1--TEST-- 2Added element of intersection type 3--FILE-- 4<?php 5 6interface X {} 7interface Y {} 8interface Z {} 9 10class A implements X, Y, Z {} 11 12class Collection { 13 public X&Y $intersect; 14} 15 16function foo(): X&Y { 17 return new A(); 18} 19 20function bar(X&Y $o): void { 21 var_dump($o); 22} 23 24$o = foo(); 25var_dump($o); 26 27$c = new Collection(); 28$a = new A(); 29 30$c->intersect = $a; 31echo 'OK', \PHP_EOL; 32bar($a); 33?> 34--EXPECT-- 35object(A)#1 (0) { 36} 37OK 38object(A)#3 (0) { 39} 40