public function logout()
{
global $USER;
$token = google_picasa::get_sesskey($USER->id);
$gauth = new google_authsub($token);
// revoke token from google
$gauth->revoke_session_token();
google_picasa::delete_sesskey($USER->id);
$this->subauthtoken = '';
return parent::logout();
}
public function logout()
{
$this->googleoauth->log_out();
return parent::logout();
}
/**
* Logout.
*
* @return string
*/
public function logout()
{
$this->store_access_token(null);
return parent::logout();
}
