+		return count( $this->numerator ) <= 1 && !$this->denominator;
+	}
+
+	public function usedUnits() {
+		$result = array();
+
+		foreach ( Less_Tree_UnitConversions::$groups as $groupName ) {
+			$group = Less_Tree_UnitConversions::${$groupName};
+
+			foreach ( $this->numerator as $atomicUnit ) {
+				if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) {
+					$result[$groupName] = $atomicUnit;
+				}
+			}
+
+			foreach ( $this->denominator as $atomicUnit ) {
+				if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) {
+					$result[$groupName] = $atomicUnit;
+				}
+			}
+		}
+
+		return $result;
+	}
+
+	public function cancel() {
+		$counter = array();
+		$backup = null;
+
+		foreach ( $this->numerator as $atomicUnit ) {
+			if ( !$backup ) {
+				$backup = $atomicUnit;
+			}
+			$counter[$atomicUnit] = ( isset( $counter[$atomicUnit] ) ? $counter[$atomicUnit] : 0 ) + 1;
+		}
+
+		foreach ( $this->denominator as $atomicUnit ) {
+			if ( !$backup ) {
+				$backup = $atomicUnit;
+			}
+			$counter[$atomicUnit] = ( isset( $counter[$atomicUnit] ) ? $counter[$atomicUnit] : 0 ) - 1;
+		}
+
+		$this->numerator = array();
+		$this->denominator = array();
+
+		foreach ( $counter as $atomicUnit => $count ) {
+			if ( $count > 0 ) {
+				for ( $i = 0; $i < $count; $i++ ) {
+					$this->numerator[] = $atomicUnit;
+				}
+			} elseif ( $count < 0 ) {
+				for ( $i = 0; $i < -$count; $i++ ) {
+					$this->denominator[] = $atomicUnit;
+				}
+			}
+		}
+
+		if ( !$this->numerator && !$this->denominator && $backup ) {
+			$this->backupUnit = $backup;
+		}
+
+		sort( $this->numerator );
+		sort( $this->denominator );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php b/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php
new file mode 100755
index 0000000..7f857fb
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/UnitConversions.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * UnitConversions
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_UnitConversions {
+
+	public static $groups = array( 'length','duration','angle' );
+
+	public static $length = array(
+		'm' => 1,
+		'cm' => 0.01,
+		'mm' => 0.001,
+		'in' => 0.0254,
+		'px' => 0.000264583, // 0.0254 / 96,
+		'pt' => 0.000352778, // 0.0254 / 72,
+		'pc' => 0.004233333, // 0.0254 / 72 * 12
+		);
+
+	public static $duration = array(
+		's' => 1,
+		'ms' => 0.001
+		);
+
+	public static $angle = array(
+		'rad' => 0.1591549430919,	// 1/(2*M_PI),
+		'deg' => 0.002777778, 		// 1/360,
+		'grad' => 0.0025,			// 1/400,
+		'turn' => 1
+		);
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Url.php b/vendor/wikimedia/less.php/lib/Less/Tree/Url.php
new file mode 100755
index 0000000..4e7f114
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Url.php
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Url
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Url extends Less_Tree {
+
+	public $attrs;
+	public $value;
+	public $currentFileInfo;
+	public $isEvald;
+	public $type = 'Url';
+
+	public function __construct( $value, $currentFileInfo = null, $isEvald = null ) {
+		$this->value = $value;
+		$this->currentFileInfo = $currentFileInfo;
+		$this->isEvald = $isEvald;
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitObj( $this->value );
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	public function genCSS( $output ) {
+		$output->add( 'url(' );
+		$this->value->genCSS( $output );
+		$output->add( ')' );
+	}
+
+	/**
+	 * @param Less_Functions $ctx
+	 */
+	public function compile( $ctx ) {
+		$val = $this->value->compile( $ctx );
+
+		if ( !$this->isEvald ) {
+			// Add the base path if the URL is relative
+			if ( Less_Parser::$options['relativeUrls']
+				&& $this->currentFileInfo
+				&& is_string( $val->value )
+				&& Less_Environment::isPathRelative( $val->value )
+			) {
+				$rootpath = $this->currentFileInfo['uri_root'];
+				if ( !$val->quote ) {
+					$rootpath = preg_replace( '/[\(\)\'"\s]/', '\\$1', $rootpath );
+				}
+				$val->value = $rootpath . $val->value;
+			}
+
+			$val->value = Less_Environment::normalizePath( $val->value );
+		}
+
+		// Add cache buster if enabled
+		if ( Less_Parser::$options['urlArgs'] ) {
+			if ( !preg_match( '/^\s*data:/', $val->value ) ) {
+				$delimiter = strpos( $val->value, '?' ) === false ? '?' : '&';
+				$urlArgs = $delimiter . Less_Parser::$options['urlArgs'];
+				$hash_pos = strpos( $val->value, '#' );
+				if ( $hash_pos !== false ) {
+					$val->value = substr_replace( $val->value, $urlArgs, $hash_pos, 0 );
+				} else {
+					$val->value .= $urlArgs;
+				}
+			}
+		}
+
+		return new Less_Tree_URL( $val, $this->currentFileInfo, true );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Value.php b/vendor/wikimedia/less.php/lib/Less/Tree/Value.php
new file mode 100755
index 0000000..a4c0d85
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Value.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Value
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Value extends Less_Tree {
+
+	public $type = 'Value';
+	public $value;
+
+	public function __construct( $value ) {
+		$this->value = $value;
+	}
+
+	public function accept( $visitor ) {
+		$this->value = $visitor->visitArray( $this->value );
+	}
+
+	public function compile( $env ) {
+		$ret = array();
+		$i = 0;
+		foreach ( $this->value as $i => $v ) {
+			$ret[] = $v->compile( $env );
+		}
+		if ( $i > 0 ) {
+			return new Less_Tree_Value( $ret );
+		}
+		return $ret[0];
+	}
+
+	/**
+	 * @see Less_Tree::genCSS
+	 */
