3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=1; $b=&$a; $c=(++$a)+(++$a)+(++$a); echo $c;
based on u6E4M
Output for 7.0.0 - 7.2.0
9
Output for 5.5.0 - 5.6.28
10