Smarty::getCacheDir PHP Method

    public function getCacheDir()
    {
        return $this->cache_dir;
    }

 /**
  * Initialise Twig
  *
  * @return void
  */
 protected function initTemplateEngine()
 {
     $this->loader = new \Smarty();
     $this->loader->muteExpectedErrors();
     $this->loader->setTemplateDir($this->getTemplateDir());
     $this->loader->addPluginsDir(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'SmartyPlugins');
     $this->initSmartyCache();
     Logger::debug("Smarty Cache: " . $this->loader->getCacheDir());
 }