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<?php echo date('Y-m-d', strtotime('2015-10-10',"+ 1 month"));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: strtotime(): Argument #2 ($baseTimestamp) must be of type ?int, string given in /in/qKF8q:3 Stack trace: #0 /in/qKF8q(3): strtotime('2015-10-10', '+ 1 month') #1 {main} thrown in /in/qKF8q on line 3
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: strtotime() expects parameter 2 to be int, string given in /in/qKF8q on line 3 1970-01-01
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Warning: strtotime() expects parameter 2 to be integer, string given in /in/qKF8q on line 3 1970-01-01
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Warning: strtotime() expects parameter 2 to be long, string given in /in/qKF8q on line 3 1970-01-01

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