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| <?php | |
| /** | |
| * Navigation Menu functions | |
| * | |
| * @package WordPress | |
| * @subpackage Nav_Menus | |
| * @since 3.0.0 | |
| */ | |
| /** | |
| * Returns a navigation menu object. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int|string|WP_Term $menu Menu ID, slug, name, or object. | |
| * @return WP_Term|false Menu object on success, false if $menu param isn't supplied or term does not exist. | |
| */ | |
| function wp_get_nav_menu_object( $menu ) { | |
| $menu_obj = false; | |
| if ( is_object( $menu ) ) { | |
| $menu_obj = $menu; | |
| } | |
| if ( $menu && ! $menu_obj ) { | |
| $menu_obj = get_term( $menu, 'nav_menu' ); | |
| if ( ! $menu_obj ) { | |
| $menu_obj = get_term_by( 'slug', $menu, 'nav_menu' ); | |
| } | |
| if ( ! $menu_obj ) { | |
| $menu_obj = get_term_by( 'name', $menu, 'nav_menu' ); | |
| } | |
| } | |
| if ( ! $menu_obj || is_wp_error( $menu_obj ) ) { | |
| $menu_obj = false; | |
| } | |
| /** | |
| * Filters the nav_menu term retrieved for wp_get_nav_menu_object(). | |
| * | |
| * @since 4.3.0 | |
| * | |
| * @param WP_Term|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found. | |
| * @param int|string|WP_Term $menu The menu ID, slug, name, or object passed to wp_get_nav_menu_object(). | |
| */ | |
| return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu ); | |
| } | |
| /** | |
| * Check if the given ID is a navigation menu. | |
| * | |
| * Returns true if it is; false otherwise. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int|string|WP_Term $menu Menu ID, slug, name, or object of menu to check. | |
| * @return bool Whether the menu exists. | |
| */ | |
| function is_nav_menu( $menu ) { | |
| if ( ! $menu ) { | |
| return false; | |
| } | |
| $menu_obj = wp_get_nav_menu_object( $menu ); | |
| if ( | |
| $menu_obj && | |
| ! is_wp_error( $menu_obj ) && | |
| ! empty( $menu_obj->taxonomy ) && | |
| 'nav_menu' === $menu_obj->taxonomy | |
| ) { | |
| return true; | |
| } | |
| return false; | |
| } | |
| /** | |
| * Registers navigation menu locations for a theme. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @global array $_wp_registered_nav_menus | |
| * | |
| * @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' ); | |
| foreach ( $locations as $key => $value ) { | |
| if ( is_int( $key ) ) { | |
| _doing_it_wrong( __FUNCTION__, __( 'Nav menu locations must be strings.' ), '5.3.0' ); | |
| break; | |
| } | |
| } | |
| $_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations ); | |
| } | |
| /** | |
| * Unregisters a navigation menu location for a theme. | |
| * | |
| * @since 3.1.0 | |
| * | |
| * @global array $_wp_registered_nav_menus | |
| * | |
| * @param string $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 ] ); | |
| if ( empty( $_wp_registered_nav_menus ) ) { | |
| _remove_theme_support( 'menus' ); | |
| } | |
| return true; | |
| } | |
| return false; | |
| } | |
| /** | |
| * Registers a navigation menu location 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 ) ); | |
| } | |
| /** | |
| * Retrieves all registered navigation menu locations in a theme. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @global array $_wp_registered_nav_menus | |
| * | |
| * @return array Registered navigation menu locations. If none are registered, an empty array. | |
| */ | |
| function get_registered_nav_menus() { | |
| global $_wp_registered_nav_menus; | |
| if ( isset( $_wp_registered_nav_menus ) ) { | |
| return $_wp_registered_nav_menus; | |
| } | |
| return array(); | |
| } | |
| /** | |
| * Retrieves all registered navigation menu locations and the menus assigned to them. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @return array Registered navigation menu locations and the menus assigned them. | |
| * If none are registered, an empty array. | |
| */ | |
| function get_nav_menu_locations() { | |
| $locations = get_theme_mod( 'nav_menu_locations' ); | |
