60 lines
2.2 KiB
PHP
60 lines
2.2 KiB
PHP
<?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: Arpad Ray <arpad@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: inet_pton.php,v 1.2 2005/12/05 14:49:40 aidan Exp $
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/**
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* Replace inet_pton()
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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/inet_pton
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* @author Arpad Ray <arpad@php.net>
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* @version $Revision: 1.2 $
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* @since PHP 5.1.0
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* @require PHP 4.2.0 (array_fill)
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*/
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if (!function_exists('inet_pton')) {
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function inet_pton($address)
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{
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$r = ip2long($address);
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if ($r !== false && $r != -1) {
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return pack('N', $r);
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}
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$delim_count = substr_count($address, ':');
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if ($delim_count < 1 || $delim_count > 7) {
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return false;
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}
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$r = explode(':', $address);
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$rcount = count($r);
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if (($doub = array_search('', $r, 1)) !== false) {
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$length = (!$doub || $doub == $rcount - 1 ? 2 : 1);
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array_splice($r, $doub, $length, array_fill(0, 8 + $length - $rcount, 0));
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}
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$r = array_map('hexdec', $r);
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array_unshift($r, 'n*');
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$r = call_user_func_array('pack', $r);
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return $r;
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}
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}
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?>
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