3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $var = 12; $var = (unset)$var; var_dump($var);
Output for 7.2.0 - 7.3.1
Deprecated: The (unset) cast is deprecated in /in/9AUGn on line 4 NULL
Output for 5.3.18 - 7.1.25
NULL