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<?php $time1 = strtotime('00:00:00 +0000'); $time2 = strtotime('00:00:07 +0000'); $epoch = strtotime('01 Jan 1970'); $diff = $time2 - $time1; var_dump($time1,$time2,$epoch,$diff); $diff = date('H:i:s', $epoch+$diff); echo $diff;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
int(1479945600) int(1479945607) int(-3600) int(7) 00:00:07
Output for 7.3.32 - 7.3.33, 8.0.13
int(1479945600) int(1479945607) int(0) int(7) 00:00:07

preferences:
155.55 ms | 407 KiB | 5 Q