3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if($_GET['test'] != '') echo('yes'); else echo('no');
Output for 5.3.0 - 7.2.0
Notice: Undefined index: test in /in/Rf71M on line 2 no
Output for 4.3.0 - 5.2.17
Notice: Undefined index: test in /in/Rf71M on line 2 no