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ff411ed5f4
Trashed posts cannot be accessed by site visitors and thus should not be visible on the front end. By marking menu items of trashed posts as invalid, they are excluded from the output. Props solarissmoke, swissspidy. Fixes #19038. Built from https://develop.svn.wordpress.org/trunk@38744 git-svn-id: http://core.svn.wordpress.org/trunk@38687 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1011 lines
32 KiB
PHP
1011 lines
32 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, or name - or the menu object.
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* @return WP_Term|false False if $menu param isn't supplied or term does not exist, menu object if successful.
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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 object|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found.
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* @param string $menu The menu ID, slug, or name 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 $menu The menu to check (ID, slug, or name).
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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 ( ! $menu )
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return false;
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$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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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 array $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 $_wp_registered_nav_menus;
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add_theme_support( 'menus' );
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$_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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* @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 array Registered navigation menu locations. 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 $_wp_registered_nav_menus;
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return array();
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}
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/**
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* Retrieves all registered navigation menu locations and the menus assigned to them.
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*
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* @since 3.0.0
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*
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* @return array Registered navigation menu locations and the menus assigned them.
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* If none are registered, an empty array.
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*/
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function get_nav_menu_locations() {
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$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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* 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 string $menu Menu ID, slug, or name.
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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 ( ! $menu )
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return false;
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$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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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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return $result;
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}
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/**
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* Save the properties of a menu or create a new menu with those properties.
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*
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* Note that `$menu_data` 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 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) $menu_data['parent'] : 0 ),
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'slug' => null,
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);
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// double-check that we're not going to have one menu take the name of another
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$_possible_existing = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
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if (
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$_possible_existing &&
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! is_wp_error( $_possible_existing ) &&
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isset( $_possible_existing->term_id ) &&
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$_possible_existing->term_id != $menu_id
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) {
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return new WP_Error( 'menu_exists',
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/* translators: %s: menu name */
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sprintf( __( 'The menu name %s conflicts with another menu name. Please try another.' ),
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'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>'
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)
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);
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}
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// menu doesn't already exist, so create a new menu
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if ( ! $_menu || is_wp_error( $_menu ) ) {
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$menu_exists = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
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if ( $menu_exists ) {
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return new WP_Error( 'menu_exists',
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/* translators: %s: menu name */
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sprintf( __( 'The menu name %s conflicts with another menu name. Please try another.' ),
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'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>'
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)
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);
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}
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$_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args );
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if ( is_wp_error( $_menu ) )
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return $_menu;
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/**
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* Fires after a navigation menu is successfully created.
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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 new menu.
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* @param array $menu_data An array of menu data.
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*/
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do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data );
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return (int) $_menu['term_id'];
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}
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if ( ! $_menu || ! isset( $_menu->term_id ) )
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return 0;
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$menu_id = (int) $_menu->term_id;
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$update_response = wp_update_term( $menu_id, 'nav_menu', $args );
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if ( is_wp_error( $update_response ) )
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return $update_response;
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$menu_id = (int) $update_response['term_id'];
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/**
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* Fires after a navigation menu has been successfully updated.
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*
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* @since 3.0.0
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*
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* @param int $menu_id ID of the updated menu.
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* @param array $menu_data An array of menu data.
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*/
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do_action( 'wp_update_nav_menu', $menu_id, $menu_data );
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return $menu_id;
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}
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/**
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* Save the properties of a menu item or create a new one.
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*
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* The menu-item-title, menu-item-description, and menu-item-attr-title are expected
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* to be pre-slashed since they are passed directly into `wp_insert_post()`.
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*
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* @since 3.0.0
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*
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* @param int $menu_id The ID of the menu. Required. If "0", makes the menu item a draft orphan.
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* @param int $menu_item_db_id The ID of the menu item. If "0", creates a new menu item.
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* @param array $menu_item_data The menu item's data.
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* @return int|WP_Error The menu item's database ID or WP_Error object on failure.
