rest_ensure_response( WP_REST_Response|WP_Error|WP_HTTP_Response|mixed $response ): WP_REST_Response|WP_Error

690function rest_ensure_response( $response ) {691	if ( is_wp_error( $response ) ) {692		return $response;693	}694 695	if ( $response instanceof WP_REST_Response ) {696		return $response;697	}698 699	/*700	 * While WP_HTTP_Response is the base class of WP_REST_Response, it doesn't provide701	 * all the required methods used in WP_REST_Server::dispatch().702	 */703	if ( $response instanceof WP_HTTP_Response ) {704		return new WP_REST_Response(705			$response->get_data(),706			$response->get_status(),707			$response->get_headers()708		);709	}710 711	return new WP_REST_Response( $response );712}