diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-includes/nav-menu.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/wp-includes/nav-menu.php Mon Nov 19 18:26:13 2012 +0100 @@ -0,0 +1,784 @@ +taxonomy ) && + 'nav_menu' == $menu_obj->taxonomy + ) + return true; + + return false; +} + +/** + * Register navigation menus for a theme. + * + * @since 3.0.0 + * + * @param array $locations Associative array of menu location identifiers (like a slug) and descriptive text. + */ +function register_nav_menus( $locations = array() ) { + global $_wp_registered_nav_menus; + + add_theme_support( 'menus' ); + + $_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations ); +} + +/** + * Unregisters a navigation menu for a theme. + * + * @param array $location the menu location identifier + * + * @return bool True on success, false on failure. + */ +function unregister_nav_menu( $location ) { + global $_wp_registered_nav_menus; + + if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[$location] ) ) { + unset( $_wp_registered_nav_menus[$location] ); + return true; + } + return false; +} + +/** + * Register a navigation menu for a theme. + * + * @since 3.0.0 + * + * @param string $location Menu location identifier, like a slug. + * @param string $description Menu location descriptive text. + */ +function register_nav_menu( $location, $description ) { + register_nav_menus( array( $location => $description ) ); +} +/** + * Returns an array of all registered navigation menus in a theme + * + * @since 3.0.0 + * @return array + */ +function get_registered_nav_menus() { + global $_wp_registered_nav_menus; + if ( isset( $_wp_registered_nav_menus ) ) + return $_wp_registered_nav_menus; + return array(); +} + +/** + * Returns an array with the registered navigation menu locations and the menu assigned to it + * + * @since 3.0.0 + * @return array + */ + +function get_nav_menu_locations() { + return get_theme_mod( 'nav_menu_locations' ); +} + +/** + * Whether a registered nav menu location has a menu assigned to it. + * + * @since 3.0.0 + * @param string $location Menu location identifier. + * @return bool Whether location has a menu. + */ +function has_nav_menu( $location ) { + $locations = get_nav_menu_locations(); + return ( ! empty( $locations[ $location ] ) ); +} + +/** + * Determine whether the given ID is a nav menu item. + * + * @since 3.0.0 + * + * @param int $menu_item_id The ID of the potential nav menu item. + * @return bool Whether the given ID is that of a nav menu item. + */ +function is_nav_menu_item( $menu_item_id = 0 ) { + return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) ); +} + +/** + * Create a Navigation Menu. + * + * @since 3.0.0 + * + * @param string $menu_name Menu Name + * @return mixed Menu object on success|WP_Error on failure + */ +function wp_create_nav_menu( $menu_name ) { + return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) ); +} + +/** + * Delete a Navigation Menu. + * + * @since 3.0.0 + * + * @param string $menu name|id|slug + * @return mixed Menu object on success|WP_Error on failure + */ +function wp_delete_nav_menu( $menu ) { + $menu = wp_get_nav_menu_object( $menu ); + if ( ! $menu ) + return false; + + $menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' ); + if ( ! empty( $menu_objects ) ) { + foreach ( $menu_objects as $item ) { + wp_delete_post( $item ); + } + } + + $result = wp_delete_term( $menu->term_id, 'nav_menu' ); + + if ( $result && !is_wp_error($result) ) + do_action( 'wp_delete_nav_menu', $menu->term_id ); + + return $result; +} + +/** + * Save the properties of a menu or create a new menu with those properties. + * + * @since 3.0.0 + * + * @param int $menu_id The ID of the menu or "0" to create a new menu. + * @param array $menu_data The array of menu data. + * @return int|error object The menu's ID or WP_Error object. + */ +function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) { + $menu_id = (int) $menu_id; + + $_menu = wp_get_nav_menu_object( $menu_id ); + + $args = array( + 'description' => ( isset( $menu_data['description'] ) ? $menu_data['description'] : '' ), + 'name' => ( isset( $menu_data['menu-name'] ) ? $menu_data['menu-name'] : '' ), + 'parent' => ( isset( $menu_data['parent'] ) ? (int) $menu_data['parent'] : 0 ), + 'slug' => null, + ); + + // double-check that we're not going to