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*/
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function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item_data = array() ) {
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$menu_id = (int) $menu_id;
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$menu_item_db_id = (int) $menu_item_db_id;
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// make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects
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if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) )
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return new WP_Error( 'update_nav_menu_item_failed', __( 'The given object ID is not that of a menu item.' ) );
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$menu = wp_get_nav_menu_object( $menu_id );
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if ( ! $menu && 0 !== $menu_id ) {
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return new WP_Error( 'invalid_menu_id', __( 'Invalid menu ID.' ) );
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}
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if ( is_wp_error( $menu ) ) {
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return $menu;
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}
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$defaults = array(
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'menu-item-db-id' => $menu_item_db_id,
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'menu-item-object-id' => 0,
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'menu-item-object' => '',
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'menu-item-parent-id' => 0,
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'menu-item-position' => 0,
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'menu-item-type' => 'custom',
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'menu-item-title' => '',
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'menu-item-url' => '',
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'menu-item-description' => '',
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'menu-item-attr-title' => '',
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'menu-item-target' => '',
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'menu-item-classes' => '',
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'menu-item-xfn' => '',
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'menu-item-status' => '',
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);
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$args = wp_parse_args( $menu_item_data, $defaults );
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if ( 0 == $menu_id ) {
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$args['menu-item-position'] = 1;
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} elseif ( 0 == (int) $args['menu-item-position'] ) {
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$menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
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$last_item = array_pop( $menu_items );
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$args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : count( $menu_items );
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}
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$original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0;
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if ( 'custom' != $args['menu-item-type'] ) {
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/* if non-custom menu item, then:
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* use original object's URL
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* blank default title to sync with original object's
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*/
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$args['menu-item-url'] = '';
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$original_title = '';
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if ( 'taxonomy' == $args['menu-item-type'] ) {
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$original_parent = get_term_field( 'parent', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
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$original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
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} elseif ( 'post_type' == $args['menu-item-type'] ) {
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$original_object = get_post( $args['menu-item-object-id'] );
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$original_parent = (int) $original_object->post_parent;
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$original_title = $original_object->post_title;
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} elseif ( 'post_type_archive' == $args['menu-item-type'] ) {
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$original_object = get_post_type_object( $args['menu-item-object'] );
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if ( $original_object ) {
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$original_title = $original_object->labels->archives;
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}
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}
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if ( $args['menu-item-title'] == $original_title )
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$args['menu-item-title'] = '';
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// hack to get wp to create a post object when too many properties are empty
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if ( '' == $args['menu-item-title'] && '' == $args['menu-item-description'] )
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$args['menu-item-description'] = ' ';
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}
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// Populate the menu item object
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$post = array(
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'menu_order' => $args['menu-item-position'],
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'ping_status' => 0,
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'post_content' => $args['menu-item-description'],
|
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'post_excerpt' => $args['menu-item-attr-title'],
|
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'post_parent' => $original_parent,
|
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'post_title' => $args['menu-item-title'],
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'post_type' => 'nav_menu_item',
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);
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$update = 0 != $menu_item_db_id;
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// New menu item. Default is draft status
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if ( ! $update ) {
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$post['ID'] = 0;
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$post['post_status'] = 'publish' == $args['menu-item-status'] ? 'publish' : 'draft';
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$menu_item_db_id = wp_insert_post( $post );
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if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) )
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return $menu_item_db_id;
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|
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/**
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|
* Fires immediately after a new navigation menu item has been added.
|
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*
|
|
* @since 4.4.0
|
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*
|
|
* @see wp_update_nav_menu_item()
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|
*
|
|
* @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.
|
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*/
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do_action( 'wp_add_nav_menu_item', $menu_id, $menu_item_db_id, $args );
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}
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|
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// 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', strval( (int) $args['menu-item-parent-id'] ) );
|
|
update_post_meta( $menu_item_db_id, '_menu_item_object_id', strval( (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 array Menu objects.
