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run code in 150+ php & hhvm versions
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<?php $d = new DateTime( '2010-01-31' ); $d->modify( 'last day of next month' ); echo $d->format('Y-m-d' ), "\n";
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2010-02-28
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (last day of next month) at position 9 (o): The timezone could not be found in the database in /in/CTgNG on line 3 2010-01-31
Output for 5.2.0 - 5.2.12
2010-03-02
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/CTgNG on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/CTgNG 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/CTgNG on line 2