3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $n1 = $_POST['voornaam']; echo $n1; ?>
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
Notice: Undefined index: voornaam in /in/CAL6C on line 2