| return ( is_array( $locations ) ) ? $locations : array(); | |
| } | |
| /** | |
| * Determines 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 ) { | |
| $has_nav_menu = false; | |
| $registered_nav_menus = get_registered_nav_menus(); | |
| if ( isset( $registered_nav_menus[ $location ] ) ) { | |
| $locations = get_nav_menu_locations(); | |
| $has_nav_menu = ! empty( $locations[ $location ] ); | |
| } | |
| /** | |
| * Filters whether a nav menu is assigned to the specified location. | |
| * | |
| * @since 4.3.0 | |
| * | |
| * @param bool $has_nav_menu Whether there is a menu assigned to a location. | |
| * @param string $location Menu location. | |
| */ | |
| return apply_filters( 'has_nav_menu', $has_nav_menu, $location ); | |
| } | |
| /** | |
| * Returns the name of a navigation menu. | |
| * | |
| * @since 4.9.0 | |
| * | |
| * @param string $location Menu location identifier. | |
| * @return string Menu name. | |
| */ | |
| function wp_get_nav_menu_name( $location ) { | |
| $menu_name = ''; | |
| $locations = get_nav_menu_locations(); | |
| if ( isset( $locations[ $location ] ) ) { | |
| $menu = wp_get_nav_menu_object( $locations[ $location ] ); | |
| if ( $menu && $menu->name ) { | |
| $menu_name = $menu->name; | |
| } | |
| } | |
| /** | |
| * Filters the navigation menu name being returned. | |
| * | |
| * @since 4.9.0 | |
| * | |
| * @param string $menu_name Menu name. | |
| * @param string $location Menu location identifier. | |
| */ | |
| return apply_filters( 'wp_get_nav_menu_name', $menu_name, $location ); | |
| } | |
| /** | |
| * Determines 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( $menu_item_id ) ) ); | |
| } | |
| /** | |
| * Creates a navigation menu. | |
| * | |
| * Note that `$menu_name` is expected to be pre-slashed. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param string $menu_name Menu name. | |
| * @return int|WP_Error Menu ID on success, WP_Error object on failure. | |
| */ | |
| function wp_create_nav_menu( $menu_name ) { | |
| // expected_slashed ($menu_name) | |
| return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) ); | |
| } | |
| /** | |
| * Delete a Navigation Menu. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int|string|WP_Term $menu Menu ID, slug, name, or object. | |
| * @return bool|WP_Error True on success, false or WP_Error object 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' ); | |
| // Remove this menu from any locations. | |
| $locations = get_nav_menu_locations(); | |
| foreach ( $locations as $location => $menu_id ) { | |
| if ( $menu_id == $menu->term_id ) { | |
| $locations[ $location ] = 0; | |
| } | |
| } | |
| set_theme_mod( 'nav_menu_locations', $locations ); | |
| if ( $result && ! is_wp_error( $result ) ) { | |
| /** | |
| * Fires after a navigation menu has been successfully deleted. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int $term_id ID of the deleted menu. | |
| */ | |
| do_action( 'wp_delete_nav_menu', $menu->term_id ); | |
| } | |
| return $result; | |
| } | |
| /** | |
| * Save the properties of a menu or create a new menu with those properties. | |
| * | |
| * Note that `$menu_data` is expected to be pre-slashed. | |
| * | |
| * @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|WP_Error Menu ID on success, WP_Error object on failure. | |
| */ | |
| function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) { | |
| // expected_slashed ($menu_data) | |
| $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( | |
| /* translators: %s: Menu name. */ | |
| __( 'The menu name %s conflicts with another menu name. Please try another.' ), | |
| '<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>' | |
| ) | |
| ); | |
| } | |
| // 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( | |
| /* translators: %s: Menu name. */ | |
| __( 'The menu name %s conflicts with another menu name. Please try another.' ), | |
| '<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>' | |
