I have made a code for getting page id, page admin but I only get the Page Id. My code is:
<?php
session_start();
require_once 'admin/facebook/autoload.php';
use Facebook\FacebookSession;
use Facebook\FacebookPageTabHelper;
FacebookSession::setDefaultApplication('app_id', 'app_secret');
$pageHelper = new FacebookPageTabHelper();
echo '<p>page id: ' . $pageHelper->getPageId() . '</p>';
echo '<p>admin: ' . $pageHelper->isAdmin() . '</p>';
?>
What am I doing wrong? Thank you