settoken.php

<?php
if(!defined('settoken')){
    header("HTTP/1.1 403 Forbidden");
    exit;
}

define('config', true);
//Include Configuration File
include('config.php');

if(isset($_GET["code"]))
{

 $token = $google_client->fetchAccessTokenWithAuthCode($_GET["code"]);


 if(!isset($token['error']))
 {
 
  $google_client->setAccessToken($token['access_token']);

 
  $_SESSION['access_token'] = $token['access_token'];


  $google_service = new Google_Service_Oauth2($google_client);

 
  $data = $google_service->userinfo->get();

 
  if(!empty($data['given_name']))
  {
   $_SESSION['user_first_name'] = $data['given_name'];
  }

  if(!empty($data['family_name']))
  {
   $_SESSION['user_last_name'] = $data['family_name'];
  }

  if(!empty($data['email']))
  {
   $_SESSION['user_email_address'] = $data['email'];
  }

  if(!empty($data['gender']))
  {
   $_SESSION['user_gender'] = $data['gender'];
  }

  if(!empty($data['picture']))
  {
   $_SESSION['user_image'] = $data['picture'];
  }
 }
 header("location: index.php");
}

?>