<?php
/** @file parentiterator.inc
* @ingroup SPL
* @brief class FilterIterator
* @author Marcus Boerger
* @date 2003 - 2009
*
* SPL - Standard PHP Library
*/
/**
* @brief Iterator to filter parents
* @author Marcus Boerger
* @version 1.2
* @since PHP 5.1
*
* This extended FilterIterator allows a recursive iteration using
* RecursiveIteratorIterator that only shows those elements which have
* children.
*/
class ParentIterator extends RecursiveFilterIterator
{
/** @return whetehr the current element has children
*/
function accept()
{
return $this->it->hasChildren();
}
}
?>
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