1--TEST--
2Lazy objects: unset of undefined dynamic property initializes object
3--FILE--
4<?php
5
6#[AllowDynamicProperties]
7class C {
8    public int $b = 1;
9
10    public function __construct(int $a) {
11        var_dump(__METHOD__);
12        $this->b = 2;
13    }
14}
15
16function test(string $name, object $obj) {
17    printf("# %s:\n", $name);
18
19    var_dump($obj);
20    unset($obj->a);
21    var_dump($obj);
22}
23
24$reflector = new ReflectionClass(C::class);
25
26$obj = $reflector->newLazyGhost(function ($obj) {
27    var_dump("initializer");
28    $obj->__construct(1);
29});
30
31test('Ghost', $obj);
32
33$obj = $reflector->newLazyProxy(function ($obj) {
34    var_dump("initializer");
35    return new C(1);
36});
37
38test('Proxy', $obj);
39
40--EXPECTF--
41# Ghost:
42lazy ghost object(C)#%d (0) {
43  ["b"]=>
44  uninitialized(int)
45}
46string(11) "initializer"
47string(14) "C::__construct"
48object(C)#%d (1) {
49  ["b"]=>
50  int(2)
51}
52# Proxy:
53lazy proxy object(C)#%d (0) {
54  ["b"]=>
55  uninitialized(int)
56}
57string(11) "initializer"
58string(14) "C::__construct"
59lazy proxy object(C)#%d (1) {
60  ["instance"]=>
61  object(C)#%d (1) {
62    ["b"]=>
63    int(2)
64  }
65}
66