$ax = new \OpenID_Extension_AX(\OpenID_Extension::REQUEST);
$ax->set('type.email', 'http://axschema.org/contact/email');
$ax->set('type.firstname', 'http://axschema.org/namePerson/first');
$ax->set('type.lastname', 'http://axschema.org/namePerson/last');
$ax = new \OpenID_Extension_AX(\OpenID_Extension::REQUEST);
$ax->set('type.email', 'http://axschema.org/contact/email');
$ax->set('type.firstname', 'http://axschema.org/namePerson/first');
$ax->set('type.lastname', 'http://axschema.org/namePerson/last');