1265 lines
41 KiB
PHP
1265 lines
41 KiB
PHP
<?php
|
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/**
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* Navigation Menu functions
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*
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* @package WordPress
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* @subpackage Nav_Menus
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* @since 3.0.0
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*/
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/**
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* Returns a navigation menu object.
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*
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* @since 3.0.0
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*
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* @param int|string|WP_Term $menu Menu ID, slug, name, or object.
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* @return WP_Term|false Menu object on success, false if $menu param isn't supplied or term does not exist.
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*/
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function wp_get_nav_menu_object( $menu ) {
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$menu_obj = false;
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if ( is_object( $menu ) ) {
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$menu_obj = $menu;
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}
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if ( $menu && ! $menu_obj ) {
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$menu_obj = get_term( $menu, 'nav_menu' );
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if ( ! $menu_obj ) {
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$menu_obj = get_term_by( 'slug', $menu, 'nav_menu' );
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}
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if ( ! $menu_obj ) {
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$menu_obj = get_term_by( 'name', $menu, 'nav_menu' );
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}
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}
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if ( ! $menu_obj || is_wp_error( $menu_obj ) ) {
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$menu_obj = false;
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}
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/**
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* Filters the nav_menu term retrieved for wp_get_nav_menu_object().
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*
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* @since 4.3.0
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*
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* @param WP_Term|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found.
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* @param int|string|WP_Term $menu The menu ID, slug, name, or object passed to wp_get_nav_menu_object().
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*/
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return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu );
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}
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/**
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* Check if the given ID is a navigation menu.
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*
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* Returns true if it is; false otherwise.
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*
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* @since 3.0.0
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*
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* @param int|string|WP_Term $menu Menu ID, slug, name, or object of menu to check.
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* @return bool Whether the menu exists.
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*/
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function is_nav_menu( $menu ) {
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if ( ! $menu ) {
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return false;
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}
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$menu_obj = wp_get_nav_menu_object( $menu );
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if (
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$menu_obj &&
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! is_wp_error( $menu_obj ) &&
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! empty( $menu_obj->taxonomy ) &&
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'nav_menu' === $menu_obj->taxonomy
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) {
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return true;
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}
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return false;
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}
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/**
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* Registers navigation menu locations for a theme.
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*
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* @since 3.0.0
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*
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* @global array $_wp_registered_nav_menus
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*
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* @param string[] $locations Associative array of menu location identifiers (like a slug) and descriptive text.
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*/
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function register_nav_menus( $locations = array() ) {
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global $_wp_registered_nav_menus;
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add_theme_support( 'menus' );
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foreach ( $locations as $key => $value ) {
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if ( is_int( $key ) ) {
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_doing_it_wrong( __FUNCTION__, __( 'Nav menu locations must be strings.' ), '5.3.0' );
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break;
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}
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}
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$_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations );
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}
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/**
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* Unregisters a navigation menu location for a theme.
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*
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* @since 3.1.0
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*
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* @global array $_wp_registered_nav_menus
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*
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* @param string $location The menu location identifier.
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* @return bool True on success, false on failure.
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*/
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function unregister_nav_menu( $location ) {
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global $_wp_registered_nav_menus;
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if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[ $location ] ) ) {
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unset( $_wp_registered_nav_menus[ $location ] );
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if ( empty( $_wp_registered_nav_menus ) ) {
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_remove_theme_support( 'menus' );
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}
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return true;
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}
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return false;
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}
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/**
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* Registers a navigation menu location for a theme.
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*
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* @since 3.0.0
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*
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* @param string $location Menu location identifier, like a slug.
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* @param string $description Menu location descriptive text.
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*/
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function register_nav_menu( $location, $description ) {
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register_nav_menus( array( $location => $description ) );
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}
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/**
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* Retrieves all registered navigation menu locations in a theme.
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*
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* @since 3.0.0
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*
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* @global array $_wp_registered_nav_menus
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*
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* @return string[] Associative array of egistered navigation menu descriptions keyed
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* by their location. If none are registered, an empty array.
