3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = $_GET['test']; echo "Hello ".$x;
Output for 5.3.0 - 7.1.10
Notice: Undefined index: test in /in/e2QF3 on line 3 Hello
Output for 4.3.0 - 5.2.17
Notice: Undefined index: test in /in/e2QF3 on line 3 Hello