3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 5; $y = &$x; //Note that y IS NEVER USED echo ++$x . $x++;
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
66
Output for 4.3.0 - 5.6.28
76