Definition:
function wp_get_nav_menu_items( $menu, $args = array() {}
Returns all menu items of a navigation menu.
Parameters
- string $menu: menu name, id, or slug
- string $args
Return values
returns:array of menu items, else false.
Defined filters
- wp_get_nav_menu_items
apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args )
Source code
function wp_get_nav_menu_items( $menu, $args = array() ) { global $_wp_using_ext_object_cache; $menu = wp_get_nav_menu_object( $menu ); if ( ! $menu ) return false; static $fetched = array(); $items = get_objects_in_term( $menu->term_id, 'nav_menu' ); if ( empty( $items ) ) return $items; $defaults = array( 'order' => 'ASC', 'orderby' => 'menu_order', 'post_type' => 'nav_menu_item', 'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order', 'nopaging' => true, 'update_post_term_cache' => false ); $args = wp_parse_args( $args, $defaults ); if ( count( $items ) > 1 ) $args['include'] = implode( ',', $items ); else $args['include'] = $items[0]; $items = get_posts( $args ); if ( is_wp_error( $items ) || ! is_array( $items ) ) return false; // Get all posts and terms at once to prime the caches if ( empty( $fetched[$menu->term_id] ) || $_wp_using_ext_object_cache ) { $fetched[$menu->term_id] = true; $posts = array(); $terms = array(); foreach ( $items as $item ) { $object_id = get_post_meta( $item->ID, '_menu_item_object_id', true ); $object = get_post_meta( $item->ID, '_menu_item_object', true ); $type = get_post_meta( $item->ID, '_menu_item_type', true ); if ( 'post_type' == $type ) $posts[$object][] = $object_id; elseif ( 'taxonomy' == $type) $terms[$object][] = $object_id; } if ( ! empty( $posts ) ) { foreach ( array_keys($posts) as $post_type ) { get_posts( array('post__in' => $posts[$post_type], 'post_type' => $post_type, 'nopaging' => true, 'update_post_term_cache' => false) ); } } unset($posts); if ( ! empty( $terms ) ) { foreach ( array_keys($terms) as $taxonomy ) { get_terms($taxonomy, array('include' => $terms[$taxonomy]) ); } } unset($terms); } $items = array_map( 'wp_setup_nav_menu_item', $items ); if ( ! is_admin() ) // Remove invalid items only in frontend $items = array_filter( $items, '_is_valid_nav_menu_item' ); if ( ARRAY_A == $args['output'] ) { $GLOBALS['_menu_item_sort_prop'] = $args['output_key']; usort($items, '_sort_nav_menu_items'); $i = 1; foreach( $items as $k => $item ) { $items[$k]->$args['output_key'] = $i++; } } return apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args ); }
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