3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=""; echo $a-date("Y"); ?>
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/IfM78 on line 3 -2013
Output for 4.3.0 - 7.0.20
-2013