You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1255 lines
40 KiB
1255 lines
40 KiB
<?php |
|
/** |
|
* Navigation Menu functions |
|
* |
|
* @package WordPress |
|
* @subpackage Nav_Menus |
|
* @since 3.0.0 |
|
*/ |
|
|
|
/** |
|
* Returns a navigation menu object. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int|string|WP_Term $menu Menu ID, slug, name, or object. |
|
* @return WP_Term|false False if $menu param isn't supplied or term does not exist, menu object if successful. |
|
*/ |
|
function wp_get_nav_menu_object( $menu ) { |
|
$menu_obj = false; |
|
|
|
if ( is_object( $menu ) ) { |
|
$menu_obj = $menu; |
|
} |
|
|
|
if ( $menu && ! $menu_obj ) { |
|
$menu_obj = get_term( $menu, 'nav_menu' ); |
|
|
|
if ( ! $menu_obj ) { |
|
$menu_obj = get_term_by( 'slug', $menu, 'nav_menu' ); |
|
} |
|
|
|
if ( ! $menu_obj ) { |
|
$menu_obj = get_term_by( 'name', $menu, 'nav_menu' ); |
|
} |
|
} |
|
|
|
if ( ! $menu_obj || is_wp_error( $menu_obj ) ) { |
|
$menu_obj = false; |
|
} |
|
|
|
/** |
|
* Filters the nav_menu term retrieved for wp_get_nav_menu_object(). |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @param WP_Term|false $menu_obj Term from nav_menu taxonomy, or false if nothing had been found. |
|
* @param int|string|WP_Term $menu The menu ID, slug, name, or object passed to wp_get_nav_menu_object(). |
|
*/ |
|
return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu ); |
|
} |
|
|
|
/** |
|
* Check if the given ID is a navigation menu. |
|
* |
|
* Returns true if it is; false otherwise. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int|string|WP_Term $menu Menu ID, slug, name, or object of menu to check. |
|
* @return bool Whether the menu exists. |
|
*/ |
|
function is_nav_menu( $menu ) { |
|
if ( ! $menu ) { |
|
return false; |
|
} |
|
|
|
$menu_obj = wp_get_nav_menu_object( $menu ); |
|
|
|
if ( |
|
$menu_obj && |
|
! is_wp_error( $menu_obj ) && |
|
! empty( $menu_obj->taxonomy ) && |
|
'nav_menu' == $menu_obj->taxonomy |
|
) { |
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/** |
|
* Registers navigation menu locations for a theme. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @global array $_wp_registered_nav_menus |
|
* |
|
* @param array $locations Associative array of menu location identifiers (like a slug) and descriptive text. |
|
*/ |
|
function register_nav_menus( $locations = array() ) { |
|
global $_wp_registered_nav_menus; |
|
|
|
add_theme_support( 'menus' ); |
|
|
|
foreach ( $locations as $key => $value ) { |
|
if ( is_int( $key ) ) { |
|
_doing_it_wrong( __FUNCTION__, __( 'Nav menu locations must be strings.' ), '5.3.0' ); |
|
break; |
|
} |
|
} |
|
|
|
$_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations ); |
|
} |
|
|
|
/** |
|
* Unregisters a navigation menu location for a theme. |
|
* |
|
* @since 3.1.0 |
|
* @global array $_wp_registered_nav_menus |
|
* |
|
* @param string $location The menu location identifier. |
|
* @return bool True on success, false on failure. |
|
*/ |
|
function unregister_nav_menu( $location ) { |
|
global $_wp_registered_nav_menus; |
|
|
|
if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[ $location ] ) ) { |
|
unset( $_wp_registered_nav_menus[ $location ] ); |
|
if ( empty( $_wp_registered_nav_menus ) ) { |
|
_remove_theme_support( 'menus' ); |
|
} |
|
return true; |
|
} |
|
return false; |
|
} |
|
|
|
/** |
|
* Registers a navigation menu location for a theme. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param string $location Menu location identifier, like a slug. |
|
* @param string $description Menu location descriptive text. |
|
*/ |
|
function register_nav_menu( $location, $description ) { |
