3v4l.org

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<?php $date1 = "2013-03-01 19:12:45"; $date2 = "2014-03-01 06:37:04"; //Convert them to timestamps. $date1Timestamp = strtotime($date1); $date2Timestamp = strtotime($date2); //Calculate the difference. $difference = $date2Timestamp - $date1Timestamp; echo $difference;
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
31490659

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164.99 ms | 404 KiB | 226 Q