3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(isset(null));
Output for 5.5.0 - 5.6.30, 7.0.0 - 7.1.1
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/bB6Km on line 3
Process exited with code 255.
Output for hhvm-3.10.1 - 3.13.2, hhvm-3.15.4 - 3.17.1
bool(false)
Output for hhvm-3.14.5
Uncaught exception: std::bad_alloc
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/bB6Km on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/bB6Km on line 3
Process exited with code 255.