|
register_nav_menus( array( $location => $description ) ); |
|
} |
|
/** |
|
* Retrieves all registered navigation menu locations in a theme. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @global array $_wp_registered_nav_menus |
|
* |
|
* @return array Registered navigation menu locations. If none are registered, an empty array. |
|
*/ |
|
function get_registered_nav_menus() { |
|
global $_wp_registered_nav_menus; |
|
if ( isset( $_wp_registered_nav_menus ) ) { |
|
return $_wp_registered_nav_menus; |
|
} |
|
return array(); |
|
} |
|
|
|
/** |
|
* Retrieves all registered navigation menu locations and the menus assigned to them. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @return array Registered navigation menu locations and the menus assigned them. |
|
* If none are registered, an empty array. |
|
*/ |
|
|
|
function get_nav_menu_locations() { |
|
$locations = get_theme_mod( 'nav_menu_locations' ); |
|
return ( is_array( $locations ) ) ? $locations : array(); |
|
} |
|
|
|
/** |
|
* Determines whether a registered nav menu location has a menu assigned to it. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param string $location Menu location identifier. |
|
* @return bool Whether location has a menu. |
|
*/ |
|
function has_nav_menu( $location ) { |
|
$has_nav_menu = false; |
|
|
|
$registered_nav_menus = get_registered_nav_menus(); |
|
if ( isset( $registered_nav_menus[ $location ] ) ) { |
|
$locations = get_nav_menu_locations(); |
|
$has_nav_menu = ! empty( $locations[ $location ] ); |
|
} |
|
|
|
/** |
|
* Filters whether a nav menu is assigned to the specified location. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @param bool $has_nav_menu Whether there is a menu assigned to a location. |
|
* @param string $location Menu location. |
|
*/ |
|
return apply_filters( 'has_nav_menu', $has_nav_menu, $location ); |
|
} |
|
|
|
/** |
|
* Returns the name of a navigation menu. |
|
* |
|
* @since 4.9.0 |
|
* |
|
* @param string $location Menu location identifier. |
|
* @return string Menu name. |
|
*/ |
|
function wp_get_nav_menu_name( $location ) { |
|
$menu_name = ''; |
|
|
|
$locations = get_nav_menu_locations(); |
|
|
|
if ( isset( $locations[ $location ] ) ) { |
|
$menu = wp_get_nav_menu_object( $locations[ $location ] ); |
|
|
|
if ( $menu && $menu->name ) { |
|
$menu_name = $menu->name; |
|
} |
|
} |
|
|
|
/** |
|
* Filters the navigation menu name being returned. |
|
* |
|
* @since 4.9.0 |
|
* |
|
* @param string $menu_name Menu name. |
|
* @param string $location Menu location identifier. |
|
*/ |
|
return apply_filters( 'wp_get_nav_menu_name', $menu_name, $location ); |
|
} |
|
|
|
/** |
|
* Determines whether the given ID is a nav menu item. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $menu_item_id The ID of the potential nav menu item. |
|
* @return bool Whether the given ID is that of a nav menu item. |
|
*/ |
|
function is_nav_menu_item( $menu_item_id = 0 ) { |
|
return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) ); |
|
} |
|
|
|
/** |
|
* Creates a navigation menu. |
|
* |
|
* Note that `$menu_name` is expected to be pre-slashed. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param string $menu_name Menu name. |
|
* @return int|WP_Error Menu ID on success, WP_Error object on failure. |
|
*/ |
|
function wp_create_nav_menu( $menu_name ) { |
|
// expected_slashed ($menu_name) |
|
return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) ); |
|
} |
|
|
|
/** |
|
* Delete a Navigation Menu. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int|string|WP_Term $menu Menu ID, slug, name, or object. |
|
* @return bool|WP_Error True on success, false or WP_Error object on failure. |
