3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function test(){} $a = function(){}; var_dump($a instanceof Closure);exit;
based on nV1J2
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
bool(true)