3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $nextmnth = mktime(0,0,0,date("m")+1,date("d"),date("Y")); echo "nextmnth is ".date("Y/m/d", $nextmnth); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
nextmnth is 2013/08/05