public function logout()
{
$logout = new eppLogoutRequest();
if (($response = $this->writeandread($logout)) instanceof eppLogoutResponse && $response->Success()) {
$this->writeLog("Logged out", "LOGOUT");
$this->loggedin = false;
return true;
} else {
throw new eppException("Logout failed: " . $response->getResultMessage(), 0, null, null, $logout->saveXML());
}
}