| ) | |
| ); | |
| } | |
| $_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args ); | |
| if ( is_wp_error( $_menu ) ) { | |
| return $_menu; | |
| } | |
| /** | |
| * Fires after a navigation menu is successfully created. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int $term_id ID of the new menu. | |
| * @param array $menu_data An array of menu data. | |
| */ | |
| 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; | |
| } | |
| $menu_id = (int) $update_response['term_id']; | |
| /** | |
| * Fires after a navigation menu has been successfully updated. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int $menu_id ID of the updated menu. | |
| * @param array $menu_data An array of menu data. | |
| */ | |
| 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. | |
| * | |
| * The menu-item-title, menu-item-description, and menu-item-attr-title are expected | |
| * to be pre-slashed since they are passed directly into `wp_insert_post()`. | |
| * | |
| * @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|WP_Error 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 ) { | |
| return new WP_Error( 'invalid_menu_id', __( 'Invalid menu ID.' ) ); | |
| } | |
| if ( is_wp_error( $menu ) ) { | |
| return $menu; | |
| } | |
| $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'] ) { | |
| $menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) ); | |
| $last_item = array_pop( $menu_items ); | |
| $args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : count( $menu_items ); | |
| } | |
| $original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0; | |
| if ( 'custom' === $args['menu-item-type'] ) { | |
| // If custom menu item, trim the URL. | |
| $args['menu-item-url'] = trim( $args['menu-item-url'] ); | |
| } else { | |
| /* | |
| * If non-custom menu item, then: | |
| * - use the original object's URL. | |
| * - blank default title to sync with the original object's title. | |
| */ | |
| $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; | |
| } elseif ( 'post_type_archive' === $args['menu-item-type'] ) { | |
| $original_object = get_post_type_object( $args['menu-item-object'] ); | |
| if ( $original_object ) { | |
| $original_title = $original_object->labels->archives; | |
| } | |
| } | |
| if ( wp_unslash( $args['menu-item-title'] ) === wp_specialchars_decode( $original_title ) ) { | |
| $args['menu-item-title'] = ''; | |
| } | |
| // Hack to get wp to create a post object when too many properties are empty. | |
| if ( '' === $args['menu-item-title'] && '' === $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', | |
| ); | |
| $update = 0 != $menu_item_db_id; | |
| // New menu item. Default is draft status. | |
| if ( ! $update ) { | |
| $post['ID'] = 0; | |
| $post['post_status'] = 'publish' === $args['menu-item-status'] ? 'publish' : 'draft'; | |
| $menu_item_db_id = wp_insert_post( $post ); | |
| if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) ) { | |
| return $menu_item_db_id; | |
| } | |
| /** | |
| * Fires immediately after a new navigation menu item has been added. | |
| * | |
| * @since 4.4.0 | |
| * | |
| * @see wp_update_nav_menu_item() | |
| * | |
| * @param int $menu_id ID of the updated menu. | |
| * @param int $menu_item_db_id ID of the new menu item. | |
| * @param array $args An array of arguments used to update/add the menu item. | |
| */ | |
| do_action( 'wp_add_nav_menu_item', $menu_id, $menu_item_db_id, $args ); | |
| } | |
| // Associate the menu item with the menu term. | |
| // Only set the menu term if it isn't set to avoid unnecessary wp_get_object_terms(). | |
| if ( $menu_id && ( ! $update || ! is_object_in_term( $menu_item_db_id, 'nav_menu', (int) $menu->term_id ) ) ) { | |
| wp_set_object_terms( $menu_item_db_id, array( $menu->term_id ), 'nav_menu' ); | |
| } | |
| if ( 'custom' === $args['menu-item-type'] ) { | |
| $args['menu-item-object-id'] = $menu_item_db_id; | |
| $args['menu-item-object'] = 'custom'; | |
| } | |
