#!/usr/bin/env php new Identicon(new GdGenerator()), 'identicon ImageMagick' => new Identicon(new ImageMagickGenerator()), 'identicon SVG' => new Identicon(new SvgGenerator()), ); $jdenticon = new Jdenticon(array( 'size' => 16, 'style' => array( 'backgroundColor' => '#fff0', // fully transparent, for dark mode 'padding' => 0, ), )); $jdenticonGenerators = array( 'jdenticon PNG' => 'png', 'jdenticon SVG' => 'svg', ); $results = array( 'vizhash' => array( 'lengths' => array(), 'time' => 0 ), 'identicon GD' => array( 'lengths' => array(), 'time' => 0 ), 'identicon ImageMagick' => array( 'lengths' => array(), 'time' => 0 ), 'identicon SVG' => array( 'lengths' => array(), 'time' => 0 ), 'jdenticon PNG' => array( 'lengths' => array(), 'time' => 0 ), 'jdenticon SVG' => array( 'lengths' => array(), 'time' => 0 ), ); $hmacs = array(); echo 'generate ', ITERATIONS, ' hmacs and pre-populate the result array, so tests wont be slowed down', PHP_EOL; for ($i = 0; $i < ITERATIONS; ++$i) { $hmacs[$i] = hash_hmac('sha512', '127.0.0.1', bin2hex(random_bytes(256))); foreach (array_keys($results) as $test) { $results[$test]['lengths'][$i] = 0; } } echo 'run vizhash tests', PHP_EOL; $start = microtime(true); foreach ($hmacs as $i => $hmac) { $data = 'data:image/png;base64,' . base64_encode( $vizhash->generate($hmac) ); $results['vizhash']['lengths'][$i] = strlen($data); } $results['vizhash']['time'] = microtime(true) - $start; foreach ($identiconGenerators as $key => $identicon) { echo 'run ', $key,' tests', PHP_EOL; $start = microtime(true); foreach ($hmacs as $i => $hmac) { $data = $identicon->getImageDataUri($hmac, 16); $results[$key]['lengths'][$i] = strlen($data); } $results[$key]['time'] = microtime(true) - $start; } foreach ($jdenticonGenerators as $key => $format) { echo 'run ', $key,' tests', PHP_EOL; $start = microtime(true); foreach ($hmacs as $i => $hmac) { $jdenticon->setHash($hmac); $data = $jdenticon->getImageDataUri($format); $results[$key]['lengths'][$i] = strlen($data); } $results[$key]['time'] = microtime(true) - $start; } define( 'PADDING_LENGTH', max( array_map( function ($key) { return strlen($key); }, array_keys($results) ) ) + 1 ); function format_result_line($generator, $min, $max, $avg, $sec) { echo str_pad($generator, PADDING_LENGTH, ' '), "\t", str_pad($min, 4, ' ', STR_PAD_LEFT), "\t", str_pad($max, 4, ' ', STR_PAD_LEFT), "\t", str_pad($avg, 4, ' ', STR_PAD_LEFT), "\t", str_pad($sec, 7, ' ', STR_PAD_LEFT), PHP_EOL; } echo PHP_EOL; format_result_line('Generator:', 'min', 'max', 'avg', 'seconds'); format_result_line( str_repeat('─', PADDING_LENGTH), str_repeat('─', 4), str_repeat('─', 4), str_repeat('─', 4), str_repeat('─', 7) ); foreach ($results as $generator => $result) { sort($result['lengths']); format_result_line( $generator . ':', $result['lengths'][0], $result['lengths'][ITERATIONS-1], round(array_sum($result['lengths']) / ITERATIONS), round($result['time'], 3) ); }