3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $l = null; if (null === $l2 = $l) { echo "l1"; } else { echo "l2"; } echo $l2;
based on cj3CC
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
l1