Auth_OpenID_GenericConsumer::_checkSetupNeeded PHP Method

    function _checkSetupNeeded($message)
    {
        // In OpenID 1, we check to see if this is a cancel from
        // immediate mode by the presence of the user_setup_url
        // parameter.
        if ($message->isOpenID1()) {
            $user_setup_url = $message->getArg(Auth_OpenID_OPENID1_NS, 'user_setup_url');
            if ($user_setup_url !== null) {
                return true;
            }
        }
        return false;
    }