3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo implements Countable { public function count() { return 99; } } $foo = new Foo(); echo count($foo);
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
99