private static function getFacebookLike($params){
        $id = $params->get('facebook_url');
        $appid = $params->get('appid');
        $appsecret = $params->get('appsecret');
        $json_url ='https://graph.facebook.com/'.$id.'?access_token='.$appid.'|'.$appsecret.'&fields=fan_count';
        $json = file_get_contents($json_url);
        $json_output = json_decode($json);
        $like_count = isset($json_output->fan_count) ? $json_output->fan_count : 0;
        return $like_count;
    }