have one menu take the name of another + $_possible_existing = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' ); + if ( + $_possible_existing && + ! is_wp_error( $_possible_existing ) && + isset( $_possible_existing->term_id ) && + $_possible_existing->term_id != $menu_id + ) + return new WP_Error( 'menu_exists', sprintf( __('The menu name %s conflicts with another menu name. Please try another.'), esc_html( $menu_data['menu-name'] ) ) ); + + // menu doesn't already exist, so create a new menu + if ( ! $_menu || is_wp_error( $_menu ) ) { + $menu_exists = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' ); + + if ( $menu_exists ) + return new WP_Error( 'menu_exists', sprintf( __('The menu name %s conflicts with another menu name. Please try another.'), esc_html( $menu_data['menu-name'] ) ) ); + + $_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args ); + + if ( is_wp_error( $_menu ) ) + return $_menu; + + do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data ); + + return (int) $_menu['term_id']; + } + + if ( ! $_menu || ! isset( $_menu->term_id ) ) + return 0; + + $menu_id = (int) $_menu->term_id; + + $update_response = wp_update_term( $menu_id, 'nav_menu', $args ); + + if ( is_wp_error( $update_response ) ) + return $update_response; + + do_action( 'wp_update_nav_menu', $menu_id, $menu_data ); + return $menu_id; +} + +/** + * Save the properties of a menu item or create a new one. + * + * @since 3.0.0 + * + * @param int $menu_id The ID of the menu. Required. If "0", makes the menu item a draft orphan. + * @param int $menu_item_db_id The ID of the menu item. If "0", creates a new menu item. + * @param array $menu_item_data The menu item's data. + * @return int The menu item's database ID or WP_Error object on failure. + */ +function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item_data = array() ) { + $menu_id = (int) $menu_id; + $menu_item_db_id = (int) $menu_item_db_id; + + // make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects + if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) ) + return new WP_Error('update_nav_menu_item_failed', __('The given object ID is not that of a menu item.')); + + $menu = wp_get_nav_menu_object( $menu_id ); + + if ( ( ! $menu && 0 !== $menu_id ) || is_wp_error( $menu ) ) + return $menu; + + $menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) ); + + $count = count( $menu_items ); + + $defaults = array( + 'menu-item-db-id' => $menu_item_db_id, + 'menu-item-object-id' => 0, + 'menu-item-object' => '', + 'menu-item-parent-id' => 0, + 'menu-item-position' => 0, + 'menu-item-type' => 'custom', + 'menu-item-title' => '', + 'menu-item-url' => '', + 'menu-item-description' => '', + 'menu-item-attr-title' => '', + 'menu-item-target' => '', + 'menu-item-classes' => '', + 'menu-item-xfn' => '', + 'menu-item-status' => '', + ); + + $args = wp_parse_args( $menu_item_data, $defaults ); + + if ( 0 == $menu_id ) { + $args['menu-item-position'] = 1; + } elseif ( 0 == (int) $args['menu-item-position'] ) { + $last_item = array_pop( $menu_items ); + $args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : $count; + } + + $original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0; + + if ( 'custom' != $args['menu-item-type'] ) { + /* if non-custom menu item, then: + * use original object's URL + * blank default title to sync with original object's + */ + + $args['menu-item-url'] = ''; + + $original_title = ''; + if ( 'taxonomy' == $args['menu-item-type'] ) { + $original_parent = get_term_field( 'parent', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' ); + $original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' ); + } elseif ( 'post_type' == $args['menu-item-type'] ) { + + $original_object = get_post( $args['menu-item-object-id'] ); + $original_parent = (int) $original_object->post_parent; + $original_title = $original_object->post_title; + } + + if ( empty( $args['menu-item-title'] ) || $args['menu-item-title'] == $original_title ) { + $args['menu-item-title'] = ''; + + // hack to get wp to create a post object when too many properties are empty + if ( empty( $args['menu-item-description'] ) ) + $args['menu-item-description'] = ' '; + } + } + + // Populate the menu item object + $post = array( + 'menu_order' => $args['menu-item-position'], + 'ping_status' => 0, + 'post_content' => $args['menu-item-description'], + 'post_excerpt' => $args['menu-item-attr-title'], + 'post_parent' => $original_parent, + 'post_title' => $args['menu-item-title'], + 'post_type' => 'nav_menu_item', + ); + + if ( 0 != $menu_id ) + $post['tax_input'] = array( 'nav_menu' => array( intval( $menu->term_id ) ) ); + + // New menu item. Default is draft status + if ( 0 == $menu_item_db_id ) { + $post['ID'] = 0; + $post['post_status'] = 'publish' == $args['menu-item-status'] ? 