Read Facebook Public Event Feed via App Login Token
<?php
require('facebook-sdk/facebook.php');
define('APP_ID', 'XXXXXXXXX');
define('APP_SECRET', 'XXXXXXXXXXXXXXXXXX');
$facebook = new Facebook(array(
'appId' => APP_ID,
'secret' => APP_SECRET,
'cookie' => false
));
$c = curl_init();
$url = 'https://graph.facebook.com/oauth/access_token?client_id='.APP_ID.'&client_secret='.APP_SECRET.'&grant_type=client_credentials';
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_USERAGENT, "User-Agent: Rambo");
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
$token = curl_exec($c);
curl_close($c);
$token = str_replace('access_token=','', $token);
$params = array('access_token' => $token);
$eventFeed = $facebook->api('/EVENT_ID/feed','get', $params);
var_dump($eventFeed);