3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = 5; $bar = 10; $bar = &$foo; var_dump($foo);
based on lcHMD
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(5)