1--TEST--
2Lazy objects: property isset initializes object
3--FILE--
4<?php
5
6class C {
7    public $a;
8    public int $b = 1;
9
10    public function __construct(int $a) {
11        var_dump(__METHOD__);
12        $this->a = $a;
13        $this->b = 2;
14    }
15}
16
17function test(string $name, object $obj) {
18    printf("# %s:\n", $name);
19
20    var_dump($obj);
21    var_dump(isset($obj->a));
22    var_dump($obj);
23}
24
25$reflector = new ReflectionClass(C::class);
26
27$obj = $reflector->newLazyGhost(function ($obj) {
28    var_dump("initializer");
29    $obj->__construct(1);
30});
31
32test('Ghost', $obj);
33
34$obj = $reflector->newLazyProxy(function ($obj) {
35    var_dump("initializer");
36    return new C(1);
37});
38
39test('Proxy', $obj);
40
41--EXPECTF--
42# Ghost:
43lazy ghost object(C)#%d (0) {
44  ["b"]=>
45  uninitialized(int)
46}
47string(11) "initializer"
48string(14) "C::__construct"
49bool(true)
50object(C)#%d (2) {
51  ["a"]=>
52  int(1)
53  ["b"]=>
54  int(2)
55}
56# Proxy:
57lazy proxy object(C)#%d (0) {
58  ["b"]=>
59  uninitialized(int)
60}
61string(11) "initializer"
62string(14) "C::__construct"
63bool(true)
64lazy proxy object(C)#%d (1) {
65  ["instance"]=>
66  object(C)#%d (2) {
67    ["a"]=>
68    int(1)
69    ["b"]=>
70    int(2)
71  }
72}
73