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<?php $datetime = new DateTime(); $datetime->add(new DateInterval('P1H')); echo $datetime->format('Y-m-d h:i:s');
Output for 8.3.0 - 8.3.4
Fatal error: Uncaught DateMalformedIntervalStringException: Unknown or bad format (P1H) in /in/GDUC1:3 Stack trace: #0 /in/GDUC1(3): DateInterval->__construct('P1H') #1 {main} thrown in /in/GDUC1 on line 3
Process exited with code 255.
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17
Fatal error: Uncaught Exception: Unknown or bad format (P1H) in /in/GDUC1:3 Stack trace: #0 /in/GDUC1(3): DateInterval->__construct('P1H') #1 {main} thrown in /in/GDUC1 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (P1H) in /in/GDUC1:3 Stack trace: #0 /in/GDUC1(3): DateInterval->__construct('P1H') #1 {main} thrown in /in/GDUC1 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (P1H)' in /in/GDUC1:3 Stack trace: #0 /in/GDUC1(3): DateInterval->__construct('P1H') #1 {main} thrown in /in/GDUC1 on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/GDUC1 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/GDUC1 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/GDUC1 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/GDUC1 on line 2

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