public static function removeAllCreatedAnonymousUsers() { $user_ids = self::getCreatedUserIds(); if (count($user_ids) > 0) { $GLOBALS['db']->query('DELETE FROM users WHERE id IN (\'' . implode("', '", $user_ids) . '\')'); $GLOBALS['db']->query('DELETE FROM user_preferences WHERE assigned_user_id IN (\'' . implode("', '", $user_ids) . '\')'); } self::$_createdUsers = array(); }