3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo {} $foo = new foo(); var_dump(isset($foo->bar));
based on 9B4co
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)