3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $error = unpack('Ccmd/Cerrno/Nid', 283); echo $error;
Output for 4.3.2 - 7.1.0
Warning: unpack(): Type N: not enough input, need 4, have 1 in /in/a1Wb7 on line 2
Output for 4.3.0 - 4.3.1
Warning: unpack() [http://www.php.net/function.unpack]: Type N: not enough input, need 4, have 1 in /in/a1Wb7 on line 2