53 lines
2.0 KiB
PHP
53 lines
2.0 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_ntop.php,v 1.3 2005/12/05 14:49:40 aidan Exp $
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/**
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* Replace inet_ntop()
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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_ntop
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* @author Arpad Ray <arpad@php.net>
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* @version $Revision: 1.3 $
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* @since PHP 5.1.0
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* @require PHP 4.0.0 (long2ip)
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*/
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if (!function_exists('inet_ntop')) {
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function inet_ntop($in_addr)
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{
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switch (strlen($in_addr)) {
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case 4:
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list(,$r) = unpack('N', $in_addr);
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return long2ip($r);
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case 16:
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$r = substr(chunk_split(bin2hex($in_addr), 4, ':'), 0, -1);
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$r = preg_replace(
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array('/(?::?\b0+\b:?){2,}/', '/\b0+([^0])/e'),
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array('::', '(int)"$1"?"$1":"0$1"'),
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$r);
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return $r;
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}
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return false;
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}
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}
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?>
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