3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $datetime = new DateTime('first day of -1 month'); echo $datetime->format('jS, F Y');
Output for 5.6.28, 7.0.14 - 7.1.0
1st, May 2013
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
1st, April 2016
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
1st, March 2016
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
1st, February 2016
Output for 5.3.0 - 5.4.45
1st, December 2015
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 -1 month) at position 10 (o): The timezone could not be found in the database' in /in/RF1nL:2 Stack trace: #0 /in/RF1nL(2): DateTime->__construct('first day of -1...') #1 {main} thrown in /in/RF1nL on line 2
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/RF1nL on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/RF1nL 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/RF1nL on line 2