php - How to find difference between two time? -

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this question has answer here:

i have 2 variable value date type assigned it. want find difference of 2 variable values.

$d1='2016-08-24 12:22:13'; $d2='2016-08-24 12:22:30';

difference of d2-d1 17 seconds. how find in php?

// instantiate datetime  $datetimefirst = new datetime('2016-08-24 12:20:00'); $datetimesecond = new datetime('2016-08-24 12:34:00'); //calculate difference $difference = $datetimefirst->diff($datetimesecond); //format output  echo $difference->format('%y-%m-%d %h:%i:%s');

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