3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = function (int $x) {}; $x(1);
based on bYBfK
Output for 7.0.0 - 7.3.0rc6
Output for 5.3.20 - 5.6.28
Catchable fatal error: Argument 1 passed to {closure}() must be an instance of int, integer given, called in /in/Os0TG on line 4 and defined in /in/Os0TG on line 3
Process exited with code 255.