<?php
/*
    This file is part of Hotseat Corner.

    Hotseat Corner is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Hotseat Corner is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Hotseat Corner.  If not, see <http://www.gnu.org/licenses/>.
*/
	class HSUtils_UID {
		public static function get($key = 'uid') {
			$dbh = HSUtils_DB::get();
			$dbq = "LOCK TABLES uids WRITE";
			$dbh->prepare($dbq)->execute();
			$dbq = "SELECT uid+1 FROM uids WHERE type = :1";
			list($uid) = $dbh->prepare($dbq)->execute($key)->rowArray();
			$dbq = "REPLACE INTO uids VALUES (:1, :2)";
			$dbh->prepare($dbq)->execute($key, $uid);
			$dbq = "UNLOCK TABLES";
			$dbh->prepare($dbq)->execute();
			return $uid;
		}
	}
?>