删除导航菜单。
原型
wp_delete_nav_menu( int|string|WP_Term $menu )
参数
$menu
(int|string|WP_Term)
(Required)
菜单ID,slug,名称或对象。
返回值
(bool|WP_Error)
成功,虚假或
源文件
路径:wp-includes/nav-menu.php
<?php
...
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;
}
...
?>
其他
英文文档:https://developer.wordpress.org/reference/functions/wp_delete_nav_menu/