Lets make the thread hot again 
i couldnt apply this to my test page;
how can i do?

i couldnt apply this to my test page;
Code:
<?php
class XenForo_testing_helloworld extends XenForo_ControllerPublic_Abstract
{
public static function actionIndex(XenForo_ControllerPublic_Abstract $controller, XenForo_ControllerResponse_Abstract &$response)
{
$mytestContent = date("l, F d, Y h:i" ,time());
$t = $controller->_input->filterSingle('t', XenForo_Input::STRING);
$params = array(
'mytestContent' => $mytestContent,
't' => $t
);
$response->params = array_merge(
$response->params,
$params
);
how can i do?