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:  * Filters phone numbers. Removes spaces and adds the pre-dial where possible.
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 Jakub Tománek
25:  */
26: class Phone extends \Jyxo\Input\Filter\AbstractFilter
27: {
28:     /**
29:      * Filters a value.
30:      *
31:      * @param mixed $value Input value
32:      * @return mixed
33:      */
34:     protected function filterValue($value)
35:     {
36:         // Removes spaces
37:         $value = preg_replace('~\s+~', '', (string) $value);
38: 
39:         // Adds the Czech pre-dial where possible
40:         if (preg_match('~^[2-79]\d{8}$~', $value)) {
41:             $value = '+420' . $value;
42:         }
43: 
44:         return $value;
45:     }
46: }
47: