3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date(Y)."12-31"; ?>
based on kSp3r
Output for 7.2.0
Warning: Use of undefined constant Y - assumed 'Y' (this will throw an Error in a future version of PHP) in /in/WeJ3P on line 2 201612-31
Output for 5.5.0 - 7.1.10
Notice: Use of undefined constant Y - assumed 'Y' in /in/WeJ3P on line 2 201612-31