1: <?php
 2: /**
 3:  * Class EmptyCompositeNode
 4:  *
 5:  * @version 1.0.1
 6:  * @author v.raskin
 7:  * @package vsword.node
 8:  */
 9: class EmptyCompositeNode extends CompositeNode {
10:     
11:     public function getWord() {
12:         $string = array();
13:         $string[] = $this->beforeRenderChildrensWord();
14:         foreach($this->childrens as $node) {
15:             $string[] = $node->getWord();
16:         }
17:         $string[] = $this->afterRenderChildrensWord();
18:         return join('',$string);
19:     }
20:     
21:     protected function beforeRenderChildrensWord() {
22:         return '';
23:     }
24:     
25:     protected function afterRenderChildrensWord() {
26:         return '';
27:     }
28: }