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*/
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function get_registered_nav_menus() {
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global $_wp_registered_nav_menus;
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if ( isset( $_wp_registered_nav_menus ) ) {
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return $_wp_registered_nav_menus;
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}
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return array();
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}
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/**
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* Retrieves all registered navigation menu locations and the menus assigned to them.
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*
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* @since 3.0.0
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*
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* @return int[] Associative array of registered navigation menu IDs keyed by their
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* location name. If none are registered, an empty array.
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*/
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function get_nav_menu_locations() {
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$locations = get_theme_mod( 'nav_menu_locations' );
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return ( is_array( $locations ) ) ? $locations : array();
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}
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/**
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* Determines whether a registered nav menu location has a menu assigned to it.
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*
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* @since 3.0.0
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*
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* @param string $location Menu location identifier.
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* @return bool Whether location has a menu.
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*/
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function has_nav_menu( $location ) {
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$has_nav_menu = false;
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$registered_nav_menus = get_registered_nav_menus();
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if ( isset( $registered_nav_menus[ $location ] ) ) {
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$locations = get_nav_menu_locations();
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$has_nav_menu = ! empty( $locations[ $location ] );
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}
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/**
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* Filters whether a nav menu is assigned to the specified location.
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*
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* @since 4.3.0
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*
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* @param bool $has_nav_menu Whether there is a menu assigned to a location.
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* @param string $location Menu location.
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*/
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return apply_filters( 'has_nav_menu', $has_nav_menu, $location );
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}
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/**
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* Returns the name of a navigation menu.
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*
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* @since 4.9.0
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*
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* @param string $location Menu location identifier.
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* @return string Menu name.
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*/
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function wp_get_nav_menu_name( $location ) {
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$menu_name = '';
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$locations = get_nav_menu_locations();
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if ( isset( $locations[ $location ] ) ) {
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$menu = wp_get_nav_menu_object( $locations[ $location ] );
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if ( $menu && $menu->name ) {
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$menu_name = $menu->name;
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}
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}
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/**
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* Filters the navigation menu name being returned.
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*
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* @since 4.9.0
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*
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* @param string $menu_name Menu name.
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* @param string $location Menu location identifier.
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*/
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return apply_filters( 'wp_get_nav_menu_name', $menu_name, $location );
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}
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/**
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* Determines whether the given ID is a nav menu item.
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*
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* @since 3.0.0
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*
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* @param int $menu_item_id The ID of the potential nav menu item.
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* @return bool Whether the given ID is that of a nav menu item.
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*/
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function is_nav_menu_item( $menu_item_id = 0 ) {
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return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' === get_post_type( $menu_item_id ) ) );
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}
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/**
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* Creates a navigation menu.
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*
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* Note that `$menu_name` is expected to be pre-slashed.
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*
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* @since 3.0.0
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*
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* @param string $menu_name Menu name.
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* @return int|WP_Error Menu ID on success, WP_Error object on failure.
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*/
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function wp_create_nav_menu( $menu_name ) {
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// expected_slashed ($menu_name)
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return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) );
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}
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/**
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* Delete a Navigation Menu.
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*
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* @since 3.0.0
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*
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* @param int|string|WP_Term $menu Menu ID, slug, name, or object.
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* @return bool|WP_Error True on success, false or WP_Error object on failure.
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*/
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function wp_delete_nav_menu( $menu ) {
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$menu = wp_get_nav_menu_object( $menu );
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if ( ! $menu ) {
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return false;
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}
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$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' );
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if ( ! empty( $menu_objects ) ) {
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foreach ( $menu_objects as $item ) {
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wp_delete_post( $item );
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}
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}
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$result = wp_delete_term( $menu->term_id, 'nav_menu' );
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// Remove this menu from any locations.
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$locations = get_nav_menu_locations();
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foreach ( $locations as $location => $menu_id ) {
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if ( $menu_id == $menu->term_id ) {
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$locations[ $location ] = 0;
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}
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}
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set_theme_mod( 'nav_menu_locations', $locations );
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if ( $result && ! is_wp_error( $result ) ) {
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/**
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* Fires after a navigation menu has been successfully deleted.
