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: /**
15:  * Filter for prepending "http://" if missing.
16:  *
17:  * @category Jyxo
18:  * @package Jyxo_Input
19:  * @subpackage Filter
20:  * @copyright Copyright (c) 2005-2011 Jyxo, s.r.o.
21:  * @license https://github.com/jyxo/php/blob/master/license.txt
22:  * @author Jaroslav Hanslík
23:  */
24: class Jyxo_Input_Filter_SanitizeUrl extends Jyxo_Input_Filter_AbstractFilter
25: {
26:     /**
27:      * Filters a value.
28:      *
29:      * @param mixed $in Input value
30:      * @return mixed
31:      */
32:     protected function filterValue($in)
33:     {
34:         if (!preg_match('~^(?:http|ftp)s?://~i', $in)) {
35:             $in = 'http://' .  $in;
36:         }
37: 
38:         return $in;
39:     }
40: }
41: