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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: 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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?> |