/usr/share/php/PHP/Compat/Function/str_shuffle.php is in php-compat 1.6.0a3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Replace str_shuffle()
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/function.str_shuffle
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 4.3.0
* @require PHP 4.0.0 (user_error)
*/
function php_compat_str_shuffle($str)
{
// Cast
$str = (string) $str;
// Swap random character from [0..$i] to position [$i].
for ($i = strlen($str) - 1; $i >= 0; $i--) {
$j = mt_rand(0, $i);
$tmp = $str[$i];
$str[$i] = $str[$j];
$str[$j] = $tmp;
}
return $str;
}
// Define
if (!function_exists('str_shuffle')) {
function str_shuffle($str)
{
return php_compat_str_shuffle($str);
}
}
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