Compass::compassPrefix PHP Method

    public static function compassPrefix($vendor, $input)
    {
        if (is_object($vendor)) {
            $vendor = $vendor->value;
        }
        $list = static::compassList($input, ',');
        $output = '';
        foreach ($list as $key => $value) {
            $list[$key] = '-' . $vendor . '-' . $value;
        }
        return new SassString(implode(', ', $list));
    }