create_initial_rest_routes()

function create_initial_rest_routes() {
	foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
		$class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller';

		if ( ! class_exists( $class ) ) {
			continue;
		}
		$controller = new $class( $post_type->name );
		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
			continue;
		}

		$controller->register_routes();

		if ( post_type_supports( $post_type->name, 'revisions' ) ) {
			$revisions_controller = new WP_REST_Revisions_Controller( $post_type->name );
			$revisions_controller->register_routes();
		}
	}

	// Post types.
	$controller = new WP_REST_Post_Types_Controller;
	$controller->register_routes();

	// Post statuses.
	$controller = new WP_REST_Post_Statuses_Controller;
	$controller->register_routes();

	// Taxonomies.
	$controller = new WP_REST_Taxonomies_Controller;
	$controller->register_routes();

	// Terms.
	foreach ( get_taxonomies( array( 'show_in_rest' => true ), 'object' ) as $taxonomy ) {
		$class = ! empty( $taxonomy->rest_controller_class ) ? $taxonomy->rest_controller_class : 'WP_REST_Terms_Controller';

		if ( ! class_exists( $class ) ) {
			continue;
		}
		$controller = new $class( $taxonomy->name );
		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
			continue;
		}

		$controller->register_routes();
	}

	// Users.
	$controller = new WP_REST_Users_Controller;
	$controller->register_routes();

	// Comments.
	$controller = new WP_REST_Comments_Controller;
	$controller->register_routes();

	// Settings.
	$controller = new WP_REST_Settings_Controller;
	$controller->register_routes();
}