/**
* Gets the directory relative to DOC_ROOT
* @param string $dirname
* @return string
* @throws Exception
*/
protected function getDir($dirname = '')
{
$dir = realpath($this->settings->getDocRoot() . (!empty($dirname) ? $dirname : ''));
if (substr($dir, 0, -1) != '/') {
$dir .= '/';
}
if (!$dir) {
throw new Exception('Directory "' . $dir . '" not found.');
}
return $dir;
}
