3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo {} $foo = new foo(); print_r(var_dump(isset($foo->bar), true));
based on 0R0hF
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false) bool(true)