3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $date = new DateTime('2000-12-31'); $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y') . PHP_EOL; $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y') . PHP_EOL; $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y');
based on BuWhu
Output for 5.3.0 - 7.2.0
31.01.2001 03.03.2001 03.04.2001
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/4URs3 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/4URs3 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/4URs3 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/4URs3 on line 3