_wp_ajax_menu_quick_search( array $request = array() )

23function _wp_ajax_menu_quick_search( $request = array() ) {24	$args            = array();25	$type            = isset( $request['type'] ) ? $request['type'] : '';26	$object_type     = isset( $request['object_type'] ) ? $request['object_type'] : '';27	$query           = isset( $request['q'] ) ? $request['q'] : '';28	$response_format = isset( $request['response-format'] ) ? $request['response-format'] : '';29 30	if ( ! $response_format || ! in_array( $response_format, array( 'json', 'markup' ), true ) ) {31		$response_format = 'json';32	}33 34	if ( 'markup' === $response_format ) {35		$args['walker'] = new Walker_Nav_Menu_Checklist();36	}37 38	if ( 'get-post-item' === $type ) {39		if ( post_type_exists( $object_type ) ) {40			if ( isset( $request['ID'] ) ) {41				$object_id = (int) $request['ID'];42 43				if ( 'markup' === $response_format ) {44					echo walk_nav_menu_tree(45						array_map( 'wp_setup_nav_menu_item', array( get_post( $object_id ) ) ),46						0,47						(object) $args48					);49				} elseif ( 'json' === $response_format ) {50					echo wp_json_encode(51						array(52							'ID'         => $object_id,53							'post_title' => get_the_title( $object_id ),54							'post_type'  => get_post_type( $object_id ),55						)56					);57					echo "\n";58				}59			}60		} elseif ( taxonomy_exists( $object_type ) ) {61			if ( isset( $request['ID'] ) ) {62				$object_id = (int) $request['ID'];63 64				if ( 'markup' === $response_format ) {65					echo walk_nav_menu_tree(66						array_map( 'wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ),67						0,68						(object) $args69					);70				} elseif ( 'json' === $response_format ) {71					$post_obj = get_term( $object_id, $object_type );72					echo wp_json_encode(73						array(74							'ID'         => $object_id,75							'post_title' => $post_obj->name,76							'post_type'  => $object_type,77						)78					);79					echo "\n";80				}81			}82		}83	} elseif ( preg_match( '/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches ) ) {84		if ( 'posttype' === $matches[1] && get_post_type_object( $matches[2] ) ) {85			$post_type_obj = _wp_nav_menu_meta_box_object( get_post_type_object( $matches[2] ) );86			$args          = array_merge(87				$args,88				array(89					'no_found_rows'          => true,90					'update_post_meta_cache' => false,91					'update_post_term_cache' => false,92					'posts_per_page'         => 10,93					'post_type'              => $matches[2],94					's'                      => $query,95				)96			);97 98			if ( isset( $post_type_obj->_default_query ) ) {99				$args = array_merge( $args, (array) $post_type_obj->_default_query );100			}101 102			$search_results_query = new WP_Query( $args );