3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $tz=new DateTimeZone('Europe/Moscow'); $date = new DateTime('2000-12-31', $tz); $date->add(new DateInterval('P1M')); var_dump($date->format('Y-m-d')); $date->add(new DateInterval('P1M')); var_dump($date->format('Y-m-d'));
based on XqL9Z
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(10) "2001-01-31" string(10) "2001-03-03"
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/K4AcL on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/K4AcL on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimezone in /in/K4AcL on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetimezone in /in/K4AcL on line 2