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<?php $date = strtotime('2000-01-01 17:30'); $date=date_add($date, 'P15h'); echo date('Y-m-d H:i', $date) . "\n";
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: date_add(): Argument #1 ($object) must be of type DateTime, int given in /in/031Ql:3 Stack trace: #0 /in/031Ql(3): date_add(946744200, 'P15h') #1 {main} thrown in /in/031Ql on line 3
Process exited with code 255.
Output for 8.0.13
Fatal error: Uncaught TypeError: date_add(): Argument #1 ($object) must be of type DateTime, int given in /in/031Ql:3 Stack trace: #0 /in/031Ql(3): date_add(946747800, 'P15h') #1 {main} thrown in /in/031Ql on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: date_add() expects parameter 1 to be DateTime, int given in /in/031Ql on line 3 1970-01-01 01:00
Output for 7.3.32 - 7.3.33
Warning: date_add() expects parameter 1 to be DateTime, int given in /in/031Ql on line 3 1970-01-01 00:00
Output for 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
Warning: date_add() expects parameter 1 to be DateTime, integer given in /in/031Ql on line 3 1970-01-01 01:00
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Call to undefined function date_add() in /in/031Ql on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: date_add() in /in/031Ql on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: date_add() in /in/031Ql on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: date_add() in /in/031Ql on line 3

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