Horde_SessionHandler_Storage::getSessionIDs PHP Method

    public abstract function getSessionIDs();

 /**
  * Get a list of the valid session identifiers.
  *
  * @return array  A list of valid session identifiers.
  * @throws Horde_SessionHandler_Exception
  */
 public function getSessionIDs()
 {
     return $this->_storage->getSessionIDs();
 }