3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = new class {private $bar = '2';}; var_dump(serialize($foo));
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Exception: Serialization of 'class@anonymous' is not allowed in /in/eUoup:4 Stack trace: #0 /in/eUoup(4): serialize(Object(class@anonymous)) #1 {main} thrown in /in/eUoup on line 4
Process exited with code 255.
Output for 5.4.12 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/eUoup on line 3
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected T_CLASS in /in/eUoup on line 3
Process exited with code 255.