apply_filters( 'rest_pre_serve_request', bool $served, WP_HTTP_Response $result, WP_REST_Request $request, WP_REST_Server $server )

Filters whether the REST API request has already been served.

Description

Allow sending the request manually – by returning true, the API result will not be sent to the client.

$served: (bool) Whether the request has already been served. Default false.
$result: (WP_HTTP_Response) Result to send to the client. Usually a WP_REST_Response.
$request: (WP_REST_Request) Request used to generate the response.
$server: (WP_REST_Server) Server instance.

Used By	Description
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::serve_request()	Handles serving a REST API request.

Version	Description
4.4.0	Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/rest_pre_serve_request