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<?php $a = new DateTime('2015-1-31'); $b = new DateTime('2015-2-1'); echo $a->format('Y-m-d'); $a->add(new DatePeriod('P1D')); echo $a < $b ? 'ja' : 'nein';
Output for 8.3.0 - 8.3.4, 8.3.6
2015-01-31 Fatal error: Uncaught DateMalformedPeriodStringException: DatePeriod::__construct(): ISO interval must contain a start date, "P1D" given in /in/Tiqcv:8 Stack trace: #0 /in/Tiqcv(8): DatePeriod->__construct('P1D') #1 {main} thrown in /in/Tiqcv on line 8
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 2015-01-31 Fatal error: Uncaught DateMalformedPeriodStringException: DatePeriod::__construct(): ISO interval must contain a start date, "P1D" given in /in/Tiqcv:8 Stack trace: #0 /in/Tiqcv(8): DatePeriod->__construct('P1D') #1 {main} thrown in /in/Tiqcv on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
2015-01-31 Fatal error: Uncaught Exception: DatePeriod::__construct(): ISO interval must contain a start date, "P1D" given in /in/Tiqcv:8 Stack trace: #0 /in/Tiqcv(8): DatePeriod->__construct('P1D') #1 {main} thrown in /in/Tiqcv on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
2015-01-31 Fatal error: Uncaught Exception: DatePeriod::__construct(): The ISO interval 'P1D' did not contain a start date. in /in/Tiqcv:8 Stack trace: #0 /in/Tiqcv(8): DatePeriod->__construct('P1D') #1 {main} thrown in /in/Tiqcv on line 8
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 - 5.6.38
2015-01-31 Fatal error: Uncaught exception 'Exception' with message 'DatePeriod::__construct(): The ISO interval 'P1D' did not contain a start date.' in /in/Tiqcv:8 Stack trace: #0 /in/Tiqcv(8): DatePeriod->__construct('P1D') #1 {main} thrown in /in/Tiqcv on line 8
Process exited with code 255.
Output for 5.2.0 - 5.2.17
2015-01-31 Fatal error: Call to undefined method DateTime::add() in /in/Tiqcv on line 8
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/Tiqcv on line 3
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/Tiqcv on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/Tiqcv on line 3

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