3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $start = new DateTime('2010-1-31'); $start->modify('first day of this month'); $end = new DateTime('2012-05-06'); $end->modify('first day of next month'); $interval = DateInterval::createFromDateString('2 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("Y-m-d") . PHP_EOL; }
based on TRShr
Output for 5.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
2010-01-01 2010-03-01 2010-05-01 2010-07-01 2010-09-01 2010-11-01 2011-01-01 2011-03-01 2011-05-01 2011-07-01 2011-09-01 2011-11-01 2012-01-01 2012-03-01 2012-05-01
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (first day of this month) at position 10 (o): The timezone could not be found in the database in /in/oTsmf on line 3 Warning: DateTime::modify(): Failed to parse time string (first day of next month) at position 10 (o): The timezone could not be found in the database in /in/oTsmf on line 5 Fatal error: Class 'DateInterval' not found in /in/oTsmf on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.12
Fatal error: Class 'DateInterval' not found in /in/oTsmf on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/oTsmf 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/oTsmf 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/oTsmf on line 2