Scalr\Stats\CostAnalytics\Usage::getDisplayHours PHP Method

    public function getDisplayHours($hours, $precision = 0)
    {
        if (empty($hours)) {
            return 0;
        }
        $base = log($hours, 1000);
        $suffixes = array('', 'k', 'M', 'G', 'T');
        return round(pow(1000, $base - floor($base)), $precision) . $suffixes[floor($base)];
    }