Compass::compassHeaders PHP Method

    public static function compassHeaders($from = false, $to = false)
    {
        if (is_object($from)) {
            $from = $from->value;
        }
        if (is_object($to)) {
            $to = $to->value;
        }
        if (!$from || !is_numeric($from)) {
            $from = 1;
        }
        if (!$to || !is_numeric($to)) {
            $to = 6;
        }
        $from = (int) $from;
        $to = (int) $to;
        $output = array();
        for ($i = $from; $i <= $to; $i++) {
            $output[] = 'h' . $i;
        }
        return new SassString(implode(', ', $output));
    }