* @uses get_term
* @uses get_term_by
*
- * @param string $menu Menu id, slug or name
+ * @param string $menu Menu ID, slug, or name.
* @return mixed false if $menu param isn't supplied or term does not exist, menu object if successful.
*/
function wp_get_nav_menu_object( $menu ) {
*
* @since 3.0.0
*
- * @param int|string $menu The menu to check (id, slug, or name)
+ * @param int|string $menu The menu to check (ID, slug, or name).
* @return bool Whether the menu exists.
*/
function is_nav_menu( $menu ) {
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;
*/
function get_nav_menu_locations() {
- return get_theme_mod( 'nav_menu_locations' );
+ $locations = get_theme_mod( 'nav_menu_locations' );
+ return ( is_array( $locations ) ) ? $locations : array();
}
/**
* @return bool Whether location has a menu.
*/
function has_nav_menu( $location ) {
+ global $_wp_registered_nav_menus;
+
+ if ( ! isset( $_wp_registered_nav_menus[ $location ] ) ) {
+ return false;
+ }
+
$locations = get_nav_menu_locations();
return ( ! empty( $locations[ $location ] ) );
}
*
* @since 3.0.0
*
- * @param string $menu_name Menu Name
- * @return mixed Menu object on success|WP_Error on failure
+ * @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 ) {
return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) );
*
* @since 3.0.0
*
- * @param string $menu name|id|slug
- * @return mixed Menu object on success|WP_Error on failure
+ * @param string $menu Menu ID, slug, or name.
+ * @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 );
$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;
*
* @param int $menu_id The ID of the menu or "0" to create a new menu.
* @param array $menu_data The array of menu data.
- * @return int|error object The menu's ID or WP_Error object.
+ * @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() ) {
$menu_id = (int) $menu_id;
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 ( is_wp_error( $update_response ) )
return $update_response;
+ /**
+ * 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;
}
* @param int $menu_id The ID of the menu. Required. If "0", makes the menu item a draft orphan.
* @param int $menu_item_db_id The ID of the menu item. If "0", creates a new menu item.
* @param array $menu_item_data The menu item's data.
- * @return int The menu item's database ID or WP_Error object on failure.
+ * @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;
// 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.'));
+ return new WP_Error( 'update_nav_menu_item_failed', __( 'The given object ID is not that of a menu item.' ) );
$menu = wp_get_nav_menu_object( $menu_id );
- if ( ( ! $menu && 0 !== $menu_id ) || is_wp_error( $menu ) )
+ 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,
$original_title = $original_object->post_title;
}
- if ( empty( $args['menu-item-title'] ) || $args['menu-item-title'] == $original_title ) {
+ 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 ( empty( $args['menu-item-description'] ) )
- $args['menu-item-description'] = ' ';
- }
+ // 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
$update = 0 != $menu_item_db_id;
- // 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 ) ) )
- $post['tax_input'] = array( 'nav_menu' => array( intval( $menu->term_id ) ) );
-
// New menu item. Default is draft status
if ( ! $update ) {
$post['ID'] = 0;
return $menu_item_db_id;
}
+ // 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';
wp_update_post( $post );
}
- do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args );
+ /**
+ * Fires after a navigation menu item has been updated.
+ *
+ * @since 3.0.0
+ *
+ * @see wp_update_nav_menu_items()
+ *
+ * @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;
}
function wp_get_nav_menus( $args = array() ) {
$defaults = array( 'hide_empty' => false, 'orderby' => 'none' );
$args = wp_parse_args( $args, $defaults );
+
+ /**
+ * Filter 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 );
}
* @return mixed $items array of menu items, else false.
*/
function wp_get_nav_menu_items( $menu, $args = array() ) {
- global $_wp_using_ext_object_cache;
-
$menu = wp_get_nav_menu_object( $menu );
if ( ! $menu )
$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 );
- if ( count( $items ) > 1 )
- $args['include'] = implode( ',', $items );
- else
- $args['include'] = $items[0];
+ $args['include'] = $items;
$items = get_posts( $args );
return false;
// Get all posts and terms at once to prime the caches
- if ( empty( $fetched[$menu->term_id] ) || $_wp_using_ext_object_cache ) {
+ if ( empty( $fetched[$menu->term_id] ) || wp_using_ext_object_cache() ) {
$fetched[$menu->term_id] = true;
$posts = array();
$terms = array();
}
}
+ /**
+ * Filter 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 );
}
$menu_item->target = empty( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target;
+ /**
+ * Filter a navigation menu item's title attribute.
+ *
+ * @since 3.0.0
+ *
+ * @param string $item_title The menu item title attribute.
+ */
$menu_item->attr_title = empty( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title;
- if ( empty( $menu_item->description ) )
- $menu_item->description = apply_filters( 'nav_menu_description', wp_trim_words( $menu_item->post_content, 200 ) );
+ if ( empty( $menu_item->description ) ) {
+ /**
+ * Filter 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 = empty( $menu_item->classes ) ? (array) get_post_meta( $menu_item->ID, '_menu_item_classes', true ) : $menu_item->classes;
$menu_item->xfn = empty( $menu_item->xfn ) ? get_post_meta( $menu_item->ID, '_menu_item_xfn', true ) : $menu_item->xfn;
$menu_item->object = $object->name;
$menu_item->type_label = $object->labels->singular_name;
+ if ( '' === $menu_item->post_title )
+ $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 = '';
}
+ /**
+ * Filter 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 );
}
*
* @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' ) {
+function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type', $taxonomy = '' ) {
$object_id = (int) $object_id;
$menu_item_ids = array();
);
foreach( (array) $menu_items as $menu_item ) {
if ( isset( $menu_item->ID ) && is_nav_menu_item( $menu_item->ID ) ) {
- if ( get_post_meta( $menu_item->ID, '_menu_item_type', true ) != $object_type )
- continue;
-
- $menu_item_ids[] = (int) $menu_item->ID;
+ $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;
+ } else if (
+ '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;
+ }
}
}
* @param int $object_id The ID of the original object being trashed.
*
*/
-function _wp_delete_tax_menu_item( $object_id = 0 ) {
+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' );
+ $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 );