| $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', (string) ( (int) $args['menu-item-parent-id'] ) ); | |
| update_post_meta( $menu_item_db_id, '_menu_item_object_id', (string) ( (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', (string) time() ); | |
| } elseif ( get_post_meta( $menu_item_db_id, '_menu_item_orphaned' ) ) { | |
| delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' ); | |
| } | |
| // Update existing menu item. Default is publish status. | |
| if ( $update ) { | |
| $post['ID'] = $menu_item_db_id; | |
| $post['post_status'] = ( 'draft' === $args['menu-item-status'] ) ? 'draft' : 'publish'; | |
| wp_update_post( $post ); | |
| } | |
| /** | |
| * Fires after a navigation menu item has been updated. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @see wp_update_nav_menu_item() | |
| * | |
| * @param int $menu_id ID of the updated menu. | |
| * @param int $menu_item_db_id ID of the updated menu item. | |
| * @param array $args An array of arguments used to update a menu item. | |
| */ | |
| 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 | |
| * @since 4.1.0 Default value of the 'orderby' argument was changed from 'none' | |
| * to 'name'. | |
| * | |
| * @param array $args Optional. Array of arguments passed on to get_terms(). | |
| * Default empty array. | |
| * @return WP_Term[] An array of menu objects. | |
| */ | |
| function wp_get_nav_menus( $args = array() ) { | |
| $defaults = array( | |
| 'taxonomy' => 'nav_menu', | |
| 'hide_empty' => false, | |
| 'orderby' => 'name', | |
| ); | |
| $args = wp_parse_args( $args, $defaults ); | |
| /** | |
| * Filters the navigation menu objects being returned. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @see get_terms() | |
| * | |
| * @param WP_Term[] $menus An array of menu objects. | |
| * @param array $args An array of arguments used to retrieve menu objects. | |
| */ | |
| return apply_filters( 'wp_get_nav_menus', get_terms( $args ), $args ); | |
| } | |
| /** | |
| * Return if a menu item is valid. | |
| * | |
| * @link https://core.trac.wordpress.org/ticket/13958 | |
| * | |
| * @since 3.2.0 | |
| * @access private | |
| * | |
| * @param object $item The menu item to check. | |
| * @return bool False if invalid, otherwise true. | |
| */ | |
| function _is_valid_nav_menu_item( $item ) { | |
| return empty( $item->_invalid ); | |
| } | |
| /** | |
| * Retrieves all menu items of a navigation menu. | |
| * | |
| * Note: Most arguments passed to the `$args` parameter – save for 'output_key' – are | |
| * specifically for retrieving nav_menu_item posts from get_posts() and may only | |
| * indirectly affect the ultimate ordering and content of the resulting nav menu | |
| * items that get returned from this function. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param int|string|WP_Term $menu Menu ID, slug, name, or object. | |
| * @param array $args { | |
| * Optional. Arguments to pass to get_posts(). | |
| * | |
| * @type string $order How to order nav menu items as queried with get_posts(). Will be ignored | |
| * if 'output' is ARRAY_A. Default 'ASC'. | |
| * @type string $orderby Field to order menu items by as retrieved from get_posts(). Supply an orderby | |
| * field via 'output_key' to affect the output order of nav menu items. | |
| * Default 'menu_order'. | |
| * @type string $post_type Menu items post type. Default 'nav_menu_item'. | |
| * @type string $post_status Menu items post status. Default 'publish'. | |
| * @type string $output How to order outputted menu items. Default ARRAY_A. | |
| * @type string $output_key Key to use for ordering the actual menu items that get returned. Note that | |
| * that is not a get_posts() argument and will only affect output of menu items | |
| * processed in this function. Default 'menu_order'. | |
| * @type bool $nopaging Whether to retrieve all menu items (true) or paginate (false). Default true. | |
| * } | |
| * @return array|false Array of menu items, otherwise false. | |
