/**
* Returns a singleton of a Twig_Environment object.
* This is the handle that will be used to load templates
* @return Twig_Environment
*/
private static function getTwig()
{
if (self::$twig == NULL) {
require_once dirname(dirname(__FILE__)) . '/includes/config.php';
Twig_Autoloader::register();
$loader = new Twig_Loader_Filesystem(dirname(dirname(__FILE__)) . '/templates');
$params = array('debug' => TRUE, 'strict_variables' => TRUE, 'autoescape' => TRUE);
// no cache
if (TConfig::templateCachingEnabled()) {
$params = array('debug' => TRUE, 'cache' => 'cache', 'strict_variables' => TRUE, 'autoescape' => TRUE);
// no cache
}
self::$twig = new Twig_Environment($loader, $params);
// no cache
self::$twig->addExtension(new Twig_Extension_Debug());
}
// add some useful globals available to all templates
return self::$twig;
}
