staylor / WordPress

			foreach ( $children_elements[ $id ] as $child ){

				if ( !isset($newlevel) ) {

					$newlevel = true;

					//start the child delimiter

					$cb_args = array_merge( array(&$output, $depth), $args);

					call_user_func_array(array($this, 'start_lvl'), $cb_args);

				}

				$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );

			}

			unset( $children_elements[ $id ] );

			unset( $children_elements[ $id ] );

		}

		if ( isset($newlevel) && $newlevel ){

			//end the child delimiter

			$cb_args = array_merge( array(&$output, $depth), $args);

			call_user_func_array(array($this, 'end_lvl'), $cb_args);

		}

		//end this element

		$cb_args = array_merge( array(&$output, $element, $depth), $args);