57 lines
1.6 KiB
PHP
57 lines
1.6 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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*
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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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*
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* @return string|boolean the domain-name if the domain is valid, false otherwise
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*/
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function validateDomain($domainname) {
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// we add http:// because this makes a domain valid for the filter;
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$domainname_tmp = 'http://' . $domainname;
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// we just always use our regex
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$pattern = '/^http:\/\/([a-z0-9]([a-z0-9\-]{0,61}[a-z0-9])?\.)+[a-z0-9\-]{2,63}$/i';
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if (preg_match($pattern, $domainname_tmp)) {
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return $domainname;
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}
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return false;
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}
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/**
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* validate a local-hostname by regex
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*
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* @param string $hostname
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*
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* @return string|boolean hostname on success, else false
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*/
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function validateLocalHostname($hostname) {
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$pattern = '/^([a-zA-Z0-9\-])+$/i';
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if (preg_match($pattern, $hostname)) {
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return $hostname;
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}
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return false;
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}
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