contravariant_nullable_return_fails.phpt   [plain text]

--TEST--
Return type cannot add nullability (contravariance)
--FILE--
<?php

interface A {
    function method(): int;
}

interface B extends A {
    function method(): ?int;
}
--EXPECTF--
Fatal error: Declaration of B::method(): ?int must be compatible with A::method(): int in %s on line %d