facebook/facebook-php-sdk-v4 — pull request #97 by gfosco (2014-05-31 06:50:46+00:00)
Title: Added FacebookPageTabHelper

usage:

```
$helper = new FacebookPageTabHelper();

$user_liked = $helper->liked();

$page_id = $helper->pageId();

$is_admin_user = $helper->isAdmin();

$session = $helper->getSession(); // null if not logged in.
```