70 lines
2.0 KiB
PHP
70 lines
2.0 KiB
PHP
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<?php
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namespace Illuminate\Support;
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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 was originally copied from Symfony 3.
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*/
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class ProcessUtils
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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 $argument
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* @return string
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*/
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public static function escapeArgument($argument)
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{
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// Fix for PHP bug #43784 escapeshellarg removes % from given string
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// Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
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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 ('\\' === DIRECTORY_SEPARATOR) {
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if ($argument === '') {
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return '""';
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}
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$escapedArgument = '';
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$quote = false;
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foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
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if ($part === '"') {
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$escapedArgument .= '\\"';
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} elseif (self::isSurroundedBy($part, '%')) {
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// Avoid environment variable expansion
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$escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
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} else {
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// escape trailing backslash
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if (str_ends_with($part, '\\')) {
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$part .= '\\';
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}
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$quote = true;
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$escapedArgument .= $part;
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}
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}
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if ($quote) {
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$escapedArgument = '"'.$escapedArgument.'"';
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}
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return $escapedArgument;
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}
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return "'".str_replace("'", "'\\''", $argument)."'";
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}
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/**
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* Is the given string surrounded by the given character?
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*
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* @param string $arg
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* @param string $char
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* @return bool
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*/
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protected static function isSurroundedBy($arg, $char)
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{
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return strlen($arg) > 2 && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
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}
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}
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