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<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Aidan Lister <aidan@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: str_shuffle.php,v 1.6 2005/08/14 03:24:16 aidan Exp $
/**
* Replace str_shuffle()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.str_shuffle
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.6 $
* @since PHP 4.3.0
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('str_shuffle')) {
function str_shuffle($str)
{
// Init
$str = (string) $str;
// Seed
list($usec, $sec) = explode(' ', microtime());
$seed = (float) $sec + ((float) $usec * 100000);
mt_srand($seed);
// Shuffle
for ($new = '', $len = strlen($str); $len > 0; $str{$p} = $str{$len}) {
$new .= $str{$p = mt_rand(0, --$len)};
}
return $new;
}
}
?>
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