+	function genCSS( $output ) {
+		$len = count( $this->value );
+		for ( $i = 0; $i < $len; $i++ ) {
+			$this->value[$i]->genCSS( $output );
+			if ( $i + 1 < $len ) {
+				$output->add( Less_Environment::$_outputMap[','] );
+			}
+		}
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php b/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php
new file mode 100755
index 0000000..e36d3d4
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Variable
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Variable extends Less_Tree {
+
+	public $name;
+	public $index;
+	public $currentFileInfo;
+	public $evaluating = false;
+	public $type = 'Variable';
+
+	/**
+	 * @param string $name
+	 */
+	public function __construct( $name, $index = null, $currentFileInfo = null ) {
+		$this->name = $name;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function compile( $env ) {
+		if ( $this->name[1] === '@' ) {
+			$v = new Less_Tree_Variable( substr( $this->name, 1 ), $this->index + 1, $this->currentFileInfo );
+			$name = '@' . $v->compile( $env )->value;
+		} else {
+			$name = $this->name;
+		}
+
+		if ( $this->evaluating ) {
+			throw new Less_Exception_Compiler( "Recursive variable definition for " . $name, null, $this->index, $this->currentFileInfo );
+		}
+
+		$this->evaluating = true;
+
+		foreach ( $env->frames as $frame ) {
+			if ( $v = $frame->variable( $name ) ) {
+				$r = $v->value->compile( $env );
+				$this->evaluating = false;
+				return $r;
+			}
+		}
+
+		throw new Less_Exception_Compiler( "variable " . $name . " is undefined in file ".$this->currentFileInfo["filename"], null, $this->index, $this->currentFileInfo );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Version.php b/vendor/wikimedia/less.php/lib/Less/Version.php
new file mode 100755
index 0000000..2d05c38
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Version.php
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * Release numbers
+ *
+ * @package Less
+ * @subpackage version
+ */
+class Less_Version {
+
+	public const version = '3.1.0';			// The current build number of less.php
+	public const less_version = '2.5.3';		// The less.js version that this build should be compatible with
+	public const cache_version = '253';		// The parser cache version
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor.php b/vendor/wikimedia/less.php/lib/Less/Visitor.php
new file mode 100755
index 0000000..4aed540
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor {
+
+	protected $methods = array();
+	protected $_visitFnCache = array();
+
+	public function __construct() {
+		$this->_visitFnCache = get_class_methods( get_class( $this ) );
+		$this->_visitFnCache = array_flip( $this->_visitFnCache );
+	}
+
+	public function visitObj( $node ) {
+		$funcName = 'visit'.$node->type;
+		if ( isset( $this->_visitFnCache[$funcName] ) ) {
+
+			$visitDeeper = true;
+			$this->$funcName( $node, $visitDeeper );
+
+			if ( $visitDeeper ) {
+				$node->accept( $this );
+			}
+
+			$funcName = $funcName . "Out";
+			if ( isset( $this->_visitFnCache[$funcName] ) ) {
+				$this->$funcName( $node );
+			}
+
+		} else {
+			$node->accept( $this );
+		}
+
+		return $node;
+	}
+
+	public function visitArray( $nodes ) {
+		array_map( array( $this,'visitObj' ), $nodes );
+		return $nodes;
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php b/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php
new file mode 100755
index 0000000..7d5d3fd
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor/extendFinder.php
@@ -0,0 +1,109 @@
+<?php
+
+/**
+ * Extend Finder Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_extendFinder extends Less_Visitor {
+
+	public $contexts = array();
+	public $allExtendsStack;
+	public $foundExtends;
+
+	public function __construct() {
+		$this->contexts = array();
+		$this->allExtendsStack = array( array() );
+		parent::__construct();
+	}
+
+	/**
+	 * @param Less_Tree_Ruleset $root
+	 */
+	public function run( $root ) {
+		$root = $this->visitObj( $root );
+		$root->allExtends =& $this->allExtendsStack[0];
+		return $root;
+	}
+
+	public function visitRule( $ruleNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitRuleset( $rulesetNode ) {
+		if ( $rulesetNode->root ) {
+			return;
+		}
+
+		$allSelectorsExtendList = array();
+
+		// get &:extend(.a); rules which apply to all selectors in this ruleset
+		if ( $rulesetNode->rules ) {
+			foreach ( $rulesetNode->rules as $rule ) {
+				if ( $rule instanceof Less_Tree_Extend ) {
+					$allSelectorsExtendList[] = $rule;
+					$rulesetNode->extendOnEveryPath = true;
+				}
+			}
+		}
+
+		// now find every selector and apply the extends that apply to all extends
+		// and the ones which apply to an individual extend
+		foreach ( $rulesetNode->paths as $selectorPath ) {
+			$selector = end( $selectorPath ); // $selectorPath[ count($selectorPath)-1];
+
+			$j = 0;
+			foreach ( $selector->extendList as $extend ) {
+				$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
+			}
+			foreach ( $allSelectorsExtendList as $extend ) {
+				$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
+			}
+		}
+
+		$this->contexts[] = $rulesetNode->selectors;
+	}
+
+	public function allExtendsStackPush( $rulesetNode, $selectorPath, $extend, &$j ) {
+		$this->foundExtends = true;
+		$extend = clone $extend;
+		$extend->findSelfSelectors( $selectorPath );
+		$extend->ruleset = $rulesetNode;
+		if ( $j === 0 ) {
+			$extend->firstExtendOnThisSelectorPath = true;
+		}
+
