has_nav_menu( string $location ): bool

178function has_nav_menu( $location ) {179	$has_nav_menu = false;180 181	$registered_nav_menus = get_registered_nav_menus();182	if ( isset( $registered_nav_menus[ $location ] ) ) {183		$locations    = get_nav_menu_locations();184		$has_nav_menu = ! empty( $locations[ $location ] );185	}186 187	/**188	 * Filters whether a nav menu is assigned to the specified location.189	 *190	 * @since 4.3.0191	 *192	 * @param bool   $has_nav_menu Whether there is a menu assigned to a location.193	 * @param string $location     Menu location.194	 */195	return apply_filters( 'has_nav_menu', $has_nav_menu, $location );196}