1<?php 2 3/** @file parentiterator.inc 4 * @ingroup SPL 5 * @brief class FilterIterator 6 * @author Marcus Boerger 7 * @date 2003 - 2009 8 * 9 * SPL - Standard PHP Library 10 */ 11 12/** 13 * @brief Iterator to filter parents 14 * @author Marcus Boerger 15 * @version 1.2 16 * @since PHP 5.1 17 * 18 * This extended FilterIterator allows a recursive iteration using 19 * RecursiveIteratorIterator that only shows those elements which have 20 * children. 21 */ 22class ParentIterator extends RecursiveFilterIterator 23{ 24 /** @return whetehr the current element has children 25 */ 26 function accept() 27 { 28 return $this->it->hasChildren(); 29 } 30} 31 32?> 33
