3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $dook = "farts"; $$dook = "shit"; $$$dook = "aids"; echo "$dook\n"; echo "$farts\n"; echo "$shit\n"; print_r($dook == $farts);
Output for 4.3.0 - 7.1.0
farts shit aids