public static function get_old_user() {
		$cookie = user_switching_get_olduser_cookie();
		if ( ! empty( $cookie ) ) {
			$old_user_id = wp_validate_auth_cookie( $cookie, 'logged_in' );

			if ( $old_user_id ) {
				return get_userdata( $old_user_id );
			}
		}
		return false;
	}