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@ 2015-09-18T03:58:17Z

<?php

class A1{}
class A2 extends A1{}


class C1{
    function test() : A1{
        return new A1;
    }
}

class C2 extends C1{
    function test() : A2{
        return new A2;
    }
}


$x = new C1;
var_dump($x->test());

$x = new C2;
var_dump($x->test());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

95.12 ms | 2305 KiB | 5 Q