45 lines
1.1 KiB
PHP
45 lines
1.1 KiB
PHP
<?php
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/**
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* This file is part of the SysCP project.
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* Copyright (c) 2003-2009 the SysCP Team (see authors).
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*
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* For the full copyright and license information, please view the COPYING
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* file that was distributed with this source code. You can also view the
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* COPYING file online at http://files.syscp.org/misc/COPYING.txt
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*
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* @copyright (c) the authors
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* @author Florian Lippert <flo@syscp.org>
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* @license GPLv2 http://files.syscp.org/misc/COPYING.txt
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* @package Functions
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* @version $Id$
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*/
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/**
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* Checks whether it is a valid ip
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*
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* @return mixed ip address on success, standard_error on failure
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*/
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function validate_ip($ip, $return_bool = false, $lng = 'invalidip')
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{
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if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === FALSE
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&& filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) === FALSE
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&& filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) === FALSE)
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{
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if($return_bool)
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{
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return false;
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}
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else
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{
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standard_error($lng, $ip);
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exit;
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}
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}
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else
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{
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return $ip;
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}
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}
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