/**
* @param mixed $filter_value When this method is used in filter, it must return the unchanged filter value
* @return bool
*/
public static function reset($filter_value = null)
{
if (!self::load()) {
return is_null($filter_value) ? true : $filter_value;
}
self::save();
self::$path = null;
self::$cache = self::get_defaults();
self::$changed = true;
return is_null($filter_value) ? true : $filter_value;
}
