3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $bitPointer = 2; $length = 1; $mask = (0xff >> (8 - $length)) << (8 - $bitPointer); printf("%08b", $mask);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
01000000
Output for hhvm-3.10.0

Process exited with code 153.