| */ | |
| function wp_get_nav_menu_items( $menu, $args = array() ) { | |
| $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 ( is_wp_error( $items ) ) { | |
| return false; | |
| } | |
| $defaults = array( | |
| 'order' => 'ASC', | |
| 'orderby' => 'menu_order', | |
| 'post_type' => 'nav_menu_item', | |
| 'post_status' => 'publish', | |
| 'output' => ARRAY_A, | |
| 'output_key' => 'menu_order', | |
| 'nopaging' => true, | |
| ); | |
| $args = wp_parse_args( $args, $defaults ); | |
| $args['include'] = $items; | |
| if ( ! empty( $items ) ) { | |
| $items = get_posts( $args ); | |
| } else { | |
| $items = array(); | |
| } | |
| // 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( | |
| array( | |
| 'taxonomy' => $taxonomy, | |
| 'include' => $terms[ $taxonomy ], | |
| 'hierarchical' => false, | |
| ) | |
| ); | |
| } | |
| } | |
| unset( $terms ); | |
| } | |
| $items = array_map( 'wp_setup_nav_menu_item', $items ); | |
| if ( ! is_admin() ) { // Remove invalid items only on front end. | |
| $items = array_filter( $items, '_is_valid_nav_menu_item' ); | |
| } | |
| if ( ARRAY_A == $args['output'] ) { | |
| $items = wp_list_sort( | |
| $items, | |
| array( | |
| $args['output_key'] => 'ASC', | |
| ) | |
| ); | |
| $i = 1; | |
| foreach ( $items as $k => $item ) { | |
| $items[ $k ]->{$args['output_key']} = $i++; | |
| } | |
| } | |
| /** | |
| * Filters the navigation menu items being returned. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param array $items An array of menu item post objects. | |
| * @param object $menu The menu object. | |
| * @param array $args An array of arguments used to retrieve menu item objects. | |
| */ | |
| return apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args ); | |
| } | |
| /** | |
| * Decorates a menu item object with the shared navigation menu item properties. | |
| * | |
| * Properties: | |
| * - ID: The term_id if the menu item represents a taxonomy term. | |
| * - 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. | |
| * - db_id: The DB ID of this item as a nav_menu_item object, if it exists (0 if it doesn't exist). | |
| * - description: The description of this menu item. | |
| * - menu_item_parent: The DB ID of the nav_menu_item that is this item's menu parent, if any. 0 otherwise. | |
| * - object: The type of object originally represented, such as 'category', 'post', or 'attachment'. | |
| * - object_id: The DB ID of the original object this menu item represents, e.g. ID for posts and term_id for categories. | |
| * - post_parent: The DB ID of the original object's parent object, if any (0 otherwise). | |
| * - post_title: A "no title" label if menu item represents a post that lacks a title. | |
| * - target: The target attribute of the link element for this menu item. | |
| * - title: The title of this menu item. | |
| * - type: The family of objects originally represented, such as 'post_type' or 'taxonomy'. | |
| * - type_label: The singular label used to describe this type of menu item. | |
| * - url: The URL to which this menu item points. | |
| * - xfn: The XFN relationship expressed in the link of this menu item. | |
| * - _invalid: Whether the menu item represents an object that no longer exists. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param object $menu_item The menu item to modify. | |
| * @return object 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 = ! isset( $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 = ! isset( $menu_item->object_id ) ? get_post_meta( $menu_item->ID, '_menu_item_object_id', true ) : $menu_item->object_id; | |
| $menu_item->object = ! isset( $menu_item->object ) ? get_post_meta( $menu_item->ID, '_menu_item_object', true ) : $menu_item->object; | |
| $menu_item->type = ! isset( $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; | |
| // Denote post states for special pages (only in the admin). | |
| if ( function_exists( 'get_post_states' ) ) { | |