+		$end_key = count( $this->allExtendsStack ) - 1;
+		$this->allExtendsStack[$end_key][] = $extend;
+		$j++;
+	}
+
+	public function visitRulesetOut( $rulesetNode ) {
+		if ( !is_object( $rulesetNode ) || !$rulesetNode->root ) {
+			array_pop( $this->contexts );
+		}
+	}
+
+	public function visitMedia( $mediaNode ) {
+		$mediaNode->allExtends = array();
+		$this->allExtendsStack[] =& $mediaNode->allExtends;
+	}
+
+	public function visitMediaOut() {
+		array_pop( $this->allExtendsStack );
+	}
+
+	public function visitDirective( $directiveNode ) {
+		$directiveNode->allExtends = array();
+		$this->allExtendsStack[] =& $directiveNode->allExtends;
+	}
+
+	public function visitDirectiveOut() {
+		array_pop( $this->allExtendsStack );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/import.php b/vendor/wikimedia/less.php/lib/Less/Visitor/import.php
new file mode 100755
index 0000000..7af96eb
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor/import.php
@@ -0,0 +1,137 @@
+<?php
+
+/*
+class Less_Visitor_import extends Less_VisitorReplacing{
+
+	public $_visitor;
+	public $_importer;
+	public $importCount;
+
+	function __construct( $evalEnv ){
+		$this->env = $evalEnv;
+		$this->importCount = 0;
+		parent::__construct();
+	}
+
+
+	function run( $root ){
+		$root = $this->visitObj($root);
+		$this->isFinished = true;
+
+		//if( $this->importCount === 0) {
+		//	$this->_finish();
+		//}
+	}
+
+	function visitImport($importNode, &$visitDeeper ){
+		$importVisitor = $this;
+		$inlineCSS = $importNode->options['inline'];
+
+		if( !$importNode->css || $inlineCSS ){
+			$evaldImportNode = $importNode->compileForImport($this->env);
+
+			if( $evaldImportNode && (!$evaldImportNode->css || $inlineCSS) ){
+				$importNode = $evaldImportNode;
+				$this->importCount++;
+				$env = clone $this->env;
+
+				if( (isset($importNode->options['multiple']) && $importNode->options['multiple']) ){
+					$env->importMultiple = true;
+				}
+
+				//get path & uri
+				$path_and_uri = null;
+				if( is_callable(Less_Parser::$options['import_callback']) ){
+					$path_and_uri = call_user_func(Less_Parser::$options['import_callback'],$importNode);
+				}
+
+				if( !$path_and_uri ){
+					$path_and_uri = $importNode->PathAndUri();
+				}
+
+				if( $path_and_uri ){
+					list($full_path, $uri) = $path_and_uri;
+				}else{
+					$full_path = $uri = $importNode->getPath();
+				}
+
+
+				//import once
+				if( $importNode->skip( $full_path, $env) ){
+					return array();
+				}
+
+				if( $importNode->options['inline'] ){
+					//todo needs to reference css file not import
+					//$contents = new Less_Tree_Anonymous($importNode->root, 0, array('filename'=>$importNode->importedFilename), true );
+
+					Less_Parser::AddParsedFile($full_path);
+					$contents = new Less_Tree_Anonymous( file_get_contents($full_path), 0, array(), true );
+
+					if( $importNode->features ){
+						return new Less_Tree_Media( array($contents), $importNode->features->value );
+					}
+
+					return array( $contents );
+				}
+
+
+				// css ?
+				if( $importNode->css ){
+					$features = ( $importNode->features ? $importNode->features->compile($env) : null );
+					return new Less_Tree_Import( $importNode->compilePath( $env), $features, $importNode->options, $this->index);
+				}
+
+				return $importNode->ParseImport( $full_path, $uri, $env );
+			}
+
+		}
+
+		$visitDeeper = false;
+		return $importNode;
+	}
+
+
+	function visitRule( $ruleNode, &$visitDeeper ){
+		$visitDeeper = false;
+		return $ruleNode;
+	}
+
+	function visitDirective($directiveNode, $visitArgs){
+		array_unshift($this->env->frames,$directiveNode);
+		return $directiveNode;
+	}
+
+	function visitDirectiveOut($directiveNode) {
+		array_shift($this->env->frames);
+	}
+
+	function visitMixinDefinition($mixinDefinitionNode, $visitArgs) {
+		array_unshift($this->env->frames,$mixinDefinitionNode);
+		return $mixinDefinitionNode;
+	}
+
+	function visitMixinDefinitionOut($mixinDefinitionNode) {
+		array_shift($this->env->frames);
+	}
+
+	function visitRuleset($rulesetNode, $visitArgs) {
+		array_unshift($this->env->frames,$rulesetNode);
+		return $rulesetNode;
+	}
+
+	function visitRulesetOut($rulesetNode) {
+		array_shift($this->env->frames);
+	}
+
+	function visitMedia($mediaNode, $visitArgs) {
+		array_unshift($this->env->frames, $mediaNode->ruleset);
+		return $mediaNode;
+	}
+
+	function visitMediaOut($mediaNode) {
+		array_shift($this->env->frames);
+	}
+
+}
+*/
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php
new file mode 100755
index 0000000..bb08ece
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor/joinSelector.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * Join Selector Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_joinSelector extends Less_Visitor {
+
+	public $contexts = array( array() );
+
+	/**
+	 * @param Less_Tree_Ruleset $root
+	 */
+	public function run( $root ) {
+		return $this->visitObj( $root );
+	}
+
+	public function visitRule( $ruleNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	public function visitRuleset( $rulesetNode ) {
+		$paths = array();
+
+		if ( !$rulesetNode->root ) {
+			$selectors = array();
+
+			if ( $rulesetNode->selectors && $rulesetNode->selectors ) {
+				foreach ( $rulesetNode->selectors as $selector ) {
+					if ( $selector->getIsOutput() ) {
+						$selectors[] = $selector;
+					}
+				}
+			}
+
+			if ( !$selectors ) {
+				$rulesetNode->selectors = null;
+				$rulesetNode->rules = null;
+			} else {
+				$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
