C:/xampp/htdocs/moodle/lib/minify/lib/Minify/YUICompressor.php

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<?php
class Minify_YUICompressor {

    public static $jarFile = null;
    
    public static $tempDir = null;
    
    public static $javaExecutable = 'java';
    
    public static function minifyJs($js, $options = array())
    {
        return self::_minify('js', $js, $options);
    }
    
    public static function minifyCss($css, $options = array())
    {
        return self::_minify('css', $css, $options);
    }
    
    private static function _minify($type, $content, $options)
    {
        self::_prepare();
        if (! ($tmpFile = tempnam(self::$tempDir, 'yuic_'))) {
            throw new Exception('Minify_YUICompressor : could not create temp file.');
        }
        file_put_contents($tmpFile, $content);
        exec(self::_getCmd($options, $type, $tmpFile), $output);
        unlink($tmpFile);
        return implode("\n", $output);
    }
    
    private static function _getCmd($userOptions, $type, $tmpFile)
    {
        $o = array_merge(
            array(
                'charset' => ''
                ,'line-break' => 5000
                ,'type' => $type
                ,'nomunge' => false
                ,'preserve-semi' => false
                ,'disable-optimizations' => false
            )
            ,$userOptions
        );
        $cmd = self::$javaExecutable . ' -jar ' . escapeshellarg(self::$jarFile)
             . " --type {$type}"
             . (preg_match('/^[a-zA-Z\\-]+$/', $o['charset']) 
                ? " --charset {$o['charset']}" 
                : '')
             . (is_numeric($o['line-break']) && $o['line-break'] >= 0
                ? ' --line-break ' . (int)$o['line-break']
                : '');
        if ($type === 'js') {
            foreach (array('nomunge', 'preserve-semi', 'disable-optimizations') as $opt) {
                $cmd .= $o[$opt] 
                    ? " --{$opt}"
                    : '';
            }
        }
        return $cmd . ' ' . escapeshellarg($tmpFile);
    }
    
    private static function _prepare()
    {
        if (! is_file(self::$jarFile) 
            || ! is_dir(self::$tempDir)
            || ! is_writable(self::$tempDir)
        ) {
            throw new Exception('Minify_YUICompressor : $jarFile and $tempDir must be set.');
        }
    }
}