3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A {} class B {} $obj = new B(); if (!$obj instanceof A) { echo 'ya'; }
based on ToMLP
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
ya