|
*/ |
|
function wp_delete_nav_menu( $menu ) { |
|
$menu = wp_get_nav_menu_object( $menu ); |
|
if ( ! $menu ) { |
|
return false; |
|
} |
|
|
|
$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' ); |
|
if ( ! empty( $menu_objects ) ) { |
|
foreach ( $menu_objects as $item ) { |
|
wp_delete_post( $item ); |
|
} |
|
} |
|
|
|
$result = wp_delete_term( $menu->term_id, 'nav_menu' ); |
|
|
|
// Remove this menu from any locations. |
|
$locations = get_nav_menu_locations(); |
|
foreach ( $locations as $location => $menu_id ) { |
|
if ( $menu_id == $menu->term_id ) { |
|
$locations[ $location ] = 0; |
|
} |
|
} |
|
set_theme_mod( 'nav_menu_locations', $locations ); |
|
|
|
if ( $result && ! is_wp_error( $result ) ) { |
|
|
|
/** |
|
* Fires after a navigation menu has been successfully deleted. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $term_id ID of the deleted menu. |
|
*/ |
|
do_action( 'wp_delete_nav_menu', $menu->term_id ); |
|
} |
|
|
|
return $result; |
|
} |
|
|
|
/** |
|
* Save the properties of a menu or create a new menu with those properties. |
|
* |
|
* Note that `$menu_data` is expected to be pre-slashed. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $menu_id The ID of the menu or "0" to create a new menu. |
|
* @param array $menu_data The array of menu data. |
|
* @return int|WP_Error Menu ID on success, WP_Error object on failure. |
|
*/ |
|
function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) { |
|
// expected_slashed ($menu_data) |
|
$menu_id = (int) $menu_id; |
|
|
|
$_menu = wp_get_nav_menu_object( $menu_id ); |
|
|
|
$args = array( |
|
'description' => ( isset( $menu_data['description'] ) ? $menu_data['description'] : '' ), |
|
'name' => ( isset( $menu_data['menu-name'] ) ? $menu_data['menu-name'] : '' ), |
|
'parent' => ( isset( $menu_data['parent'] ) ? (int) $menu_data['parent'] : 0 ), |
|
'slug' => null, |
|
); |
|
|
|
// double-check that we're not going to have one menu take the name of another |
|
$_possible_existing = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' ); |
|
if ( |
|
$_possible_existing && |
|
! is_wp_error( $_possible_existing ) && |
|
isset( $_possible_existing->term_id ) && |
|
$_possible_existing->term_id != $menu_id |
|
) { |
|
return new WP_Error( |
|
'menu_exists', |
|
sprintf( |
|
/* translators: %s: Menu name. */ |
|
__( 'The menu name %s conflicts with another menu name. Please try another.' ), |
|
'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>' |
|
) |
|
); |
|
} |
|
|
|
// menu doesn't already exist, so create a new menu |
|
if ( ! $_menu || is_wp_error( $_menu ) ) { |
|
$menu_exists = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' ); |
|
|
|
if ( $menu_exists ) { |
|
return new WP_Error( |
|
'menu_exists', |
|
sprintf( |
|
/* translators: %s: Menu name. */ |
|
__( 'The menu name %s conflicts with another menu name. Please try another.' ), |
|
'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>' |
|
) |
|
); |
|
} |
|
|
|
$_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args ); |
|
|
|
if ( is_wp_error( $_menu ) ) { |
|
return $_menu; |
|
} |
|
|
|
/** |
|
* Fires after a navigation menu is successfully created. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $term_id ID of the new menu. |
|
* @param array $menu_data An array of menu data. |
|
*/ |
|
do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data ); |
|
|
|
return (int) $_menu['term_id']; |
|
} |
|
|
|
if ( ! $_menu || ! isset( $_menu->term_id ) ) { |
|
return 0; |
|
} |
|
|
|
$menu_id = (int) $_menu->term_id; |
|
|
|
$update_response = wp_update_term( $menu_id, 'nav_menu', $args ); |
|
|
|
