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 trimming whitespace.
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 Jan Pěček
23:  * @author Jaroslav Hanslík
24:  */
25: class Jyxo_Input_Filter_Trim extends Jyxo_Input_Filter_AbstractFilter
26: {
27:     /**
28:      * Filters a value.
29:      *
30:      * @param mixed $in
31:      * @return mixed
32:      */
33:     protected function filterValue($in)
34:     {
35:         return trim($in);
36:     }
37: 
38:     /**
39:      * Filters a value.
40:      *
41:      * @param mixed $in Object to be filtered
42:      * @return Jyxo_Input_FilterInterface This object instance
43:      */
44:     public function filter($in)
45:     {
46:         $in = parent::filter($in);
47:         // Removes empty values
48:         if (is_array($in)) {
49:             $in = array_filter($in);
50:         }
51:         return $in;
52:     }
53: }
54: