English: An optional custom controller to use instead of <a href="https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/" target="_blank">WP_REST_Posts_Controller</a>. Must be a subclass of <a href="https://developer.wordpress.org/reference/classes/wp_rest_controller/" target="_blank">WP_REST_Controller</a>. Default: <a href="https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/" target="_blank">WP_REST_Posts_Controller</a>.
Dutch: Een optionele aangepaste controller om te gebruiken in plaats van <a href="https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/" target="_blank">WP_REST_Posts_Controller</a>. Moet een subklasse zijn van <a href="https://developer.wordpress.org/reference/classes/wp_rest_controller/" target="_blank">WP_REST_Controller</a>. Standaard: <a href="https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/" target="_blank">WP_REST_Posts_Controller</a>.