3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $date = new \DateTime(); $first = clone $date->modify('first day of this month'); $last = clone $date->modify('last day of this month'); echo $first->format('y-m-d') . PHP_EOL; echo $last->format('y-m-d') . PHP_EOL;
Output for 5.3.22 - 5.4.45, 5.6.28, 7.0.20 - 7.2.0
16-01-01 16-01-31
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
16-05-01 16-05-31
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
16-04-01 16-04-30
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
16-03-01 16-03-31