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run code in 200+ php & hhvm versions
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<?php var_dump((new \DateTime())->sub(new \DateInterval('P0.5M')));
based on mHAjO
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (P0.5M) in /in/Vuhn1:3 Stack trace: #0 /in/Vuhn1(3): DateInterval->__construct('P0.5M') #1 {main} thrown in /in/Vuhn1 on line 3
Process exited with code 255.
Output for 5.4.2 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (P0.5M)' in /in/Vuhn1:3 Stack trace: #0 /in/Vuhn1(3): DateInterval->__construct('P0.5M') #1 {main} thrown in /in/Vuhn1 on line 3
Process exited with code 255.
Output for 5.3.17 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/Vuhn1 on line 3
Process exited with code 255.