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File Content: `ProcessUtils.php`

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Process;

/**
 * ProcessUtils is a bunch of utility methods.
 *
 * This class contains static methods only and is not meant to be instantiated.
 *
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class ProcessUtils
{
    /**
     * This class should not be instantiated
     */
    private function __construct()
    {
    }

    /**
     * Escapes a string to be used as a shell argument.
     *
     * @param string $argument The argument that will be escaped
     *
     * @return string The escaped argument
     */
    public static function escapeArgument($argument)
    {
        //Fix for PHP bug #43784 escapeshellarg removes % from given string
        //Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
        //@see https://bugs.php.net/bug.php?id=43784
        //@see https://bugs.php.net/bug.php?id=49446
        if (defined('PHP_WINDOWS_VERSION_BUILD')) {
            if ('' === $argument) {
                return escapeshellarg($argument);
            }

            $escapedArgument = '';
            $quote =  false;
            foreach (preg_split('/(")/i', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
                if ('"' === $part) {
                    $escapedArgument .= '\\"';
                } elseif (self::isSurroundedBy($part, '%')) {
                    // Avoid environment variable expansion
                    $escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
                } else {
                    // escape trailing backslash
                    if ('\\' === substr($part, -1)) {
                        $part .= '\\';
                    }
                    $quote = true;
                    $escapedArgument .= $part;
                }
            }
            if ($quote) {
                $escapedArgument = '"'.$escapedArgument.'"';
            }

            return $escapedArgument;
        }

        return escapeshellarg($argument);
    }

    private static function isSurroundedBy($arg, $char)
    {
        return 2 < strlen($arg) && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
    }
}

Name	Size	Permission
Exception	---	0755
ExecutableFinder.php	2581 bytes	0644
PhpExecutableFinder.php	1679 bytes	0644
PhpProcess.php	1818 bytes	0644
Process.php	38431 bytes	0644
ProcessBuilder.php	3972 bytes	0644
ProcessPipes.php	10219 bytes	0644
ProcessUtils.php	2380 bytes	0644
autoloader.php	337 bytes	0644

File Content: ProcessUtils.php

File Content: `ProcessUtils.php`