53 lines
1.9 KiB
PHP
53 lines
1.9 KiB
PHP
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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: str_shuffle.php,v 1.1 2005/07/23 05:56:03 Tony Exp $
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/**
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* Replace str_shuffle()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.str_shuffle
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.1 $
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* @since PHP 4.3.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('str_shuffle')) {
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function str_shuffle($str)
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{
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$newstr = '';
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$strlen = strlen($str);
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$str = (string) $str;
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// Seed
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list($usec, $sec) = explode(' ', microtime());
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$seed = (float) $sec + ((float) $usec * 100000);
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mt_srand($seed);
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// Shuffle
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for ($i = 0; $strlen > $i; $i++) {
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$newstr .= $str[mt_rand(0, $strlen - 1)];
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}
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return $newstr;
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}
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}
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?>
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