3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x="10"; function mytest(){ $t="20"; } mytest; echo$x=""; ?>
based on X01Id
Output for 7.2.0
Warning: Use of undefined constant mytest - assumed 'mytest' (this will throw an Error in a future version of PHP) in /in/3RSfP on line 6
Output for 5.3.21 - 7.1.10
Notice: Use of undefined constant mytest - assumed 'mytest' in /in/3RSfP on line 6