/**
  * Get the path of the cached file.
  *
  * @param string $key The key for the required object.
  * @param string $location Fetch from a particular location if needed.
  * @return boolean $create Set false to not create the path if it does not exist.
  *
  * @return string The path to the serialised object.
  */
 private static function getPathHashed($key, $location = null, $create = true)
 {
     $key = md5($key);
     return parent::getPath($key, $location, $create);
 }