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: Arpad Ray <arpad@php.net> |
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16 | // +----------------------------------------------------------------------+
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17 | //
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18 | // $Id: inet_pton.php,v 1.2 2005/12/05 14:49:40 aidan Exp $
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19 |
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20 |
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21 | /**
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22 | * Replace inet_pton()
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23 | *
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24 | * @category PHP
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25 | * @package PHP_Compat
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26 | * @link http://php.net/inet_pton
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27 | * @author Arpad Ray <arpad@php.net>
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28 | * @version $Revision: 1.2 $
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29 | * @since PHP 5.1.0
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30 | * @require PHP 4.2.0 (array_fill)
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31 | */
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32 | if (!function_exists('inet_pton')) {
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33 | function inet_pton($address)
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34 | {
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35 | $r = ip2long($address);
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36 | if ($r !== false && $r != -1) {
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37 | return pack('N', $r);
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38 | }
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39 |
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40 | $delim_count = substr_count($address, ':');
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41 | if ($delim_count < 1 || $delim_count > 7) {
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42 | return false;
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43 | }
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44 |
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45 | $r = explode(':', $address);
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46 | $rcount = count($r);
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47 | if (($doub = array_search('', $r, 1)) !== false) {
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48 | $length = (!$doub || $doub == $rcount - 1 ? 2 : 1);
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49 | array_splice($r, $doub, $length, array_fill(0, 8 + $length - $rcount, 0));
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50 | }
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51 |
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52 | $r = array_map('hexdec', $r);
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53 | array_unshift($r, 'n*');
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54 | $r = call_user_func_array('pack', $r);
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55 |
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56 | return $r;
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57 | }
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58 | }
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59 |
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60 | ?> |
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