3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $postuser = 3; $bin = pack("I", $postuser); echo unpack("I",$bin);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/cq62j on line 7 Array
Output for 4.3.0 - 5.3.29
Array