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 1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (http://nette.org)
 5:  *
 6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 7:  *
 8:  * For the full copyright and license information, please view
 9:  * the file license.txt that was distributed with this source code.
10:  * @package Nette\Iterators
11:  */
12: 
13: 
14: 
15: /**
16:  * Generic recursive iterator.
17:  *
18:  * @author     David Grudl
19:  * @package Nette\Iterators
20:  */
21: class GenericRecursiveIterator extends IteratorIterator implements RecursiveIterator, Countable
22: {
23: 
24:     /**
25:      * Has the current element has children?
26:      * @return bool
27:      */
28:     public function hasChildren()
29:     {
30:         $obj = $this->current();
31:         return ($obj instanceof IteratorAggregate && $obj->getIterator() instanceof RecursiveIterator)
32:             || $obj instanceof RecursiveIterator;
33:     }
34: 
35: 
36: 
37:     /**
38:      * The sub-iterator for the current element.
39:      * @return RecursiveIterator
40:      */
41:     public function getChildren()
42:     {
43:         $obj = $this->current();
44:         return $obj instanceof IteratorAggregate ? $obj->getIterator() : $obj;
45:     }
46: 
47: 
48: 
49:     /**
50:      * Returns the count of elements.
51:      * @return int
52:      */
53:     public function count()
54:     {
55:         return iterator_count($this);
56:     }
57: 
58: }
59: 
Nette Framework 2.0.8 (for PHP 5.2, un-prefixed) API API documentation generated by ApiGen 2.8.0