3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('t', mktime(0,0,0,date('n')+1,1,date('Y'))); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
31