Auth_OpenID_ServiceEndpoint::preferredNamespace PHP Method

    function preferredNamespace()
    {
        if (in_array(Auth_OpenID_TYPE_2_0_IDP, $this->type_uris) || in_array(Auth_OpenID_TYPE_2_0, $this->type_uris)) {
            return Auth_OpenID_OPENID2_NS;
        } else {
            return Auth_OpenID_OPENID1_NS;
        }
    }