twig2.php

<?php
require_once 'Twig/Autoloader.php';
Twig_Autoloader::register();

$loader = new Twig_Loader_Filesystem('template/');
$twig = new Twig_Environment($loader, array(
  'cache' => 'cache/',
));

echo $twig->render('hello.html', array('message' => 'HELLO!!'));
?>