|
|
*/
|
|
function wp_get_nav_menus( $args = array() ) {
|
|
$defaults = array( '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 array $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( 'nav_menu', $args), $args );
|
|
}
|
|
|
|
/**
|
|
* Sort menu items by the desired key.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*
|
|
* @global string $_menu_item_sort_prop
|
|
*
|
|
* @param object $a The first object to compare
|
|
* @param object $b The second object to compare
|
|
* @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
|
|
*/
|
|
function _sort_nav_menu_items( $a, $b ) {
|
|
global $_menu_item_sort_prop;
|
|
|
|
if ( empty( $_menu_item_sort_prop ) )
|
|
return 0;
|
|
|
|
if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
|
|
return 0;
|
|
|
|
$_a = (int) $a->$_menu_item_sort_prop;
|
|
$_b = (int) $b->$_menu_item_sort_prop;
|
|
|
|
if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
|
|
return 0;
|
|
elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
|
|
return $_a < $_b ? -1 : 1;
|
|
else
|
|
return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
|
|
}
|
|
|
|
/**
|
|
* 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 );
|
|
}
|
|
|
|
/**
|
|
* Return all menu items of a navigation menu.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @global string $_menu_item_sort_prop
|
|
* @staticvar array $fetched
|
|
*
|
|
* @param string $menu Menu name, ID, or slug.
|
|
* @param array $args Optional. Arguments to pass to get_posts().
|
|
* @return false|array $items 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( $taxonomy, array(
|
|
'include' => $terms[ $taxonomy ],
|
|
'hierarchical' => false,
|
|
) );
|
|
}
|
|
}
|
|
unset($terms);
|
|
}
|
|
|
|
$items = array_map( 'wp_setup_nav_menu_item', $items );
|
|
|
|
if ( ! is_admin() ) { // Remove invalid items only in front end
|
|
$items = array_filter( $items, '_is_valid_nav_menu_item' );
|
|
}
|
|
|
|
if ( ARRAY_A == $args['output'] ) {
|
|
$GLOBALS['_menu_item_sort_prop'] = $args['output_key'];
|
|
usort($items, '_sort_nav_menu_items');
|
|
$i = 1;
|
|
foreach ( $items as $k => $item ) {
|
|
$items[$k]->{$args['output_key']} = $i++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 $menu_item The menu item with standard menu item properties.
|
|
*/
|
|
function wp_setup_nav_menu_item( $menu_item ) {
|
|
if ( isset( $menu_item->post_type ) ) {
|
|
if ( 'nav_menu_item' == $menu_item->post_type ) {
|
|
$menu_item->db_id = (int) $menu_item->ID;
|
|
$menu_item->menu_item_parent = ! 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;
|
|
} 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;
|
|
}
|
|
|
|
$menu_item->url = get_permalink( $menu_item->object_id );
|
|
|
|
$original_object = get_post( $menu_item->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 );
|
|
|
|
if ( '' === $original_title ) {
|
|
/* translators: %d: ID of a post */
|
|
$original_title = sprintf( __( '#%d (no title)' ), $original_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 {
|
|
$menu_item->_invalid = true;
|
|
$post_type_description = '';
|
|
}
|
|
|
|
$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;
|
|
}
|
|
|
|
$term_url = get_term_link( (int) $menu_item->object_id, $menu_item->object );
|
|
$menu_item->url = !is_wp_error( $term_url ) ? $term_url : '';
|
|
|
|
$original_title = get_term_field( 'name', $menu_item->object_id, $menu_item->object, 'raw' );
|
|
if ( is_wp_error( $original_title ) )
|
|
$original_title = false;
|
|
$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;
|
|
|
|
} else {
|
|
$menu_item->type_label = __('Custom 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 The ID of the original object.
|
|
* @param string $object_type The type of object, such as "taxonomy" or "post_type."
|
|
* @param string $taxonomy If $object_type is "taxonomy", $taxonomy is the name of the tax that $object_id belongs to
|
|
* @return array The array of menu item IDs; empty array if none;
|
|
*/
|
|
function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type', $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 = 0 ) {
|
|
$object_id = (int) $object_id;
|
|
|
|
$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' );
|
|
|
|
foreach ( (array) $menu_item_ids as $menu_item_id ) {
|
|
wp_delete_post( $menu_item_id, true );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 Optional. The ID of the original object being trashed. Default 0.
|
|
* @param int $tt_id Term taxonomy ID. Unused.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
function _wp_delete_tax_menu_item( $object_id = 0, $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 object $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 );
|
|
}
|
|
}
|