1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
--TEST--
Multiple WeakMaps / WeakRefs on the same object
--FILE--
<?php
$obj = new stdClass;
$ref = WeakReference::create($obj);
$map = new WeakMap;
$map[$obj] = 1;
$map2 = new WeakMap;
$map2[$obj] = 1;
$map3 = clone $map2;
var_dump($ref === WeakReference::create($obj));
var_dump($ref->get(), $map, $map2, $map3);
unset($obj);
var_dump($ref->get(), $map, $map2, $map3);
unset($ref, $map, $map2);
$obj = new stdClass;
$ref = WeakReference::create($obj);
$map = new WeakMap;
$map[$obj] = 1;
$map2 = new WeakMap;
$map2[$obj] = 1;
$map3 = clone $map2;
unset($ref, $map, $map2, $map3);
var_dump($obj);
unset($obj);
?>
--EXPECT--
bool(true)
object(stdClass)#1 (0) {
}
object(WeakMap)#3 (1) {
[0]=>
array(2) {
["key"]=>
object(stdClass)#1 (0) {
}
["value"]=>
int(1)
}
}
object(WeakMap)#4 (1) {
[0]=>
array(2) {
["key"]=>
object(stdClass)#1 (0) {
}
["value"]=>
int(1)
}
}
object(WeakMap)#5 (1) {
[0]=>
array(2) {
["key"]=>
object(stdClass)#1 (0) {
}
["value"]=>
int(1)
}
}
NULL
object(WeakMap)#3 (0) {
}
object(WeakMap)#4 (0) {
}
object(WeakMap)#5 (0) {
}
object(stdClass)#4 (0) {
}
|
