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<?php var_dump(new DateTime('first day of this month'));
based on nApNL
Output for 7.1.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-11-01 15:59:59.003915" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.6.28, 7.0.0 - 7.0.14
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-11-01 15:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.13.2
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-11-01 16:00:04.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.12.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-11-01 16:00:06.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.10.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-11-01 16:00:07.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.3.0 - 5.4.29, 5.5.0 - 5.5.13
object(DateTime)#1 (3) { ["date"]=> string(19) "2016-11-01 15:59:59" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.2.0 - 5.2.17
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (first day of this month) at position 10 (o): The timezone could not be found in the database' in /in/QUu2D:3 Stack trace: #0 /in/QUu2D(3): DateTime->__construct('first day of th...') #1 {main} thrown in /in/QUu2D on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/QUu2D on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/QUu2D 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/QUu2D on line 3