I am using op host 8099 verison 2.4.4 of oxd
I am regsitering site like this
$gluu_config = array(
"op_host"=> "https://ce-dev2.gluu.org/",
"oxd_host_port"=>8099,
"authorization_redirect_uri" => "https://drupal-oxd.com/gluu_sso/form/loginform",
"post_logout_redirect_uri" => "https://drupal-oxd.com/",
"scope" => [ "openid", "profile","email"],
"application_type" => "web",
"response_types" => ["code"],
"grant_types"=>["authorization_code"],
"acr_values" => [ "basic"]
);
$register_site = new Register_site();
$register_site->setRequestOpHost($gluu_config['op_host']);
$register_site->setRequestAcrValues($gluu_config['acr_values']);
$register_site->setRequestAuthorizationRedirectUri($gluu_config['authorization_redirect_uri']);
$register_site->setRequestPostLogoutRedirectUri($gluu_config['post_logout_redirect_uri']);
$register_site->setRequestContacts('sumiti@ourdesignz.com');
$register_site->setRequestGrantTypes($gluu_config['grant_types']);
$register_site->setRequestResponseTypes($gluu_config['response_types']);
$register_site->setRequestScope($gluu_config['scope']);
$status=$register_site->request();
$register_site->getResponseOxdId();
print_r($register_site);