1: <?php
 2: /**
 3:  * This file is part of the FastFeed package.
 4:  *
 5:  * (c) Daniel González <daniel@desarrolla2.com>
 6:  *
 7:  * For the full copyright and license information, please view the LICENSE
 8:  * file that was distributed with this source code.
 9:  */
10: namespace FastFeed\Processor;
11: 
12: /**
13:  * SortByDateProcessor
14:  * Sort
15:  */
16: class SortByDateProcessor implements ProcessorInterface
17: {
18:     /**
19:      * Execute processor
20:      *
21:      * @param array $items
22:      *
23:      * @return array
24:      */
25:     public function process(array $items)
26:     {
27:         $total = count($items);
28:         for ($i = 1; $i < $total; $i++) {
29:             for ($j = 0; $j < $total - $i; $j++) {
30:                 if (!$items[$j]->getDate() || !$items[$j + 1]->getDate()) {
31:                     continue;
32:                 }
33:                 if ($items[$j]->getDate()->getTimestamp() > $items[$j + 1]->getDate()->getTimestamp()) {
34:                     continue;
35:                 }
36:                 $aux = $items[$j + 1];
37:                 $items[$j + 1] = $items[$j];
38:                 $items[$j] = $aux;
39:             }
40:         }
41: 
42:         return $items;
43:     }
44: }
45: