3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new DateTime('0000-01-00'); echo $a->format('j M Y \i\s \a l');
Output for 5.5.24 - 5.6.21, 7.0.0 - 7.0.6
31 Dec -0001 is a Thursday
Output for 5.2.6 - 5.4.45, hhvm-3.12.0
31 Dec -0001 is a Saturday
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.4 - 5.2.5
31 Dec -0001 is a Unknown
Output for 5.2.0 - 5.2.3
31 Dec 1999 is a Friday
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/9HTlo 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/9HTlo 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/9HTlo on line 3