public static function update_actions() {

		if ( empty( $_GET['llms-db-update'] ) ) {
			return;
		}

		if ( ! isset( $_REQUEST['llms-db-update'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['llms-db-update'] ) ), 'do_db_updates' ) ) {
			wp_die( esc_html__( 'Action failed. Please refresh the page and retry.', 'lifterlms' ) );
		}

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( esc_html__( 'You are not allowed to perform the requested action.', 'lifterlms' ) );
		}

		LLMS_Admin_Notices::delete_notice( 'bg-db-update' );

		$upgrader = new LLMS_DB_Upgrader( get_option( 'lifterlms_db_version' ) );
		$upgrader->enqueue_updates();
		llms_redirect_and_exit( remove_query_arg( array( 'llms-db-update' ) ) );
	}