3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $t = function() { echo 'hello world'; }; $enc = serialize($t); echo $enc;
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Exception: Serialization of 'Closure' is not allowed in /in/gUPON:7 Stack trace: #0 /in/gUPON(7): serialize(Object(Closure)) #1 {main} thrown in /in/gUPON on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Warning: Attempted to serialize unserializable builtin class Closure$;1494030481$674dbe266b25d7fd8d0582521ea453bc$ in /in/gUPON on line -1 N;
Output for hhvm-3.10.0
Warning: Attempted to serialize unserializable builtin class Closure$;1494030481$9637e586be13adfa3edd38eae06634fa$ in /in/gUPON on line 7 N;
Output for 5.3.0 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /in/gUPON:7 Stack trace: #0 /in/gUPON(7): serialize(Object(Closure)) #1 {main} thrown in /in/gUPON on line 7
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/gUPON 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 T_FUNCTION in /in/gUPON on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gUPON on line 3
Process exited with code 255.