Online PHP editor | refs for 45tDp

@ 2015-10-08T15:08:45Z

<?php

abstract class x {
    function test($z, x $x)
    {
        var_dump($x);
    }
}

class y extends x {
    function test($z, $x = null)
    {
        parent::test($x, $x);
    }
}

(new y)->test(null);