Carbon Difference in Time between two Dates in hh:mm:ss format

date laravel laravel-5.1 php-carbon
mtpultz picture mtpultz · Nov 6, 2015 · Viewed 99.5k times · Source

I'm trying to figure out how I can take two date time strings that are stored in our database and convert it to a difference in time format of hh:mm:ss.

I looked at diffForHumans, but that does give the format I'd like and returns things like after, ago, etc; which is useful, but not for what I'm trying to do.

The duration will never span days, only a max of a couple hours.

$startTime = Carbon::parse($this->start_time);
$finishTime = Carbon::parse($this->finish_time);

$totalDuration = $finishTime->diffForHumans($startTime);
dd($totalDuration);

// Have: "21 seconds after"
// Want: 00:00:21

Answer

mtpultz picture mtpultz · Nov 6, 2015

I ended up grabbing the total seconds difference using Carbon:

$totalDuration = $finishTime->diffInSeconds($startTime);
// 21

Then used gmdate:

gmdate('H:i:s', $totalDuration);
// 00:00:21

If anyone has a better way I'd be interested. Otherwise this works.

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