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*
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* @since 3.0.0
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*
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* @param int $term_id ID of the deleted menu.
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*/
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do_action( 'wp_delete_nav_menu', $menu->term_id );
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}
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return $result;
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}
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/**
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* Save the properties of a menu or create a new menu with those properties.
|
||
*
|
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* Note that `$menu_data` is expected to be pre-slashed.
|
||
*
|
||
* @since 3.0.0
|
||
*
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* @param int $menu_id The ID of the menu or "0" to create a new menu.
|
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* @param array $menu_data The array of menu data.
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* @return int|WP_Error Menu ID on success, WP_Error object on failure.
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*/
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function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) {
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// expected_slashed ($menu_data)
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$menu_id = (int) $menu_id;
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$_menu = wp_get_nav_menu_object( $menu_id );
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$args = array(
|
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'description' => ( isset( $menu_data['description'] ) ? $menu_data['description'] : '' ),
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'name' => ( isset( $menu_data['menu-name'] ) ? $menu_data['menu-name'] : '' ),
|
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'parent' => ( isset( $menu_data['parent'] ) ? (int) $menu_data['parent'] : 0 ),
|
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'slug' => null,
|
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);
|
||
|
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// 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' );
|
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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 $menu_id;
|
||
}
|
||
|
||
/**
|
||
* Save the properties of a menu item or create a new one.
|
||
*
|
||
* The menu-item-title, menu-item-description and menu-item-attr-title are expected
|
||
* to be pre-slashed since they are passed directly to APIs that expect slashed data.
|
||
*
|
||
* @since 3.0.0
|
||
* @since 5.9.0 Added the `$fire_after_hooks` parameter.
|
||
*
|
||
* @param int $menu_id The ID of the menu. 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.
|
||
* @param bool $fire_after_hooks Whether to fire the after insert hooks. Default true.
|
||
* @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(), $fire_after_hooks = true ) {
|
||
$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' => '',
|
||
'menu-item-post-date' => '',
|
||
'menu-item-post-date-gmt' => '',
|
||
);
|
||
|
||
$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',
|
||
);
|
||
|
||
$post_date = wp_resolve_post_date( $args['menu-item-post-date'], $args['menu-item-post-date-gmt'] );
|
||
if ( $post_date ) {
|
||
$post['post_date'] = $post_date;
|
||
}
|
||
|
||
$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, true, $fire_after_hooks );
|
||
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 ) ) ) {
|
||
$update_terms = wp_set_object_terms( $menu_item_db_id, array( $menu->term_id ), 'nav_menu' );
|
||
if ( is_wp_error( $update_terms ) ) {
|
||
return $update_terms;
|
||
}
|
||
}
|
||
|
||
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';
|
||
|
||
$update_post = wp_update_post( $post, true );
|
||
if ( is_wp_error( $update_post ) ) {
|
||
return $update_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();
|
||
}
|
||
|
||
// Prime posts and terms caches.
|
||
if ( empty( $fetched[ $menu->term_id ] ) ) {
|
||
$fetched[ $menu->term_id ] = true;
|
||
$post_ids = array();
|
||
$term_ids = array();
|
||
foreach ( $items as $item ) {
|
||
$object_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
|
||
$type = get_post_meta( $item->ID, '_menu_item_type', true );
|
||
|
||
if ( 'post_type' === $type ) {
|
||
$post_ids[] = (int) $object_id;
|
||
} elseif ( 'taxonomy' === $type ) {
|
||
$term_ids[] = (int) $object_id;
|
||
}
|
||
}
|
||
|
||
if ( ! empty( $post_ids ) ) {
|
||
_prime_post_caches( $post_ids, false );
|
||
}
|
||
unset( $post_ids );
|
||
|
||
if ( ! empty( $term_ids ) ) {
|
||
_prime_term_caches( $term_ids );
|
||
}
|
||
unset( $term_ids );
|
||
}
|
||
|
||
$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;
|
||
}
|