1--TEST-- 2Forward compatibility with types that look like classes but aren't 3--FILE-- 4<?php 5 6spl_autoload_register(function($class) { 7 var_dump($class); 8 if ($class === 'X') { 9 class X {} 10 } else { 11 class Y {} 12 } 13}); 14 15class A { 16 public function method(X $param) : object {} 17} 18 19class B extends A { 20 public function method(object $param) : Y {} 21} 22 23?> 24--EXPECT-- 25string(1) "X" 26string(1) "Y" 27