3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = (1 << 0); $b = (1 << 1); echo ($b | $a) << 2 ;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
12