/**
* Get an instance
*/
public static function getInstance()
{
if (!isset(self::$cache)) {
self::$cache = new self();
}
return self::$cache;
}
/**
* Generate and return a unique session id
*
* @return string
*/
private function generateSessionId()
{
//< 'sp'-identifier required by gc_sessions
return "sp" . sha1($this->client . Site::getKey('session')) . sha1(Session_Request::getUserAgent() . self::getIp());
}
public static function getData()
{
return sha1(Session::getIp()) . sha1(Session_Request::getUserAgent()) . sha1(Site::getKey(Session::STORAGE_KEY));
}