+				$paths = $rulesetNode->joinSelectors( $context, $selectors );
+			}
+
+			$rulesetNode->paths = $paths;
+		}
+
+		$this->contexts[] = $paths; // different from less.js. Placed after joinSelectors() so that $this->contexts will get correct $paths
+	}
+
+	public function visitRulesetOut() {
+		array_pop( $this->contexts );
+	}
+
+	public function visitMedia( $mediaNode ) {
+		$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
+
+		if ( !count( $context ) || ( is_object( $context[0] ) && $context[0]->multiMedia ) ) {
+			$mediaNode->rules[0]->root = true;
+		}
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php b/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php
new file mode 100755
index 0000000..65082a4
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor/processExtends.php
@@ -0,0 +1,441 @@
+<?php
+
+/**
+ * Process Extends Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_processExtends extends Less_Visitor {
+
+	public $allExtendsStack;
+
+	/**
+	 * @param Less_Tree_Ruleset $root
+	 */
+	public function run( $root ) {
+		$extendFinder = new Less_Visitor_extendFinder();
+		$extendFinder->run( $root );
+		if ( !$extendFinder->foundExtends ) {
+			return $root;
+		}
+
+		$root->allExtends = $this->doExtendChaining( $root->allExtends, $root->allExtends );
+
+		$this->allExtendsStack = array();
+		$this->allExtendsStack[] = &$root->allExtends;
+
+		return $this->visitObj( $root );
+	}
+
+	private function doExtendChaining( $extendsList, $extendsListTarget, $iterationCount = 0 ) {
+		//
+		// chaining is different from normal extension.. if we extend an extend then we are not just copying, altering and pasting
+		// the selector we would do normally, but we are also adding an extend with the same target selector
+		// this means this new extend can then go and alter other extends
+		//
+		// this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors
+		// this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already processed if
+		// we look at each selector at a time, as is done in visitRuleset
+
+		$extendsToAdd = array();
+
+		// loop through comparing every extend with every target extend.
+		// a target extend is the one on the ruleset we are looking at copy/edit/pasting in place
+		// e.g. .a:extend(.b) {} and .b:extend(.c) {} then the first extend extends the second one
+		// and the second is the target.
+		// the separation into two lists allows us to process a subset of chains with a bigger set, as is the
+		// case when processing media queries
+		for ( $extendIndex = 0, $extendsList_len = count( $extendsList ); $extendIndex < $extendsList_len; $extendIndex++ ) {
+			for ( $targetExtendIndex = 0; $targetExtendIndex < count( $extendsListTarget ); $targetExtendIndex++ ) {
+
+				$extend = $extendsList[$extendIndex];
+				$targetExtend = $extendsListTarget[$targetExtendIndex];
+
+				// Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14>
+				if ( \array_key_exists( $targetExtend->object_id, $extend->parent_ids ) ) {
+					// ignore circular references
+					continue;
+				}
+
+				// find a match in the target extends self selector (the bit before :extend)
+				$selectorPath = array( $targetExtend->selfSelectors[0] );
+				$matches = $this->findMatch( $extend, $selectorPath );
+
+				if ( $matches ) {
+
+					// we found a match, so for each self selector..
+					foreach ( $extend->selfSelectors as $selfSelector ) {
+
+						// process the extend as usual
+						$newSelector = $this->extendSelector( $matches, $selectorPath, $selfSelector );
+
+						// but now we create a new extend from it
+						$newExtend = new Less_Tree_Extend( $targetExtend->selector, $targetExtend->option, 0 );
+						$newExtend->selfSelectors = $newSelector;
+
+						// add the extend onto the list of extends for that selector
+						end( $newSelector )->extendList = array( $newExtend );
+						// $newSelector[ count($newSelector)-1]->extendList = array($newExtend);
+
+						// record that we need to add it.
+						$extendsToAdd[] = $newExtend;
+						$newExtend->ruleset = $targetExtend->ruleset;
+
+						// remember its parents for circular references
+						$newExtend->parent_ids = array_merge( $newExtend->parent_ids, $targetExtend->parent_ids, $extend->parent_ids );
+
+						// only process the selector once.. if we have :extend(.a,.b) then multiple
+						// extends will look at the same selector path, so when extending
+						// we know that any others will be duplicates in terms of what is added to the css
+						if ( $targetExtend->firstExtendOnThisSelectorPath ) {
+							$newExtend->firstExtendOnThisSelectorPath = true;
+							$targetExtend->ruleset->paths[] = $newSelector;
+						}
+					}
+				}
+			}
+		}
+
+		if ( $extendsToAdd ) {
+			// try to detect circular references to stop a stack overflow.
+			// may no longer be needed.			$this->extendChainCount++;
+			if ( $iterationCount > 100 ) {
+
+				try{
+					$selectorOne = $extendsToAdd[0]->selfSelectors[0]->toCSS();
+					$selectorTwo = $extendsToAdd[0]->selector->toCSS();
+				}catch ( Exception $e ) {
+					$selectorOne = "{unable to calculate}";
+					$selectorTwo = "{unable to calculate}";
+				}
+
+				throw new Less_Exception_Parser( "extend circular reference detected. One of the circular extends is currently:" . $selectorOne . ":extend(" . $selectorTwo . ")" );
+			}
+
+			// now process the new extends on the existing rules so that we can handle a extending b extending c ectending d extending e...
