How to calculate minute difference between two date-times in PHP?

Solution for : How to calculate minute difference between two date-times in PHP?

Below is the simple example fo achieve the solution:

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$to_time = strtotime("2008-12-13 10:42:00"); $from_time = strtotime("2008-12-13 10:21:00"); echo round(abs($to_time - $from_time) / 60,2). " minute";