3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); function say() { echo 'Dick'; } array_walk($fruits, 'say');
Output for 4.3.0 - 7.2.0
DickDickDickDick