Hi denisa, I have used the standalone version of OpenInviter successfully in Codeigniter. Put de openinviter/ folder at your webroot directory, and then, instantiate it like:
require_once(BASEPATH.'../openinviter/openinviter.php');
class Invite extends Base_Controller {
var $oi;
var $oi_services;
function Invite() {
parent::Base_Controller();
$this->login_manager->check_login();
$this->lang->load("invite");
$this->oi = new OpenInviter();
$this->oi_services = $this->oi->getPlugins();
}
...
