TestTimberImage::checkChannel PHP Méthode

    public static function checkChannel($channel, $base, $compare, $upper = false)
    {
        if ($base[$channel] === $base[$channel]) {
            return true;
        }
        if ($upper) {
            if ($base[$channel] <= $compare[$channel] && $compare[$channel] <= $upper[$channel]) {
                return true;
            }
        }
        return false;
    }