/**
* @brief Iterator to filter parents
* @author Marcus Boerger
- * @version 1.1
- * @since PHP 5.0
+ * @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 FilterIterator implements RecursiveIterator
+class ParentIterator extends RecursiveFilterIterator
{
/** @param $it the RecursiveIterator to filter
*/
return $this->it->hasChildren();
}
- /** @return whether the current element has children
- */
- function hasChildren()
- {
- return $this->it->hasChildren();
- }
-
/** @return the ParentIterator for the current elements children
*/
function getChildren()