/**
* load a config file, optionally load just selected sections
*
* @param string $config_file filename
* @param mixed $sections array of section names, single section or null
*
* @return Smurty_Internal_Data current Smurty_Internal_Data (or hiweb_tpl or Smurty_Internal_Template) instance for chaining
*/
public function configLoad($config_file, $sections = null)
{
// load Config class
$config = new Smurty_Internal_Config($config_file, $this->smurty, $this);
$config->loadConfigVars($sections);
return $this;
}
