3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $start = new DateTime('2017-01-31'); $start->modify('first day of this month'); $end = new DateTime('2017-02-07'); $end->modify('first day of next month'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("Y-m") . PHP_EOL; }
based on tCISo
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0beta1
2017-01 2017-02