/**
* Returns the cached smarty instance or creates and caches a new instance
*
* Not every Slim route will use Smarty, so by implementing this function,
* we save those routes from having unnecessary overhead.
*
* @return \Smarty
*/
protected function getSmartyInstance()
{
if ($this->smarty) {
return $this->smarty;
}
$smarty = new \Smarty();
$smarty->setTemplateDir($this->template_dir);
$smarty->setCompileDir($this->compile_dir);
$smarty->setCacheDir($this->cache_dir);
$smarty->setErrorReporting(0);
if ($this->plugin_dir) {
$smarty->addPluginsDir($this->plugin_dir);
}
return $this->smarty = $smarty;
}
