3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test = pack('c*', -22); $testU = pack('C*', 234); echo $test; echo $testU; echo $test == $testU;
based on d0Ykl
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
��1