titanscssc::fixColor PHP Method

    protected function fixColor($c)
    {
        foreach (range(1, 3) as $i) {
            if ($c[$i] < 0) {
                $c[$i] = 0;
            }
            if ($c[$i] > 255) {
                $c[$i] = 255;
            }
        }
        return $c;
    }