paste.chapril.org-privatebin/lib/Json.php

79 lines
1.7 KiB
PHP

<?php
/**
* PrivateBin
*
* a zero-knowledge paste bin
*
* @link https://github.com/PrivateBin/PrivateBin
* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
* @version 1.3.4
*/
namespace PrivateBin;
use Exception;
/**
* Json
*
* Provides JSON functions in an object oriented way.
*/
class Json
{
/**
* Returns a string containing the JSON representation of the given input
*
* @access public
* @static
* @param mixed $input
* @throws Exception
* @return string
*/
public static function encode($input)
{
$jsonString = json_encode($input);
self::_detectError();
return $jsonString;
}
/**
* Returns an array with the contents as described in the given JSON input
*
* @access public
* @static
* @param string $input
* @throws Exception
* @return array
*/
public static function decode($input)
{
$array = json_decode($input, true);
self::_detectError();
return $array;
}
/**
* Detects JSON errors and raises an exception if one is found
*
* @access private
* @static
* @throws Exception
* @return void
*/
private static function _detectError()
{
$errorCode = json_last_error();
if ($errorCode === JSON_ERROR_NONE) {
return;
}
$message = 'A JSON error occurred';
if (function_exists('json_last_error_msg')) {
$message .= ': ' . json_last_error_msg();
}
$message .= ' (' . $errorCode . ')';
throw new Exception($message, 90);
}
}