3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $start = new DateTime(''); $end = new DateTime('-1 year'); $interval = new DateInterval('P1M'); $interval->invert =1; $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format('Y F').PHP_EOL; }
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/BlNVv on line 4
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/BlNVv 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/BlNVv 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/BlNVv on line 2