Online PHP editor | refs for D549v

@ 2015-12-08T23:50:27Z

<?php

declare(strict_types=1);

abstract class InterfaceA
{
    abstract function beMyself(): self;
}

class ClassA extends InterfaceA
{
    function beMyself(): self
    {
        return $this;
    }
}

var_dump((new ClassA)->beMyself());