'publish' : 'draft'; + $menu_item_db_id = wp_insert_post( $post ); + + // Update existing menu item. Default is publish status + } else { + $post['ID'] = $menu_item_db_id; + $post['post_status'] = 'draft' == $args['menu-item-status'] ? 'draft' : 'publish'; + wp_update_post( $post ); + } + + if ( 'custom' == $args['menu-item-type'] ) { + $args['menu-item-object-id'] = $menu_item_db_id; + $args['menu-item-object'] = 'custom'; + } + + if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) ) + return $menu_item_db_id; + + $menu_item_db_id = (int) $menu_item_db_id; + + update_post_meta( $menu_item_db_id, '_menu_item_type', sanitize_key($args['menu-item-type']) ); + update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', (int) $args['menu-item-parent-id'] ); + update_post_meta( $menu_item_db_id, '_menu_item_object_id', (int) $args['menu-item-object-id'] ); + update_post_meta( $menu_item_db_id, '_menu_item_object', sanitize_key($args['menu-item-object']) ); + update_post_meta( $menu_item_db_id, '_menu_item_target', sanitize_key($args['menu-item-target']) ); + + $args['menu-item-classes'] = array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-classes'] ) ); + $args['menu-item-xfn'] = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-xfn'] ) ) ); + update_post_meta( $menu_item_db_id, '_menu_item_classes', $args['menu-item-classes'] ); + update_post_meta( $menu_item_db_id, '_menu_item_xfn', $args['menu-item-xfn'] ); + update_post_meta( $menu_item_db_id, '_menu_item_url', esc_url_raw($args['menu-item-url']) ); + + if ( 0 == $menu_id ) + update_post_meta( $menu_item_db_id, '_menu_item_orphaned', time() ); + else + delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' ); + + do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args ); + + return $menu_item_db_id; +} + +/** + * Returns all navigation menu objects. + * + * @since 3.0.0 + * + * @param array $args Array of arguments passed on to get_terms(). + * @return array menu objects + */ +function wp_get_nav_menus( $args = array() ) { + $defaults = array( 'hide_empty' => false, 'orderby' => 'none' ); + $args = wp_parse_args( $args, $defaults ); + return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu', $args), $args ); +} + +/** + * Sort menu items by the desired key. + * + * @since 3.0.0 + * @access private + * + * @param object $a The first object to compare + * @param object $b The second object to compare + * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b. + */ +function _sort_nav_menu_items( $a, $b ) { + global $_menu_item_sort_prop; + + if ( empty( $_menu_item_sort_prop ) ) + return 0; + + if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) ) + return 0; + + $_a = (int) $a->$_menu_item_sort_prop; + $_b = (int) $b->$_menu_item_sort_prop; + + if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop ) + return 0; + elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop ) + return $_a < $_b ? -1 : 1; + else + return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop ); +} + +/** + * Returns if a menu item is valid. Bug #13958 + * + * @since 3.2.0 + * @access private + * + * @param object $menu_item The menu item to check + * @return bool false if invalid, else true. + */ +function _is_valid_nav_menu_item( $item ) { + if ( ! empty( $item->_invalid ) ) + return false; + + return true; +} + +/** + * Returns all menu items of a navigation menu. + * + * @since 3.0.0 + * + * @param string $menu menu name, id, or slug + * @param string $args + * @return mixed $items array of menu items, else false. + */ +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 ); +} + +/** + * Decorates a menu item object with the shared navigation menu item properties. + * + * Properties: + * - db_id: The DB ID of this item as a nav_menu_item object, if it exists (0 if it doesn't exist). + * - object_id: The DB ID of the original