1--TEST-- 2Invalid union type variance: Adding extra return type 3--FILE-- 4<?php 5 6class A { 7 public function method(): int {} 8} 9class B extends A { 10 public function method(): int|float {} 11} 12 13?> 14--EXPECTF-- 15Fatal error: Declaration of B::method(): int|float must be compatible with A::method(): int in %s on line %d 16