public function transform($content, $options = [])
    {
        if (!$content instanceof \DateInterval) {
            return 0;
        }

        $decTime = 0;
        $decTime += ($content->d ? $content->d * 60 * 24 : 0);
        $decTime += ($content->h ? $content->h * 60 : 0);
        $decTime += $content->i;
        $decTime += ($content->s ? $content->s / 60 : 0);

        return $decTime;
    }