test

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Register extends CI_Controller
{

   public function index()
   {

       $data['login_url'] = $this->facebook->getLoginUrl(array(
           'redirect_uri' => site_url('welcome'), //here is already defaine where url after success login in facebook
           'scope' => array(
            "email, user_birthday, user_location, user_work_history, user_hometown, user_photos"
           )
       ));
$this->admin->load('template1', 'index', $data);
   }




 /* action login facebook*/
   public function loginfacebook()
   {

       $user = $this->facebook->getUser();
       if ($user) {

           try {
               $userinformation = $this->facebook->api('/me?fields=id,name,link,email,gender');
           }
           catch (FacebookApiException $e) {
               $user = null;
           }
       } else {
           $this->facebook->destroySession();
       }

       if ($userinformation != '') {
           $email = $userinformation['email'];
           $q = $this->db->select('email')->from('li_user')->where(array(
               'email' => $email
           ))->get();


           if ($q->num_rows() > 0) {

                $user_details = array(
                   'nama' => $userinformation['name'],
                   'email' => $userinformation['email'],
                   'user_status' => '1'
               );

              $condition['email'] = $userinformation['email'];
              $this->session->set_userdata('user', $userinformation);
              $this->model_register->updateuserbyfacebook($user_details,$condition);

                //  echo "hello user you just update caus eyour email already here";

           } else {

               $user_details = array(
                   'nama' => $userinformation['name'],
                   'email' => $userinformation['email'],
                   'user_status' => '1'
               );

      $this->session->set_userdata('user', $userinformation);
              $this->model_register->adduserbyfacebook($user_details);
                   //  echo "hello user you just insert";
           }
       redirect(site_url('welcome'));    //ini sudah kusaih redirect kok gak ke redirect ya mas
       } else {
           $this->facebook->destroySession();
       }



   }