/**
* Render a file and return the content
*
* @param string $filename
* @return string
*/
protected function _renderFile($filename)
{
$loader = $this->_front->getLoader();
ob_start();
$tempname = $loader->prepareLoad($filename);
include $tempname;
$loader->cleanupLoad($tempname);
$content = ob_get_contents();
ob_end_clean();
return $content;
}
