updated readme

README.md

@@ -14,6 +14,7 @@ composer require sohaibilyas/facebook-php-sdk
 
 ```php
 <?php
+session_start();
 
 require './vendor/autoload.php';
 
@@ -26,20 +27,20 @@ $facebook = new Facebook([
 ]);
 
 $facebook->handleRedirect(function($user) {
-    // save access token in database
-    setcookie('access_token', $user->access_token);
+    // save access token to use it later e.g. session, database
+    $_SESSION['access_token'] = $user->access_token;
 });
 
 // checking if access token is saved otherwise show login with facebook url
-if (isset($_COOKIE['access_token'])) {
+if (isset($_SESSION['access_token'])) {
     // setting default access token for all requests
-    $facebook->setAccessToken($_COOKIE['access_token']);
+    $facebook->setAccessToken($_SESSION['access_token']);
 
     // default response type e.g. object, json, array
     $facebook->setResponseType('json');
 
     // getting facebook user information
-    print_r($facebook->getUser());
+    print_r($facebook->getAdAccounts());
 } else {
     echo $facebook->getLoginUrl(['email', 'ads_management', 'business_management', 'ads_read']);exit;
 }