3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $dt = new DateTime('first day of this month'); echo $dt->format('d M'); $dt->modify('next Monday'); echo $dt->format('d M');
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
01 Sep02 Sep
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 this month) at position 10 (o): The timezone could not be found in the database' in /in/6poGj:3 Stack trace: #0 /in/6poGj(3): DateTime->__construct('first day of th...') #1 {main} thrown in /in/6poGj on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/6poGj 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/6poGj 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/6poGj on line 3