3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $d = new DateTime( '2010-01-31' ); $d->setDate( $d->format( 'Y' ), $d->format( 'm' )+1, 0 ); echo $d->format( 'Y-m-d' ), "\n";
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2010-01-31
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/XQVvZ 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/XQVvZ 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/XQVvZ on line 2