3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 3; $b = 4; $a = $b + ($b = $a) - $b ; echo $a; echo $b;
Output for 5.1.0 - 7.2.0
33
Output for 4.3.0 - 5.0.5
43