3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = new DateTime('2000-12-31'); $interval = new DateInterval('P1M'); $date->add($interval); echo $date->format('Y-m-d') . "\n"; $date->add($interval); echo $date->format('Y-m-d') . "\n";
Output for 5.3.0 - 7.1.0
2001-01-31 2001-03-03
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/pvtgT on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/pvtgT 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/pvtgT 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/pvtgT on line 2