Morilog\Jalali\jDateTime::filterArray PHP Method

    private static function filterArray($needle, $haystack, $always = array())
    {
        foreach ($haystack as $k => $v) {
            if (!in_array($v, $needle) && !in_array($v, $always)) {
                unset($haystack[$k]);
            }
        }
        return $haystack;
    }