3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $penis = '8==o'; ${$penis} = 'penis'; echo ${$penis};
based on a701r
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
penis