* @param array $request $_REQUEST object.
	 * @return (void|WP_Error)
	 */
	public static function bulk_enroll_students( $request ) {

		if ( ! current_user_can( 'manage_lifterlms' ) ) {
			wp_die();
		}

		if ( empty( $request['post_id'] ) || empty( $request['student_ids'] ) || ! is_array( $request['student_ids'] ) ) {
			return new WP_Error( 400, __( 'Missing required parameters', 'lifterlms' ) );
		}