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<?php // indicate the start date here $startdate = '2010-01-01'; // indicate the end date here $enddate = '2011-05-27'; $timestamp_start = strtotime($startdate); $timestamp_end = strtotime($enddate); $difference = abs($timestamp_end - $timestamp_start); // that's it! echo 'Seconds: '.$difference;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Seconds: 44146800
Output for 7.3.32 - 7.3.33, 8.0.13
Seconds: 44150400

preferences:
246.83 ms | 401 KiB | 380 Q