+			$extendsToAdd = $this->doExtendChaining( $extendsToAdd, $extendsListTarget, $iterationCount + 1 );
+		}
+
+		return array_merge( $extendsList, $extendsToAdd );
+	}
+
+	protected function visitRule( $ruleNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	protected function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	protected function visitSelector( $selectorNode, &$visitDeeper ) {
+		$visitDeeper = false;
+	}
+
+	protected function visitRuleset( $rulesetNode ) {
+		if ( $rulesetNode->root ) {
+			return;
+		}
+
+		$allExtends	= end( $this->allExtendsStack );
+		$paths_len = count( $rulesetNode->paths );
+
+		// look at each selector path in the ruleset, find any extend matches and then copy, find and replace
+		foreach ( $allExtends as $allExtend ) {
+			for ( $pathIndex = 0; $pathIndex < $paths_len; $pathIndex++ ) {
+
+				// extending extends happens initially, before the main pass
+				if ( isset( $rulesetNode->extendOnEveryPath ) && $rulesetNode->extendOnEveryPath ) {
+					continue;
+				}
+
+				$selectorPath = $rulesetNode->paths[$pathIndex];
+
+				if ( end( $selectorPath )->extendList ) {
+					continue;
+				}
+
+				$this->ExtendMatch( $rulesetNode, $allExtend, $selectorPath );
+
+			}
+		}
+	}
+
+	private function ExtendMatch( $rulesetNode, $extend, $selectorPath ) {
+		$matches = $this->findMatch( $extend, $selectorPath );
+
+		if ( $matches ) {
+			foreach ( $extend->selfSelectors as $selfSelector ) {
+				$rulesetNode->paths[] = $this->extendSelector( $matches, $selectorPath, $selfSelector );
+			}
+		}
+	}
+
+	private function findMatch( $extend, $haystackSelectorPath ) {
+		if ( !$this->HasMatches( $extend, $haystackSelectorPath ) ) {
+			return false;
+		}
+
+		//
+		// look through the haystack selector path to try and find the needle - extend.selector
+		// returns an array of selector matches that can then be replaced
+		//
+		$needleElements = $extend->selector->elements;
+		$potentialMatches = array();
+		$potentialMatches_len = 0;
+		$potentialMatch = null;
+		$matches = array();
+
+		// loop through the haystack elements
+		$haystack_path_len = count( $haystackSelectorPath );
+		for ( $haystackSelectorIndex = 0; $haystackSelectorIndex < $haystack_path_len; $haystackSelectorIndex++ ) {
+			$hackstackSelector = $haystackSelectorPath[$haystackSelectorIndex];
+
+			$haystack_elements_len = count( $hackstackSelector->elements );
+			for ( $hackstackElementIndex = 0; $hackstackElementIndex < $haystack_elements_len; $hackstackElementIndex++ ) {
+
+				$haystackElement = $hackstackSelector->elements[$hackstackElementIndex];
+
+				// if we allow elements before our match we can add a potential match every time. otherwise only at the first element.
+				if ( $extend->allowBefore || ( $haystackSelectorIndex === 0 && $hackstackElementIndex === 0 ) ) {
+					$potentialMatches[] = array( 'pathIndex' => $haystackSelectorIndex, 'index' => $hackstackElementIndex, 'matched' => 0, 'initialCombinator' => $haystackElement->combinator );
+					$potentialMatches_len++;
+				}
+
+				for ( $i = 0; $i < $potentialMatches_len; $i++ ) {
+
+					$potentialMatch = &$potentialMatches[$i];
+					$potentialMatch = $this->PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex );
+
+					// if we are still valid and have finished, test whether we have elements after and whether these are allowed
+					if ( $potentialMatch && $potentialMatch['matched'] === $extend->selector->elements_len ) {
+						$potentialMatch['finished'] = true;
+
+						if ( !$extend->allowAfter && ( $hackstackElementIndex + 1 < $haystack_elements_len || $haystackSelectorIndex + 1 < $haystack_path_len ) ) {
+							$potentialMatch = null;
+						}
+					}
+
+					// if null we remove, if not, we are still valid, so either push as a valid match or continue
+					if ( $potentialMatch ) {
+						if ( $potentialMatch['finished'] ) {
+							$potentialMatch['length'] = $extend->selector->elements_len;
+							$potentialMatch['endPathIndex'] = $haystackSelectorIndex;
+							$potentialMatch['endPathElementIndex'] = $hackstackElementIndex + 1; // index after end of match
+							$potentialMatches = array(); // we don't allow matches to overlap, so start matching again
+							$potentialMatches_len = 0;
+							$matches[] = $potentialMatch;
+						}
+						continue;
+					}
+
+					array_splice( $potentialMatches, $i, 1 );
+					$potentialMatches_len--;
+					$i--;
+				}
+			}
+		}
+
+		return $matches;
+	}
+
+	// Before going through all the nested loops, lets check to see if a match is possible
+	// Reduces Bootstrap 3.1 compile time from ~6.5s to ~5.6s
+	private function HasMatches( $extend, $haystackSelectorPath ) {
+		if ( !$extend->selector->cacheable ) {
+			return true;
+		}
+
+		$first_el = $extend->selector->_oelements[0];
+
+		foreach ( $haystackSelectorPath as $hackstackSelector ) {
+			if ( !$hackstackSelector->cacheable ) {
+				return true;
+			}
+
+			// Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14>
