2013-01-18 12:53:35 +00:00
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Process;
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/**
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* ProcessUtils is a bunch of utility methods.
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*
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* This class contains static methods only and is not meant to be instantiated.
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*
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* @author Martin Hasoň <martin.hason@gmail.com>
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*/
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class ProcessUtils
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{
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/**
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* This class should not be instantiated
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*/
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private function __construct()
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{
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}
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/**
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* Escapes a string to be used as a shell argument.
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*
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* @param string $argument The argument that will be escaped
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*
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* @return string The escaped argument
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*/
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public static function escapeArgument($argument)
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{
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//Fix for PHP bug #43784 escapeshellarg removes % from given string
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2013-12-27 15:08:19 +00:00
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//Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
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2013-01-18 12:53:35 +00:00
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//@see https://bugs.php.net/bug.php?id=43784
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//@see https://bugs.php.net/bug.php?id=49446
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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2013-08-07 23:27:53 +01:00
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if ('' === $argument) {
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return escapeshellarg($argument);
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}
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2013-01-18 12:53:35 +00:00
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$escapedArgument = '';
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2013-09-09 21:28:39 +01:00
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$quote = false;
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2013-07-01 13:24:43 +01:00
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foreach (preg_split('/([%"])/i', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
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2013-08-07 23:27:53 +01:00
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if ('"' === $part) {
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2013-01-18 12:53:35 +00:00
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$escapedArgument .= '\\"';
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2013-08-07 23:27:53 +01:00
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} elseif ('%' === $part) {
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2013-01-18 12:53:35 +00:00
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$escapedArgument .= '^%';
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} else {
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2014-03-12 14:41:28 +00:00
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if ('\\' === substr($part, -1)) {
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$part .= '\\';
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}
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2013-09-09 21:28:39 +01:00
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$part = escapeshellarg($part);
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if ($part[0] === '"' && $part[strlen($part) - 1] === '"') {
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$part = substr($part, 1, -1);
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$quote = true;
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}
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$escapedArgument .= $part;
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2013-01-18 12:53:35 +00:00
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}
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}
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2013-09-09 21:28:39 +01:00
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if ($quote) {
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$escapedArgument = '"' . $escapedArgument . '"';
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}
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2013-01-18 12:53:35 +00:00
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return $escapedArgument;
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}
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return escapeshellarg($argument);
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}
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}
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