3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('first day of previous month 00:00:00', new DateTimeZone('UTC')); var_dump($date->format('Y-m-d H:i:s')); // string(19) "2013-11-01 00:00:00" $date = new DateTime('first day of previous month 00:00:00', new DateTimeZone('Europe/Amsterdam')); var_dump($date->format('Y-m-d H:i:s')); // string(19) "2013-11-01 00:00:00" $date = new DateTime('midnight first day of previous month', new DateTimeZone('Europe/Amsterdam')); var_dump($date->format('Y-m-d H:i:s')); // string(19) "2013-11-01 00:00:00" $date = new DateTime('midnight first day of previous month', new DateTimeZone('UTC')); var_dump($date->format('Y-m-d H:i:s')); // string(19) "2013-11-01 00:00:00"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(19) "2020-06-01 00:00:00" string(19) "2020-06-01 00:00:00" string(19) "2020-06-01 00:00:00" string(19) "2020-06-01 00:00:00"
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 previous month 00:00:00) at position 10 (o): The timezone could not be found in the database' in /in/1tsZv:2 Stack trace: #0 /in/1tsZv(2): DateTime->__construct('first day of pr...', Object(DateTimeZone)) #1 {main} thrown in /in/1tsZv on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/1tsZv on line 2
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/1tsZv on line 12
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/1tsZv 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/1tsZv on line 2

preferences:
335.47 ms | 401 KiB | 461 Q