1: <?php
2: /**
3: * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
4: * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
5: *
6: * Licensed under The MIT License
7: * For full copyright and license information, please see the LICENSE.txt
8: * Redistributions of files must retain the above copyright notice.
9: *
10: * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
11: * @link http://cakephp.org CakePHP(tm) Project
12: * @since 3.0.0
13: * @license http://www.opensource.org/licenses/mit-license.php MIT License
14: */
15: namespace Cake\Collection\Iterator;
16:
17: use Cake\Collection\Collection;
18: use RecursiveIterator;
19:
20: /**
21: * An iterator that can be used as an argument for other iterators that require
22: * a RecursiveIterator but do not want children. This iterator will
23: * always behave as having no nested items.
24: */
25: class NoChildrenIterator extends Collection implements RecursiveIterator
26: {
27:
28: /**
29: * Returns false as there are no children iterators in this collection
30: *
31: * @return bool
32: */
33: public function hasChildren()
34: {
35: return false;
36: }
37:
38: /**
39: * Returns null as there are no children for this iteration level
40: *
41: * @return null
42: */
43: public function getChildren()
44: {
45: return null;
46: }
47: }
48: