/**
* Returns the Twig Environment instance for a given template loader class.
*
* @param string $loaderClass The name of the class that should be initialized as the Twig instance’s template
* loader. If no class is passed in, {@link TemplateLoader} will be used.
*
* @return TwigEnvironment The Twig Environment instance.
*/
public function getTwig($loaderClass = null, $options = array())
{
if (!$loaderClass) {
$loaderClass = __NAMESPACE__ . '\\TemplateLoader';
}
$options = array_merge(array('safe_mode' => false), $options);
$cacheKey = $loaderClass . ':' . md5(serialize($options));
if (!isset($this->_twigs[$cacheKey])) {
$loader = new $loaderClass();
$options = array_merge($this->_getTwigOptions(), $options);
$twig = new TwigEnvironment($loader, $options);
$twig->addExtension(new \Twig_Extension_StringLoader());
$twig->addExtension(new CraftTwigExtension($twig));
if (craft()->config->get('devMode')) {
$twig->addExtension(new \Twig_Extension_Debug());
}
// Set our timezone
$timezone = craft()->getTimeZone();
$twig->getExtension('core')->setTimezone($timezone);
// Set our custom parser to support "include" tags using the capture mode
$twig->setParser(new TwigParser($twig));
$this->_twigs[$cacheKey] = $twig;
// Give plugins a chance to add their own Twig extensions
$this->_addPluginTwigExtensions($twig);
}
return $this->_twigs[$cacheKey];
}
