Online PHP editor | refs for 6YZ0r

@ 2017-07-04T12:28:00Z

<?php

class Car
{
}

class Bike
{
}

function compareCars(array $cars)
{
    array_walk($cars, function(Car $value) {});
}

$cars1 = [new Car(), new Car()];
$cars2 = [new Car(), new Bike()];

compareCars($cars1);
compareCars($cars2);