3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 2; $b = 3; $c = $a << $b; var_dump($c);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(16)