protected function getEnvironment($sandboxed, $options, $templates, $tags = array(), $filters = array(), $methods = array(), $properties = array(), $functions = array()) {
$loader = new Twig_Loader_Array($templates);
$twig = new Twig_Environment($loader, array_merge(array(
'debug' => true,
'cache' => false,
'autoescape' => false,
), $options));
$policy = new Twig_Sandbox_SecurityPolicy($tags, $filters, $methods, $properties, $functions);
$twig
->addExtension(new Twig_Extension_Sandbox($policy, $sandboxed));
return $twig;
}