if ( is_wp_error( $update_response ) ) { |
|
return $update_response; |
|
} |
|
|
|
$menu_id = (int) $update_response['term_id']; |
|
|
|
/** |
|
* Fires after a navigation menu has been successfully updated. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $menu_id ID of the updated menu. |
|
* @param array $menu_data An array of menu data. |
|
*/ |
|
do_action( 'wp_update_nav_menu', $menu_id, $menu_data ); |
|
return $menu_id; |
|
} |
|
|
|
/** |
|
* Save the properties of a menu item or create a new one. |
|
* |
|
* The menu-item-title, menu-item-description, and menu-item-attr-title are expected |
|
* to be pre-slashed since they are passed directly into `wp_insert_post()`. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param int $menu_id The ID of the menu. Required. If "0", makes the menu item a draft orphan. |
|
* @param int $menu_item_db_id The ID of the menu item. If "0", creates a new menu item. |
|
* @param array $menu_item_data The menu item's data. |
|
* @return int|WP_Error The menu item's database ID or WP_Error object on failure. |
|
*/ |
|
function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item_data = array() ) { |
|
$menu_id = (int) $menu_id; |
|
$menu_item_db_id = (int) $menu_item_db_id; |
|
|
|
// make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects |
|
if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) ) { |
|
return new WP_Error( 'update_nav_menu_item_failed', __( 'The given object ID is not that of a menu item.' ) ); |
|
} |
|
|
|
$menu = wp_get_nav_menu_object( $menu_id ); |
|
|
|
if ( ! $menu && 0 !== $menu_id ) { |
|
return new WP_Error( 'invalid_menu_id', __( 'Invalid menu ID.' ) ); |
|
} |
|
|
|
if ( is_wp_error( $menu ) ) { |
|
return $menu; |
|
} |
|
|
|
$defaults = array( |
|
'menu-item-db-id' => $menu_item_db_id, |
|
'menu-item-object-id' => 0, |
|
'menu-item-object' => '', |
|
'menu-item-parent-id' => 0, |
|
'menu-item-position' => 0, |
|
'menu-item-type' => 'custom', |
|
'menu-item-title' => '', |
|
'menu-item-url' => '', |
|
'menu-item-description' => '', |
|
'menu-item-attr-title' => '', |
|
'menu-item-target' => '', |
|
'menu-item-classes' => '', |
|
'menu-item-xfn' => '', |
|
'menu-item-status' => '', |
|
); |
|
|
|
$args = wp_parse_args( $menu_item_data, $defaults ); |
|
|
|
if ( 0 == $menu_id ) { |
|
$args['menu-item-position'] = 1; |
|
} elseif ( 0 == (int) $args['menu-item-position'] ) { |
|
$menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) ); |
|
$last_item = array_pop( $menu_items ); |
|
$args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : count( $menu_items ); |
|
} |
|
|
|
$original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0; |
|
|
|
if ( 'custom' === $args['menu-item-type'] ) { |
|
// If custom menu item, trim the URL. |
|
$args['menu-item-url'] = trim( $args['menu-item-url'] ); |
|
} else { |
|
/* |
|
* If non-custom menu item, then: |
|
* - use the original object's URL. |
|
* - blank default title to sync with the original object's title. |
|
*/ |
|
|
|
$args['menu-item-url'] = ''; |
|
|
|
$original_title = ''; |
|
if ( 'taxonomy' == $args['menu-item-type'] ) { |
|
$original_parent = get_term_field( 'parent', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' ); |
|
$original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' ); |
|
} elseif ( 'post_type' == $args['menu-item-type'] ) { |
|
|
|
$original_object = get_post( $args['menu-item-object-id'] ); |
|
$original_parent = (int) $original_object->post_parent; |
|
$original_title = $original_object->post_title; |
|
} elseif ( 'post_type_archive' == $args['menu-item-type'] ) { |
|
$original_object = get_post_type_object( $args['menu-item-object'] ); |
|