+			if ( \array_key_exists( $first_el, $hackstackSelector->_oelements_assoc ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param integer $hackstackElementIndex
+	 */
+	private function PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex ) {
+		if ( $potentialMatch['matched'] > 0 ) {
+
+			// selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't
+			// then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to work out
+			// what the resulting combinator will be
+			$targetCombinator = $haystackElement->combinator;
+			if ( $targetCombinator === '' && $hackstackElementIndex === 0 ) {
+				$targetCombinator = ' ';
+			}
+
+			if ( $needleElements[ $potentialMatch['matched'] ]->combinator !== $targetCombinator ) {
+				return null;
+			}
+		}
+
+		// if we don't match, null our match to indicate failure
+		if ( !$this->isElementValuesEqual( $needleElements[$potentialMatch['matched'] ]->value, $haystackElement->value ) ) {
+			return null;
+		}
+
+		$potentialMatch['finished'] = false;
+		$potentialMatch['matched']++;
+
+		return $potentialMatch;
+	}
+
+	private function isElementValuesEqual( $elementValue1, $elementValue2 ) {
+		if ( $elementValue1 === $elementValue2 ) {
+			return true;
+		}
+
+		if ( is_string( $elementValue1 ) || is_string( $elementValue2 ) ) {
+			return false;
+		}
+
+		if ( $elementValue1 instanceof Less_Tree_Attribute ) {
+			return $this->isAttributeValuesEqual( $elementValue1, $elementValue2 );
+		}
+
+		$elementValue1 = $elementValue1->value;
+		if ( $elementValue1 instanceof Less_Tree_Selector ) {
+			return $this->isSelectorValuesEqual( $elementValue1, $elementValue2 );
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param Less_Tree_Selector $elementValue1
+	 */
+	private function isSelectorValuesEqual( $elementValue1, $elementValue2 ) {
+		$elementValue2 = $elementValue2->value;
+		if ( !( $elementValue2 instanceof Less_Tree_Selector ) || $elementValue1->elements_len !== $elementValue2->elements_len ) {
+			return false;
+		}
+
+		for ( $i = 0; $i < $elementValue1->elements_len; $i++ ) {
+
+			if ( $elementValue1->elements[$i]->combinator !== $elementValue2->elements[$i]->combinator ) {
+				if ( $i !== 0 || ( $elementValue1->elements[$i]->combinator || ' ' ) !== ( $elementValue2->elements[$i]->combinator || ' ' ) ) {
+					return false;
+				}
+			}
+
+			if ( !$this->isElementValuesEqual( $elementValue1->elements[$i]->value, $elementValue2->elements[$i]->value ) ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param Less_Tree_Attribute $elementValue1
+	 */
+	private function isAttributeValuesEqual( $elementValue1, $elementValue2 ) {
+		if ( $elementValue1->op !== $elementValue2->op || $elementValue1->key !== $elementValue2->key ) {
+			return false;
+		}
+
+		if ( !$elementValue1->value || !$elementValue2->value ) {
+			if ( $elementValue1->value || $elementValue2->value ) {
+				return false;
+			}
+			return true;
+		}
+
+		$elementValue1 = ( $elementValue1->value->value ? $elementValue1->value->value : $elementValue1->value );
+		$elementValue2 = ( $elementValue2->value->value ? $elementValue2->value->value : $elementValue2->value );
+
+		return $elementValue1 === $elementValue2;
+	}
+
+	private function extendSelector( $matches, $selectorPath, $replacementSelector ) {
+		// for a set of matches, replace each match with the replacement selector
+
+		$currentSelectorPathIndex = 0;
+		$currentSelectorPathElementIndex = 0;
+		$path = array();
+		$selectorPath_len = count( $selectorPath );
+
+		for ( $matchIndex = 0, $matches_len = count( $matches ); $matchIndex < $matches_len; $matchIndex++ ) {
+
+			$match = $matches[$matchIndex];
+			$selector = $selectorPath[ $match['pathIndex'] ];
+
+			$firstElement = new Less_Tree_Element(
+				$match['initialCombinator'],
+				$replacementSelector->elements[0]->value,
+				$replacementSelector->elements[0]->index,
+				$replacementSelector->elements[0]->currentFileInfo
+			);
+
+			if ( $match['pathIndex'] > $currentSelectorPathIndex && $currentSelectorPathElementIndex > 0 ) {
+				$last_path = end( $path );
+				$last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) );
+				$currentSelectorPathElementIndex = 0;
+				$currentSelectorPathIndex++;
+			}
+
+			$newElements = array_merge(
+				array_slice( $selector->elements, $currentSelectorPathElementIndex, ( $match['index'] - $currentSelectorPathElementIndex ) ), // last parameter of array_slice is different than the last parameter of javascript's slice
+				 array( $firstElement ),
+				 array_slice( $replacementSelector->elements, 1 )
+				);
+
+			if ( $currentSelectorPathIndex === $match['pathIndex'] && $matchIndex > 0 ) {
+				$last_key = count( $path ) - 1;
+				$path[$last_key]->elements = array_merge( $path[$last_key]->elements, $newElements );
+			} else {
+				$path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $match['pathIndex'] ) );
+				$path[] = new Less_Tree_Selector( $newElements );
+			}
+
+			$currentSelectorPathIndex = $match['endPathIndex'];
+			$currentSelectorPathElementIndex = $match['endPathElementIndex'];
+			if ( $currentSelectorPathElementIndex >= count( $selectorPath[$currentSelectorPathIndex]->elements ) ) {