| $menu_post = get_post( $menu_item->object_id ); | |
| $post_states = get_post_states( $menu_post ); | |
| if ( $post_states ) { | |
| $menu_item->type_label = wp_strip_all_tags( implode( ', ', $post_states ) ); | |
| } | |
| } | |
| } else { | |
| $menu_item->type_label = $menu_item->object; | |
| $menu_item->_invalid = true; | |
| } | |
| if ( 'trash' === get_post_status( $menu_item->object_id ) ) { | |
| $menu_item->_invalid = true; | |
| } | |
| $original_object = get_post( $menu_item->object_id ); | |
| if ( $original_object ) { | |
| $menu_item->url = get_permalink( $original_object->ID ); | |
| /** This filter is documented in wp-includes/post-template.php */ | |
| $original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID ); | |
| } else { | |
| $menu_item->url = ''; | |
| $original_title = ''; | |
| $menu_item->_invalid = true; | |
| } | |
| if ( '' === $original_title ) { | |
| /* translators: %d: ID of a post. */ | |
| $original_title = sprintf( __( '#%d (no title)' ), $menu_item->object_id ); | |
| } | |
| $menu_item->title = ( '' === $menu_item->post_title ) ? $original_title : $menu_item->post_title; | |
| } elseif ( 'post_type_archive' === $menu_item->type ) { | |
| $object = get_post_type_object( $menu_item->object ); | |
| if ( $object ) { | |
| $menu_item->title = ( '' === $menu_item->post_title ) ? $object->labels->archives : $menu_item->post_title; | |
| $post_type_description = $object->description; | |
| } else { | |
| $post_type_description = ''; | |
| $menu_item->_invalid = true; | |
| } | |
| $menu_item->type_label = __( 'Post Type Archive' ); | |
| $post_content = wp_trim_words( $menu_item->post_content, 200 ); | |
| $post_type_description = ( '' === $post_content ) ? $post_type_description : $post_content; | |
| $menu_item->url = get_post_type_archive_link( $menu_item->object ); | |
| } 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; | |
| } | |
| $original_object = get_term( (int) $menu_item->object_id, $menu_item->object ); | |
| if ( $original_object && ! is_wp_error( $original_object ) ) { | |
| $menu_item->url = get_term_link( (int) $menu_item->object_id, $menu_item->object ); | |
| $original_title = $original_object->name; | |
| } else { | |
| $menu_item->url = ''; | |
| $original_title = ''; | |
| $menu_item->_invalid = true; | |
| } | |
| if ( '' === $original_title ) { | |
| /* translators: %d: ID of a term. */ | |
| $original_title = sprintf( __( '#%d (no title)' ), $menu_item->object_id ); | |
| } | |
| $menu_item->title = ( '' === $menu_item->post_title ) ? $original_title : $menu_item->post_title; | |
| } else { | |
| $menu_item->type_label = __( 'Custom Link' ); | |
| $menu_item->title = $menu_item->post_title; | |
| $menu_item->url = ! isset( $menu_item->url ) ? get_post_meta( $menu_item->ID, '_menu_item_url', true ) : $menu_item->url; | |
| } | |
| $menu_item->target = ! isset( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target; | |
| /** | |
| * Filters a navigation menu item's title attribute. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param string $item_title The menu item title attribute. | |
| */ | |
| $menu_item->attr_title = ! isset( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title; | |
| if ( ! isset( $menu_item->description ) ) { | |
| /** | |
| * Filters a navigation menu item's description. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param string $description The menu item description. | |
| */ | |
| $menu_item->description = apply_filters( 'nav_menu_description', wp_trim_words( $menu_item->post_content, 200 ) ); | |
| } | |
| $menu_item->classes = ! isset( $menu_item->classes ) ? (array) get_post_meta( $menu_item->ID, '_menu_item_classes', true ) : $menu_item->classes; | |
| $menu_item->xfn = ! isset( $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; | |
| if ( '' === $menu_item->post_title ) { | |
| /* translators: %d: ID of a post. */ | |
| $menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID ); | |
