3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print(isset(null)); ?>
Output for hhvm-3.10.0 - 3.12.0
Output for 5.5.0 - 5.5.8
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/g4IRY on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/g4IRY on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/g4IRY on line 3
Process exited with code 255.