3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new DateTime('-0001-12-31'); echo $a->format('j M Y \i\s \a l');
Output for 5.5.20 - 5.5.37, 5.6.4 - 7.1.0
31 Dec -0001 is a Thursday
Output for 5.2.6 - 5.5.19, 5.6.0 - 5.6.3
31 Dec -0001 is a Saturday
Output for 5.2.4 - 5.2.5
31 Dec -0001 is a Unknown
Output for 5.2.0 - 5.2.3
24 Mar 2014 is a Monday
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/94otp 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/94otp 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/94otp on line 3