1<?php 2// +----------------------------------------------------------------------+ 3// | PHP Version 4 | 4// +----------------------------------------------------------------------+ 5// | Copyright (c) 1997-2004 The PHP Group | 6// +----------------------------------------------------------------------+ 7// | This source file is subject to version 3.0 of the PHP license, | 8// | that is bundled with this package in the file LICENSE, and is | 9// | available at through the world-wide-web at | 10// | http://www.php.net/license/3_0.txt. | 11// | If you did not receive a copy of the PHP license and are unable to | 12// | obtain it through the world-wide-web, please send a note to | 13// | license@php.net so we can mail you a copy immediately. | 14// +----------------------------------------------------------------------+ 15// | Authors: Alan Morey <alan@caint.com> | 16// | Aidan Lister <aidan@php.net> | 17// +----------------------------------------------------------------------+ 18// 19// $Id: str_rot13.php,v 1.4 2005/01/26 04:55:13 aidan Exp $ 20 21 22/** 23 * Replace str_rot13() 24 * 25 * @category PHP 26 * @package PHP_Compat 27 * @link http://php.net/function.str_rot13 28 * @author Alan Morey <alan@caint.com> 29 * @author Aidan Lister <aidan@php.net> 30 * @version $Revision: 1.4 $ 31 * @since PHP 4.0.0 32 */ 33if (!function_exists('str_rot13')) { 34 function str_rot13($str) 35 { 36 $from = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; 37 $to = 'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'; 38 39 return strtr($str, $from, $to); 40 } 41} 42 43?>