+				$currentSelectorPathElementIndex = 0;
+				$currentSelectorPathIndex++;
+			}
+		}
+
+		if ( $currentSelectorPathIndex < $selectorPath_len && $currentSelectorPathElementIndex > 0 ) {
+			$last_path = end( $path );
+			$last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) );
+			$currentSelectorPathIndex++;
+		}
+
+		$slice_len = $selectorPath_len - $currentSelectorPathIndex;
+		$path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $slice_len ) );
+
+		return $path;
+	}
+
+	protected function visitMedia( $mediaNode ) {
+		$newAllExtends = array_merge( $mediaNode->allExtends, end( $this->allExtendsStack ) );
+		$this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $mediaNode->allExtends );
+	}
+
+	protected function visitMediaOut() {
+		array_pop( $this->allExtendsStack );
+	}
+
+	protected function visitDirective( $directiveNode ) {
+		$newAllExtends = array_merge( $directiveNode->allExtends, end( $this->allExtendsStack ) );
+		$this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $directiveNode->allExtends );
+	}
+
+	protected function visitDirectiveOut() {
+		array_pop( $this->allExtendsStack );
+	}
+
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php b/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php
new file mode 100755
index 0000000..e90f211
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Visitor/toCSS.php
@@ -0,0 +1,280 @@
+<?php
+
+/**
+ * toCSS Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_Visitor_toCSS extends Less_VisitorReplacing {
+
+	private $charset;
+
+	public function __construct() {
+		parent::__construct();
+	}
+
+	/**
+	 * @param Less_Tree_Ruleset $root
+	 */
+	public function run( $root ) {
+		return $this->visitObj( $root );
+	}
+
+	public function visitRule( $ruleNode ) {
+		if ( $ruleNode->variable ) {
+			return array();
+		}
+		return $ruleNode;
+	}
+
+	public function visitMixinDefinition( $mixinNode ) {
+		// mixin definitions do not get eval'd - this means they keep state
+		// so we have to clear that state here so it isn't used if toCSS is called twice
+		$mixinNode->frames = array();
+		return array();
+	}
+
+	public function visitExtend() {
+		return array();
+	}
+
+	public function visitComment( $commentNode ) {
+		if ( $commentNode->isSilent() ) {
+			return array();
+		}
+		return $commentNode;
+	}
+
+	public function visitMedia( $mediaNode, &$visitDeeper ) {
+		$mediaNode->accept( $this );
+		$visitDeeper = false;
+
+		if ( !$mediaNode->rules ) {
+			return array();
+		}
+		return $mediaNode;
+	}
+
+	public function visitDirective( $directiveNode ) {
+		if ( isset( $directiveNode->currentFileInfo['reference'] ) && ( !property_exists( $directiveNode, 'isReferenced' ) || !$directiveNode->isReferenced ) ) {
+			return array();
+		}
+		if ( $directiveNode->name === '@charset' ) {
+			// Only output the debug info together with subsequent @charset definitions
+			// a comment (or @media statement) before the actual @charset directive would
+			// be considered illegal css as it has to be on the first line
+			if ( isset( $this->charset ) && $this->charset ) {
+
+				// if( $directiveNode->debugInfo ){
+				//	$comment = new Less_Tree_Comment('/* ' . str_replace("\n",'',$directiveNode->toCSS())." */\n");
+				//	$comment->debugInfo = $directiveNode->debugInfo;
+				//	return $this->visit($comment);
+				//}
+
+				return array();
+			}
+			$this->charset = true;
+		}
+		return $directiveNode;
+	}
+
+	public function checkPropertiesInRoot( $rulesetNode ) {
+		if ( !$rulesetNode->firstRoot ) {
+			return;
+		}
+
+		foreach ( $rulesetNode->rules as $ruleNode ) {
+			if ( $ruleNode instanceof Less_Tree_Rule && !$ruleNode->variable ) {
+				$msg = "properties must be inside selector blocks, they cannot be in the root. Index ".$ruleNode->index.( $ruleNode->currentFileInfo ? ( ' Filename: '.$ruleNode->currentFileInfo['filename'] ) : null );
+				throw new Less_Exception_Compiler( $msg );
+			}
+		}
+	}
+
+	public function visitRuleset( $rulesetNode, &$visitDeeper ) {
+		$visitDeeper = false;
+
+		$this->checkPropertiesInRoot( $rulesetNode );
+
+		if ( $rulesetNode->root ) {
+			return $this->visitRulesetRoot( $rulesetNode );
+		}
+
+		$rulesets = array();
+		$rulesetNode->paths = $this->visitRulesetPaths( $rulesetNode );
+
+		// Compile rules and rulesets
+		$nodeRuleCnt = $rulesetNode->rules ? count( $rulesetNode->rules ) : 0;
+		for ( $i = 0; $i < $nodeRuleCnt; ) {
+			$rule = $rulesetNode->rules[$i];
+
+			if ( property_exists( $rule, 'rules' ) ) {
+				// visit because we are moving them out from being a child
+				$rulesets[] = $this->visitObj( $rule );
+				array_splice( $rulesetNode->rules, $i, 1 );
+				$nodeRuleCnt--;
+				continue;
+			}
+			$i++;
+		}
+
+		// accept the visitor to remove rules and refactor itself
+		// then we can decide now whether we want it or not
+		if ( $nodeRuleCnt > 0 ) {
+			$rulesetNode->accept( $this );
+
+			if ( $rulesetNode->rules ) {
+
+				if ( count( $rulesetNode->rules ) > 1 ) {
+					$this->_mergeRules( $rulesetNode->rules );
