3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new \DateTime('day 1 last month'); echo $date->format('Y-m-d');
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (day 1 last month) at position 0 (d): The timezone could not be found in the database in /in/LEigQ:2 Stack trace: #0 /in/LEigQ(2): DateTime->__construct('day 1 last mont...') #1 {main} thrown in /in/LEigQ on line 2
Process exited with code 255.
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Exception: Failed to parse time string (day 1 last month) at position 0 (d): The timezone could not be found in the database in /in/LEigQ:2 Stack trace: #0 /in/LEigQ(2): DateTime->__construct('day 1 last mont...') #1 {main} thrown in /in/LEigQ on line 2
Process exited with code 255.
Output for 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
Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (day 1 last month) at position 0 (d): The timezone could not be found in the database in /in/LEigQ:2 Stack trace: #0 /in/LEigQ(2): DateTime->__construct('day 1 last mont...') #1 {main} thrown in /in/LEigQ on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (day 1 last month) at position 0 (d): The timezone could not be found in the database' in /in/LEigQ:2 Stack trace: #0 /in/LEigQ(2): DateTime->__construct('day 1 last mont...') #1 {main} thrown in /in/LEigQ on line 2
Process exited with code 255.

preferences:
277.54 ms | 402 KiB | 376 Q