PHP Facebook注销

Question

I am using PHP SDK for creating facebook login, which works fine but when I want to logout and I use getLogoutUrl method which returns logout url in this form:

https://www.facebook.com/logout?next=google.com&access_token=my_access_token

After I redirect to this page I get to the This page is not avalible page on FB and I am not logged out. Any idea what could be wrong ? or it will be SDK bug ? thanks.

Answer 1

I have created a article for facebook login logout with graph api with php. You can see the following code for logout from facebook with php. This is code for logout.php

session_start();
if(isset($_SESSION['fb_access_token'])){
    require_once 'php-graph-sdk-5.5/src/Facebook/autoload.php';
    $fb = new Facebook\Facebook([
      'app_id' => 'app-id', // Replace {app-id} with your app id
      'app_secret' => 'app-id-secret',
      'default_graph_version' => 'v2.4',
    ]);
    $url = 'https://www.facebook.com/logout.php?next=your-website-return-url/&access_token='.$_SESSION['fb_access_token'];
    session_destroy();
    header('Location: '.$url);
}

If you need full source code then you can see this link