3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'b'; $b = 'c'; $c = 'd'; $d = 'e'; $e = 'f'; $f = 'g'; $g = 'h'; echo $$$$$$$a;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
h