3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = new Datetime('2012-12-31', new DatetimeZone('America/Chicago')); echoln($date->format('r')); $date->modify('-1 month'); echoln($date->format('r'));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function echoln() in /in/Lj1aW:5 Stack trace: #0 {main} thrown in /in/Lj1aW on line 5
Process exited with code 255.
Output for 5.2.0 - 5.6.28, hhvm-3.12.0
Fatal error: Call to undefined function echoln() in /in/Lj1aW on line 5
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'Datetime' not found in /in/Lj1aW 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/Lj1aW 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/Lj1aW on line 3