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();
}
