49 lines
1.7 KiB
PHP
49 lines
1.7 KiB
PHP
<?php
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/**
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* This file is part of the Froxlor project.
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* Copyright (c) 2003-2009 the SysCP Team (see authors).
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* Copyright (c) 2010 the Froxlor 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.froxlor.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> (2003-2009)
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* @author Froxlor team <team@froxlor.org> (2010-)
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* @license GPLv2 http://files.froxlor.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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* Check if the submitted string is a valid domainname, i.e.
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* it consists only of the following characters ([a-z0-9][a-z0-9\-]+\.)+[a-z]{2,4}
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*
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* @param string The domainname which should be checked.
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* @return boolean True if the domain is valid, false otherwise
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* @author Florian Lippert <flo@syscp.org>
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* @author Michael Duergner
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*
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*/
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function validateDomain($domainname)
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{
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// we add http:// because this makes a domain valid for the filter;
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$domainname_tmp = 'http://' . $domainname;
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// If FILTER_VALIDATE_URL is good, but FILTER_VALIDATE_URL with FILTER_FLAG_PATH_REQUIRED or FILTER_FLAG_QUERY_REQUIRED is also good, it isn't just a domain.
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// This is a ugly hack, maybe a good regex would be better?
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if(filter_var($domainname_tmp, FILTER_VALIDATE_URL) !== false && filter_var($domainname_tmp, FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED) === false && filter_var($domainname_tmp, FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED) === false)
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{
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return $domainname;
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}
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else
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{
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return false;
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}
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}
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