+					$this->_removeDuplicateRules( $rulesetNode->rules );
+				}
+
+				// now decide whether we keep the ruleset
+				if ( $rulesetNode->paths ) {
+					// array_unshift($rulesets, $rulesetNode);
+					array_splice( $rulesets, 0, 0, array( $rulesetNode ) );
+				}
+			}
+
+		}
+
+		if ( count( $rulesets ) === 1 ) {
+			return $rulesets[0];
+		}
+		return $rulesets;
+	}
+
+	/**
+	 * Helper function for visitiRuleset
+	 *
+	 * return array|Less_Tree_Ruleset
+	 */
+	private function visitRulesetRoot( $rulesetNode ) {
+		$rulesetNode->accept( $this );
+		if ( $rulesetNode->firstRoot || $rulesetNode->rules ) {
+			return $rulesetNode;
+		}
+		return array();
+	}
+
+	/**
+	 * Helper function for visitRuleset()
+	 *
+	 * @return array
+	 */
+	private function visitRulesetPaths( $rulesetNode ) {
+		$paths = array();
+		foreach ( $rulesetNode->paths as $p ) {
+			if ( $p[0]->elements[0]->combinator === ' ' ) {
+				$p[0]->elements[0]->combinator = '';
+			}
+
+			foreach ( $p as $pi ) {
+				if ( $pi->getIsReferenced() && $pi->getIsOutput() ) {
+					$paths[] = $p;
+					break;
+				}
+			}
+		}
+
+		return $paths;
+	}
+
+	protected function _removeDuplicateRules( &$rules ) {
+		// remove duplicates
+		$ruleCache = array();
+		for ( $i = count( $rules ) - 1; $i >= 0; $i-- ) {
+			$rule = $rules[$i];
+			if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_NameValue ) {
+
+				if ( !isset( $ruleCache[$rule->name] ) ) {
+					$ruleCache[$rule->name] = $rule;
+				} else {
+					$ruleList =& $ruleCache[$rule->name];
+
+					if ( $ruleList instanceof Less_Tree_Rule || $ruleList instanceof Less_Tree_NameValue ) {
+						$ruleList = $ruleCache[$rule->name] = array( $ruleCache[$rule->name]->toCSS() );
+					}
+
+					$ruleCSS = $rule->toCSS();
+					if ( array_search( $ruleCSS, $ruleList ) !== false ) {
+						array_splice( $rules, $i, 1 );
+					} else {
+						$ruleList[] = $ruleCSS;
+					}
+				}
+			}
+		}
+	}
+
+	protected function _mergeRules( &$rules ) {
+		$groups = array();
+
+		// obj($rules);
+
+		$rules_len = count( $rules );
+		for ( $i = 0; $i < $rules_len; $i++ ) {
+			$rule = $rules[$i];
+
+			if ( ( $rule instanceof Less_Tree_Rule ) && $rule->merge ) {
+
+				$key = $rule->name;
+				if ( $rule->important ) {
+					$key .= ',!';
+				}
+
+				if ( !isset( $groups[$key] ) ) {
+					$groups[$key] = array();
+				} else {
+					array_splice( $rules, $i--, 1 );
+					$rules_len--;
+				}
+
+				$groups[$key][] = $rule;
+			}
+		}
+
+		foreach ( $groups as $parts ) {
+
+			if ( count( $parts ) > 1 ) {
+				$rule = $parts[0];
+				$spacedGroups = array();
+				$lastSpacedGroup = array();
+				$parts_mapped = array();
+				foreach ( $parts as $p ) {
+					if ( $p->merge === '+' ) {
+						if ( $lastSpacedGroup ) {
+							$spacedGroups[] = self::toExpression( $lastSpacedGroup );
+						}
+						$lastSpacedGroup = array();
+					}
+					$lastSpacedGroup[] = $p;
+				}
+
+				$spacedGroups[] = self::toExpression( $lastSpacedGroup );
+				$rule->value = self::toValue( $spacedGroups );
+			}
+		}
+
+	}
+
+	public static function toExpression( $values ) {
+		$mapped = array();
+		foreach ( $values as $p ) {
+			$mapped[] = $p->value;
+		}
+		return new Less_Tree_Expression( $mapped );
+	}
+
+	public static function toValue( $values ) {
+		// return new Less_Tree_Value($values); ??
+
+		$mapped = array();
+		foreach ( $values as $p ) {
+			$mapped[] = $p;
+		}
+		return new Less_Tree_Value( $mapped );
+	}
+}
diff --git a/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php b/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php
new file mode 100755
index 0000000..cd401ad
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/VisitorReplacing.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Replacing Visitor
+ *
+ * @package Less
+ * @subpackage visitor
+ */
+class Less_VisitorReplacing extends Less_Visitor {
+
+	public function visitObj( $node ) {
+		$funcName = 'visit'.$node->type;
+		if ( isset( $this->_visitFnCache[$funcName] ) ) {
+
+			$visitDeeper = true;
+			$node = $this->$funcName( $node, $visitDeeper );
+
+			if ( $node ) {
+				if ( $visitDeeper && is_object( $node ) ) {
+					$node->accept( $this );
+				}
+
+				$funcName = $funcName . "Out";
+				if ( isset( $this->_visitFnCache[$funcName] ) ) {
+					$this->$funcName( $node );
+				}
+			}
+
+		} else {
+			$node->accept( $this );
+		}
+
+		return $node;
+	}
+
+	public function visitArray( $nodes ) {
+		$newNodes = array();
+		foreach ( $nodes as $node ) {
+			$evald = $this->visitObj( $node );
+			if ( $evald ) {
+				if ( is_array( $evald ) ) {
+					self::flatten( $evald, $newNodes );
+				} else {
+					$newNodes[] = $evald;
+				}
+			}
+		}
+		return $newNodes;
+	}
+
+	public function flatten( $arr, &$out ) {
+		foreach ( $arr as $item ) {
+			if ( !is_array( $item ) ) {
+				$out[] = $item;
+				continue;
+			}
+
+			foreach ( $item as $nestedItem ) {
+				if ( is_array( $nestedItem ) ) {
+					self::flatten( $nestedItem, $out );
+				} else {
+					$out[] = $nestedItem;
+				}
+			}
+		}
+
+		return $out;
+	}
+
+}