if ( $original_object ) { |
|
$original_title = $original_object->labels->archives; |
|
} |
|
} |
|
|
|
if ( $args['menu-item-title'] == $original_title ) { |
|
$args['menu-item-title'] = ''; |
|
} |
|
|
|
// hack to get wp to create a post object when too many properties are empty |
|
if ( '' == $args['menu-item-title'] && '' == $args['menu-item-description'] ) { |
|
$args['menu-item-description'] = ' '; |
|
} |
|
} |
|
|
|
// Populate the menu item object |
|
$post = array( |
|
'menu_order' => $args['menu-item-position'], |
|
'ping_status' => 0, |
|
'post_content' => $args['menu-item-description'], |
|
'post_excerpt' => $args['menu-item-attr-title'], |
|
'post_parent' => $original_parent, |
|
'post_title' => $args['menu-item-title'], |
|
'post_type' => 'nav_menu_item', |
|
); |
|
|
|
$update = 0 != $menu_item_db_id; |
|
|
|
// New menu item. Default is draft status |
|
if ( ! $update ) { |
|
$post['ID'] = 0; |
|
$post['post_status'] = 'publish' == $args['menu-item-status'] ? 'publish' : 'draft'; |
|
$menu_item_db_id = wp_insert_post( $post ); |
|
if ( ! $menu_item_db_id || is_wp_error( $menu_item_db_id ) ) { |
|
return $menu_item_db_id; |
|
} |
|
|
|
/** |
|
* Fires immediately after a new navigation menu item has been added. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @see wp_update_nav_menu_item() |
|
* |
|
* @param int $menu_id ID of the updated menu. |
|
* @param int $menu_item_db_id ID of the new menu item. |
|
* @param array $args An array of arguments used to update/add the menu item. |
|
*/ |
|
do_action( 'wp_add_nav_menu_item', $menu_id, $menu_item_db_id, $args ); |
|
} |
|
|
|
// Associate the menu item with the menu term |
|
// Only set the menu term if it isn't set to avoid unnecessary wp_get_object_terms() |
|
if ( $menu_id && ( ! $update || ! is_object_in_term( $menu_item_db_id, 'nav_menu', (int) $menu->term_id ) ) ) { |
|
wp_set_object_terms( $menu_item_db_id, array( $menu->term_id ), 'nav_menu' ); |
|
} |
|
|
|
if ( 'custom' == $args['menu-item-type'] ) { |
|
$args['menu-item-object-id'] = $menu_item_db_id; |
|
$args['menu-item-object'] = 'custom'; |
|
} |
|
|
|
$menu_item_db_id = (int) $menu_item_db_id; |
|
|
|
update_post_meta( $menu_item_db_id, '_menu_item_type', sanitize_key( $args['menu-item-type'] ) ); |
|
update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', 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( |
|
'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 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( $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 |
|
* |
|
* @staticvar array $fetched |
|
* |
|
* @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 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( |
|
array( |
|
'taxonomy' => $taxonomy, |
|
'include' => $terms[ $taxonomy ], |
|
'hierarchical' => false, |
|
) |
|
); |
|
} |
|
} |
|
unset( $terms ); |
|
} |
|
|
|
$items = array_map( 'wp_setup_nav_menu_item', $items ); |
|
|
|
if ( ! is_admin() ) { // Remove invalid items only in 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 $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; |
|
} |
|
|
|
$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 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 ); |
|
} |
|
} |
|
|
|
/** |
|
* 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; |
|
} |
|
} // endforeach ( $slug_group as $slug ) |
|
} // endforeach ( $old_nav_menu_locations as $location => $menu_id ) |
|
} // endforeach foreach ( $registered_nav_menus as $new_location => $name ) |
|
} // endforeach ( $slug_group as $slug ) |
|
} // endforeach ( $common_slug_groups as $slug_group ) |
|
|
|
return $new_nav_menu_locations; |
|
}
|
|
|