/**
* Returns a Logout Response object.
*
* @param bool|null $deflate Whether or not we should 'gzdeflate' the response body before we return it.
*
* @return string Logout Response deflated and base64 encoded
*/
public function getResponse($deflate = null)
{
$subject = $this->_logoutResponse;
if (is_null($deflate)) {
$deflate = $this->_settings->shouldCompressResponses();
}
if ($deflate) {
$subject = gzdeflate($this->_logoutResponse);
}
return base64_encode($subject);
}