apply_filters( 'rest_dispatch_request', mixed $dispatch_result, WP_REST_Request $request, string $route, array $handler )

1286			 *1287			 * @param mixed           $dispatch_result Dispatch result, will be used if not empty.1288			 * @param WP_REST_Request $request         Request used to generate the response.1289			 * @param string          $route           Route matched for the request.1290			 * @param array           $handler         Route handler used for the request.1291			 */1292			$dispatch_result = apply_filters( 'rest_dispatch_request', null, $request, $route, $handler );1293 1294			// Allow plugins to halt the request via this filter.1295			if ( null !== $dispatch_result ) {1296				$response = $dispatch_result;1297			} else {1298				$response = call_user_func( $handler['callback'], $request );