3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $f = function () { $hello = 1; }; $s = serialize($f); echo $s;
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Exception: Serialization of 'Closure' is not allowed in /in/TS6Ok:4 Stack trace: #0 /in/TS6Ok(4): serialize(Object(Closure)) #1 {main} thrown in /in/TS6Ok on line 4
Process exited with code 255.
Output for hhvm-3.12.0
Warning: Attempted to serialize unserializable builtin class Closure$;411420603$b112832365c327e1ec0a5809a3e5782c$ in /in/TS6Ok on line 4 N;
Output for hhvm-3.10.0
Warning: Attempted to serialize unserializable builtin class Closure$;411420603$a3d60aa76eef509267ef0f2bad2c5b1d$ in /in/TS6Ok on line 4 N;
Output for 5.3.0 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /in/TS6Ok:4 Stack trace: #0 /in/TS6Ok(4): serialize(Object(Closure)) #1 {main} thrown in /in/TS6Ok on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/TS6Ok 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 T_FUNCTION in /in/TS6Ok on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TS6Ok on line 2
Process exited with code 255.