3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = $_POST['s']; // Source: https://bugs.php.net/bug.php?id=62476 TRUE ? (print "ok") : NULL;
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: s in /in/WGbJU on line 2 ok
Output for 4.3.0 - 5.2.17
Notice: Undefined index: s in /in/WGbJU on line 2 ok