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