public function feedbackAction()
{
$data = $_POST["feedback"];
$data = ToolModel::getRealIpAddr() . "/" . $data . "/" . time();
$feedback = explode("/", $data);
$db = new PlaygroundModel();
$sql = "INSERT INTO `playground_feedback` (`ip`,`uuid`,`foursquare`,`instagram`,`feedback`,`createtime`) VALUES('{$feedback['0']}','{$feedback['1']}','{$feedback['2']}','{$feedback['3']}','{$feedback['4']}','{$feedback['5']}');";
$db->run($sql);
echo "done";
}
