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<?php $start = date('Y-m-d H:m:s'); $end = date('Y-m-d H:m:s', strtotime('Y-m-d H:m:s', $start . ' +24 hour')); echo $end; ?>
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: strtotime(): Argument #2 ($baseTimestamp) must be of type ?int, string given in /in/bSj1h:5 Stack trace: #0 /in/bSj1h(5): strtotime('Y-m-d H:m:s', '2014-05-13 15:0...') #1 {main} thrown in /in/bSj1h on line 5
Process exited with code 255.
Output for 8.0.13
Fatal error: Uncaught TypeError: strtotime(): Argument #2 ($baseTimestamp) must be of type ?int, string given in /in/bSj1h:5 Stack trace: #0 /in/bSj1h(5): strtotime('Y-m-d H:m:s', '2014-05-13 13:0...') #1 {main} thrown in /in/bSj1h on line 5
Process exited with code 255.
Output for 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 - 5.6.40, 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 - 7.4.25, 7.4.27 - 7.4.33
Notice: A non well formed numeric value encountered in /in/bSj1h on line 5 1970-01-01 01:01:00
Output for 7.3.32 - 7.3.33, 7.4.26
1970-01-01 00:01:00
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
1970-01-01 00:01:59

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