How to set custom headers when returning REST API data in Wordpress?
To achieve this goal we will use WP_REST_Response class, because this class can allow us to set custom headers.
In our case we will set X-WP-Total & X-WP-TotalPages used for pagination:
To achieve this goal we will use WP_REST_Response class, because this class can allow us to set custom headers.
In our case we will set X-WP-Total & X-WP-TotalPages used for pagination:
$response = new WP_REST_Response($data, 200);
$response->header( 'X-WP-Total', $total ); // total = total number of post
$response->header( 'X-WP-TotalPages', $max_pages ); // maximum number of pages
return $response;