1: <?php
2:
3: /**
4: * Jyxo PHP Library
5: *
6: * LICENSE
7: *
8: * This source file is subject to the new BSD license that is bundled
9: * with this package in the file license.txt.
10: * It is also available through the world-wide-web at this URL:
11: * https://github.com/jyxo/php/blob/master/license.txt
12: */
13:
14: namespace Jyxo\Input\Filter;
15:
16: /**
17: * Filter for prepending "http://" if missing.
18: *
19: * @category Jyxo
20: * @package Jyxo\Input
21: * @subpackage Filter
22: * @copyright Copyright (c) 2005-2011 Jyxo, s.r.o.
23: * @license https://github.com/jyxo/php/blob/master/license.txt
24: * @author Jaroslav HanslĂk
25: */
26: class SanitizeUrl extends \Jyxo\Input\Filter\AbstractFilter
27: {
28: /**
29: * Filters a value.
30: *
31: * @param mixed $in Input value
32: * @return mixed
33: */
34: protected function filterValue($in)
35: {
36: if (!preg_match('~^(?:http|ftp)s?://~i', $in)) {
37: $in = 'http://' . $in;
38: }
39:
40: return $in;
41: }
42: }
43: