How do I find the hour difference between two dates in PHP?

Question

I have two dates, formated like "Y-m-d H:i:s". I need to compare these two dates and figure out the hour difference.

Answer 1

You can convert them to timestamps and go from there:

$hourdiff = round((strtotime($time1) - strtotime($time2))/3600, 1);

Dividing by 3600 because there are 3600 seconds in one hour and using round() to avoid having a lot of decimal places.

Answer 2

$seconds = strtotime($date2) - strtotime($date1);
$hours = $seconds / 60 /  60;

Answer 3

You can use strtotime() to parse your strings and do the difference between the two of them.

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Resources :

• php.net - strtotime()