3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = "baz"; $bar = "foo"; if(isset($foo['baz'][$bar])) { var_dump($foo); } else { var_dump($bar); } ?>
based on Vsske
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "foo"