object this menu item represents, e.g. ID for posts and term_id for categories. + * - type: The family of objects originally represented, such as "post_type" or "taxonomy." + * - object: The type of object originally represented, such as "category," "post", or "attachment." + * - type_label: The singular label used to describe this type of menu item. + * - post_parent: The DB ID of the original object's parent object, if any (0 otherwise). + * - menu_item_parent: The DB ID of the nav_menu_item that is this item's menu parent, if any. 0 otherwise. + * - url: The URL to which this menu item points. + * - title: The title of this menu item. + * - target: The target attribute of the link element for this menu item. + * - attr_title: The title attribute of the link element for this menu item. + * - classes: The array of class attribute values for the link element of this menu item. + * - xfn: The XFN relationship expressed in the link of this menu item. + * - description: The description of this menu item. + * + * @since 3.0.0 + * + * @param object $menu_item The menu item to modify. + * @return object $menu_item The menu item with standard menu item properties. + */ +function wp_setup_nav_menu_item( $menu_item ) { + if ( isset( $menu_item->post_type ) ) { + if ( 'nav_menu_item' == $menu_item->post_type ) { + $menu_item->db_id = (int) $menu_item->ID; + $menu_item->menu_item_parent = empty( $menu_item->menu_item_parent ) ? get_post_meta( $menu_item->ID, '_menu_item_menu_item_parent', true ) : $menu_item->menu_item_parent; + $menu_item->object_id = empty( $menu_item->object_id ) ? get_post_meta( $menu_item->ID, '_menu_item_object_id', true ) : $menu_item->object_id; + $menu_item->object = empty( $menu_item->object ) ? get_post_meta( $menu_item->ID, '_menu_item_object', true ) : $menu_item->object; + $menu_item->type = empty( $menu_item->type ) ? get_post_meta( $menu_item->ID, '_menu_item_type', true ) : $menu_item->type; + + if ( 'post_type' == $menu_item->type ) { + $object = get_post_type_object( $menu_item->object ); + if ( $object ) { + $menu_item->type_label = $object->labels->singular_name; + } else { + $menu_item->type_label = $menu_item->object; + $menu_item->_invalid = true; + } + + $menu_item->url = get_permalink( $menu_item->object_id ); + + $original_object = get_post( $menu_item->object_id ); + $original_title = $original_object->post_title; + $menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title; + + } elseif ( 'taxonomy' == $menu_item->type ) { + $object = get_taxonomy( $menu_item->object ); + if ( $object ) { + $menu_item->type_label = $object->labels->singular_name; + } else { + $menu_item->type_label = $menu_item->object; + $menu_item->_invalid = true; + } + + $term_url = get_term_link( (int) $menu_item->object_id, $menu_item->object ); + $menu_item->url = !is_wp_error( $term_url ) ? $term_url : ''; + + $original_title = get_term_field( 'name', $menu_item->object_id, $menu_item->object, 'raw' ); + if ( is_wp_error( $original_title ) ) + $original_title = false; + $menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title; + + } else { + $menu_item->type_label = __('Custom'); + $menu_item->title = $menu_item->post_title; + $menu_item->url = empty( $menu_item->url ) ? get_post_meta( $menu_item->ID, '_menu_item_url', true ) : $menu_item->url; + } + + $menu_item->target = empty( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target; + + $menu_item->attr_title = empty( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title; + + if ( empty( $menu_item->description ) ) + $menu_item->description = apply_filters( 'nav_menu_description', wp_trim_words( $menu_item->post_content, 200 ) ); + + $menu_item->classes = empty( $menu_item->classes ) ? (array) get_post_meta( $menu_item->ID, '_menu_item_classes', true ) : $menu_item->classes; + $menu_item->xfn = empty( $menu_item->xfn ) ? get_post_meta( $menu_item->ID, '_menu_item_xfn', true ) : $menu_item->xfn; + } else { + $menu_item->db_id = 0; + $menu_item->menu_item_parent = 0; + $menu_item->object_id = (int) $menu_item->ID; + $menu_item->type = 'post_type'; + + $object = get_post_type_object( $menu_item->post_type ); + $menu_item->object = $object->name; + $menu_item->type_label = $object->labels->singular_name; + + $menu_item->title = $menu_item->post_title; + $menu_item->url = get_permalink( $menu_item->ID ); + $menu_item->target = ''; + + $menu_item->attr_title = apply_filters( 'nav_menu_attr_title', '' ); + $menu_item->description = apply_filters( 'nav_menu_description', '' ); + $menu_item->classes = array(); + $menu_item->xfn = ''; + } + } elseif ( isset( $menu_item->taxonomy ) ) { + $menu_item->ID = $menu_item->term_id; + $menu_item->db_id = 0; + $menu_item->menu_item_parent = 0; + $menu_item->object_id = (int) $menu_item->term_id; + $menu_item->post_parent = (int) $menu_item->parent; + $menu_item->type = 'taxonomy'; + + $object = get_taxonomy( $menu_item->taxonomy ); + $menu_item->object = $object->name; + $menu_item->type_label = $object->labels->singular_name; + + $menu_item->title = $menu_item->name; + $menu_item->url = get_term_link( $menu_item, $menu_item->taxonomy ); + $menu_item->target = ''; + $menu_item->attr_title = ''; + $menu_item->description = get_term_field( 'description', $menu_item->term_id, $menu_item->taxonomy ); + $menu_item->classes = array(); + $menu_item->xfn = ''; + + } + + return apply_filters( 'wp_setup_nav_menu_item', $menu_item ); +} + +/** + * Get the menu items associated with a particular object. + * + * @since 3.0.0 + * + * @param int $object_id The ID of the original object. + * @param string $object_type The type of object, such as "taxonomy" or "post_type." + * @return array The array of menu item IDs; empty array if none; + */ +function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type' ) { + $object_id = (int) $object_id; + $menu_item_ids = array(); + + $query = new WP_Query; + $menu_items = $query->query( + array( + 'meta_key' => '_menu_item_object_id', + 'meta_value' => $object_id, + 'post_status' => 'any', + 'post_type' => 'nav_menu_item', + 'posts_per_page' => -1, + ) + ); + foreach( (array) $menu_items as $menu_item ) { + if ( isset( $menu_item->ID ) && is_nav_menu_item( $menu_item->ID ) ) { + if ( get_post_meta( $menu_item->ID, '_menu_item_type', true ) != $object_type ) + continue; + + $menu_item_ids[] = (int) $menu_item->ID; + } + } + + return array_unique( $menu_item_ids ); +} + +/** + * Callback for handling a menu item when its original object is deleted. + * + * @since 3.0.0 + * @access private + * + * @param int $object_id The ID of the original object being trashed. + * + */ +function _wp_delete_post_menu_item( $object_id = 0 ) { + $object_id = (int) $object_id; + + $menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' ); + + foreach( (array) $menu_item_ids as $menu_item_id ) { + wp_delete_post( $menu_item_id, true ); + } +} + +/** + * Callback for handling a menu item when its original object is deleted. + * + * @since 3.0.0 + * @access private + * + * @param int $object_id The ID of the original object being trashed. + * + */ +function _wp_delete_tax_menu_item( $object_id = 0 ) { + $object_id = (int) $object_id; + + $menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'taxonomy' ); + + foreach( (array) $menu_item_ids as $menu_item_id ) { + wp_delete_post( $menu_item_id, true ); + } +} + +/** + * Automatically add newly published page objects to menus with that as an option. + * + * @since 3.0.0 + * @access private + * + * @param string $new_status The new status of the post object. + * @param string $old_status The old status of the post object. + * @param object $post The post object being transitioned from one status to another. + * @return void + */ +function _wp_auto_add_pages_to_menu( $new_status, $old_status, $post ) { + if ( 'publish' != $new_status || 'publish' == $old_status || 'page' != $post->post_type ) + return; + if ( ! empty( $post->post_parent ) ) + return; + $auto_add = get_option( 'nav_menu_options' ); + if ( empty( $auto_add ) || ! is_array( $auto_add ) || ! isset( $auto_add['auto_add'] ) ) + return; + $auto_add = $auto_add['auto_add']; + if ( empty( $auto_add ) || ! is_array( $auto_add ) ) + return; + + $args = array( + 'menu-item-object-id' => $post->ID, + 'menu-item-object' => $post->post_type, + 'menu-item-type' => 'post_type', + 'menu-item-status' => 'publish', + ); + + foreach ( $auto_add as $menu_id ) { + $items = wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) ); + if ( ! is_array( $items ) ) + continue; + foreach ( $items as $item ) { + if ( $post->ID == $item->object_id ) + continue 2; + } + wp_update_nav_menu_item( $menu_id, 0, $args ); + } +}