3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(unpack(pack('C'), -2)[1]); var_dump(unpack(pack('c'), -2)[1]);
Output for 5.4.0 - 7.2.0
Warning: pack(): Type C: too few arguments in /in/YIVAa on line 3 Notice: Undefined offset: 1 in /in/YIVAa on line 3 NULL Warning: pack(): Type c: too few arguments in /in/YIVAa on line 4 Notice: Undefined offset: 1 in /in/YIVAa on line 4 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YIVAa on line 3
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/YIVAa on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YIVAa on line 3
Process exited with code 255.