| } | |
| $menu_item->title = $menu_item->post_title; | |
| $menu_item->url = get_permalink( $menu_item->ID ); | |
| $menu_item->target = ''; | |
| /** This filter is documented in wp-includes/nav-menu.php */ | |
| $menu_item->attr_title = apply_filters( 'nav_menu_attr_title', '' ); | |
| /** This filter is documented in wp-includes/nav-menu.php */ | |
| $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 = ''; | |
| } | |
| /** | |
| * Filters a navigation menu item object. | |
| * | |
| * @since 3.0.0 | |
| * | |
| * @param object $menu_item The menu item object. | |
| */ | |
| 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 Optional. The ID of the original object. Default 0. | |
| * @param string $object_type Optional. The type of object, such as 'post_type' or 'taxonomy'. | |
| * Default 'post_type'. | |
| * @param string $taxonomy Optional. If $object_type is 'taxonomy', $taxonomy is the name | |
| * of the tax that $object_id belongs to. Default empty. | |
| * @return int[] The array of menu item IDs; empty array if none. | |
| */ | |
| function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type', $taxonomy = '' ) { | |
| $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 ) ) { | |
| $menu_item_type = get_post_meta( $menu_item->ID, '_menu_item_type', true ); | |
| if ( | |
| 'post_type' === $object_type && | |
| 'post_type' === $menu_item_type | |
| ) { | |
| $menu_item_ids[] = (int) $menu_item->ID; | |
| } elseif ( | |
| 'taxonomy' === $object_type && | |
| 'taxonomy' === $menu_item_type && | |
| get_post_meta( $menu_item->ID, '_menu_item_object', true ) == $taxonomy | |
| ) { | |
| $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 ) { | |
| $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 ); | |
| } | |
| } | |
| /** | |
| * Serves as a 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. | |
| * @param int $tt_id Term taxonomy ID. Unused. | |
| * @param string $taxonomy Taxonomy slug. | |
| */ | |
| function _wp_delete_tax_menu_item( $object_id, $tt_id, $taxonomy ) { | |
| $object_id = (int) $object_id; | |
| $menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'taxonomy', $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 WP_Post $post The post object being transitioned from one status to another. | |
| */ | |
| 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 ); | |
| } | |
| } | |
| /** | |
| * Delete auto-draft posts associated with the supplied changeset. | |
| * | |
| * @since 4.8.0 | |
| * @access private | |
| * | |
| * @param int $post_id Post ID for the customize_changeset. | |
| */ | |
| function _wp_delete_customize_changeset_dependent_auto_drafts( $post_id ) { | |
| $post = get_post( $post_id ); | |
| if ( ! $post || 'customize_changeset' !== $post->post_type ) { | |
| return; | |
| } | |
| $data = json_decode( $post->post_content, true ); | |
| if ( empty( $data['nav_menus_created_posts']['value'] ) ) { | |
| return; | |
| } | |
| remove_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' ); | |
| foreach ( $data['nav_menus_created_posts']['value'] as $stub_post_id ) { | |
| if ( empty( $stub_post_id ) ) { | |
| continue; | |
| } | |
| if ( 'auto-draft' === get_post_status( $stub_post_id ) ) { | |
| wp_delete_post( $stub_post_id, true ); | |
| } elseif ( 'draft' === get_post_status( $stub_post_id ) ) { | |
| wp_trash_post( $stub_post_id ); | |
| delete_post_meta( $stub_post_id, '_customize_changeset_uuid' ); | |
| } | |
| } | |
| add_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' ); | |
| } | |
| /** | |
| * Handle menu config after theme change. | |
| * | |
| * @access private | |
| * @since 4.9.0 | |
| */ | |
| function _wp_menus_changed() { | |
| $old_nav_menu_locations = get_option( 'theme_switch_menu_locations', array() ); | |
| $new_nav_menu_locations = get_nav_menu_locations(); | |
| $mapped_nav_menu_locations = wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations ); | |
| set_theme_mod( 'nav_menu_locations', $mapped_nav_menu_locations ); | |
