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:  * Parent class of all filters.
18:  * Allows multidimensional arrays filtering.
19:  *
20:  * @category Jyxo
21:  * @package Jyxo\Input
22:  * @subpackage Filter
23:  * @copyright Copyright (c) 2005-2011 Jyxo, s.r.o.
24:  * @license https://github.com/jyxo/php/blob/master/license.txt
25:  * @author Jaroslav Hanslík
26:  */
27: abstract class AbstractFilter implements \Jyxo\Input\FilterInterface
28: {
29:     /**
30:      * Creates a filter instance.
31:      */
32:     public function __construct()
33:     {}
34: 
35:     /**
36:      * Filters a value.
37:      *
38:      * @param mixed $value Input value
39:      * @return mixed
40:      */
41:     public static function filtrate($value)
42:     {
43:         $filter = new static();
44:         return $filter->filter($value);
45:     }
46: 
47:     /**
48:      * Actually filters a value.
49:      *
50:      * @param mixed $in Input value
51:      * @return mixed
52:      */
53:     abstract protected function filterValue($in);
54: 
55:     /**
56:      * Filters a value.
57:      *
58:      * @param mixed $in Object to be filtered
59:      * @return \Jyxo\Input\FilterInterface This object instance
60:      */
61:     public function filter($in)
62:     {
63:         if (is_array($in)) {
64:             return array_map(array($this, 'filter'), $in);
65:         }
66:         return $this->filterValue($in);
67:     }
68: }
69: