3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $unpack_data =[1=>2,2]; var_dump(pack('C*', ...array_values($unpack_data)));
based on 5HCfP
Output for 5.6.8 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(2) ""
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '.' in /in/SEa83 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/SEa83 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/SEa83 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/SEa83 on line 2
Process exited with code 255.