3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x=true; var_dump((unset)$x);
Output for 7.2.0 - 7.2.6
Deprecated: The (unset) cast is deprecated in /in/juOOv on line 3 NULL
Output for 4.3.0 - 7.1.20
NULL