/**
* create FB connection...
* @return Facebook\Facebook
*/
protected static function get_connection()
{
if (!self::$connection) {
self::$connection_config += array('app_id' => Config::inst()->get("SilverstripeFacebookConnector", "app_id"), 'app_secret' => Config::inst()->get("SilverstripeFacebookConnector", "app_secret"), 'default_graph_version' => 'v2.4');
self::$connection = new Facebook\Facebook(self::$connection_config);
}
return self::$connection;
}
