SessionHandlerInterface::open PHP Method

    public function open($save_path, $name);

 /**
  * {@inheritdoc}
  */
 public function open($savePath, $sessionName)
 {
     $return = (bool) $this->handler->open($savePath, $sessionName);
     if (true === $return) {
         $this->active = true;
     }
     return $return;
 }