| delete_option( 'theme_switch_menu_locations' ); | |
| } | |
| /** | |
| * Maps nav menu locations according to assignments in previously active theme. | |
| * | |
| * @since 4.9.0 | |
| * | |
| * @param array $new_nav_menu_locations New nav menu locations assignments. | |
| * @param array $old_nav_menu_locations Old nav menu locations assignments. | |
| * @return array Nav menus mapped to new nav menu locations. | |
| */ | |
| function wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations ) { | |
| $registered_nav_menus = get_registered_nav_menus(); | |
| $new_nav_menu_locations = array_intersect_key( $new_nav_menu_locations, $registered_nav_menus ); | |
| // Short-circuit if there are no old nav menu location assignments to map. | |
| if ( empty( $old_nav_menu_locations ) ) { | |
| return $new_nav_menu_locations; | |
| } | |
| // If old and new theme have just one location, map it and we're done. | |
| if ( 1 === count( $old_nav_menu_locations ) && 1 === count( $registered_nav_menus ) ) { | |
| $new_nav_menu_locations[ key( $registered_nav_menus ) ] = array_pop( $old_nav_menu_locations ); | |
| return $new_nav_menu_locations; | |
| } | |
| $old_locations = array_keys( $old_nav_menu_locations ); | |
| // Map locations with the same slug. | |
| foreach ( $registered_nav_menus as $location => $name ) { | |
| if ( in_array( $location, $old_locations, true ) ) { | |
| $new_nav_menu_locations[ $location ] = $old_nav_menu_locations[ $location ]; | |
| unset( $old_nav_menu_locations[ $location ] ); | |
| } | |
| } | |
| // If there are no old nav menu locations left, then we're done. | |
| if ( empty( $old_nav_menu_locations ) ) { | |
| return $new_nav_menu_locations; | |
| } | |
| /* | |
| * If old and new theme both have locations that contain phrases | |
| * from within the same group, make an educated guess and map it. | |
| */ | |
| $common_slug_groups = array( | |
| array( 'primary', 'menu-1', 'main', 'header', 'navigation', 'top' ), | |
| array( 'secondary', 'menu-2', 'footer', 'subsidiary', 'bottom' ), | |
| array( 'social' ), | |
| ); | |
| // Go through each group... | |
| foreach ( $common_slug_groups as $slug_group ) { | |
| // ...and see if any of these slugs... | |
| foreach ( $slug_group as $slug ) { | |
| // ...and any of the new menu locations... | |
| foreach ( $registered_nav_menus as $new_location => $name ) { | |
| // ...actually match! | |
| if ( is_string( $new_location ) && false === stripos( $new_location, $slug ) && false === stripos( $slug, $new_location ) ) { | |
| continue; | |
| } elseif ( is_numeric( $new_location ) && $new_location !== $slug ) { | |
| continue; | |
| } | |
| // Then see if any of the old locations... | |
| foreach ( $old_nav_menu_locations as $location => $menu_id ) { | |
| // ...and any slug in the same group... | |
| foreach ( $slug_group as $slug ) { | |
| // ... have a match as well. | |
| if ( is_string( $location ) && false === stripos( $location, $slug ) && false === stripos( $slug, $location ) ) { | |
| continue; | |
| } elseif ( is_numeric( $location ) && $location !== $slug ) { | |
| continue; | |
| } | |
| // Make sure this location wasn't mapped and removed previously. | |
| if ( ! empty( $old_nav_menu_locations[ $location ] ) ) { | |
| // We have a match that can be mapped! | |
| $new_nav_menu_locations[ $new_location ] = $old_nav_menu_locations[ $location ]; | |
| // Remove the mapped location so it can't be mapped again. | |
| unset( $old_nav_menu_locations[ $location ] ); | |
| // Go back and check the next new menu location. | |
| continue 3; | |
| } | |
| } // End foreach ( $slug_group as $slug ). | |
| } // End foreach ( $old_nav_menu_locations as $location => $menu_id ). | |
| } // End foreach foreach ( $registered_nav_menus as $new_location => $name ). | |
| } // End foreach ( $slug_group as $slug ). | |
| } // End foreach ( $common_slug_groups as $slug_group ). | |
| return $new_nav_menu_locations; | |
| } |