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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
--TEST--
ZE2 ArrayAccess and ArrayReferenceProxy with references
--FILE--
<?php
// NOTE: This will become part of SPL
class ArrayReferenceProxy implements ArrayAccess
{
private $object;
private $element;
function __construct(ArrayAccess $object, array &$element)
{
echo __METHOD__ . "(Array)\n";
$this->object = $object;
$this->element = &$element;
}
function offsetExists($index) {
echo __METHOD__ . "($this->element, $index)\n";
return array_key_exists($index, $this->element);
}
function offsetGet($index) {
echo __METHOD__ . "(Array, $index)\n";
return isset($this->element[$index]) ? $this->element[$index] : NULL;
}
function offsetSet($index, $value) {
echo __METHOD__ . "(Array, $index, $value)\n";
$this->element[$index] = $value;
}
function offsetUnset($index) {
echo __METHOD__ . "(Array, $index)\n";
unset($this->element[$index]);
}
}
class Peoples implements ArrayAccess
{
public $person;
function __construct()
{
$this->person = array(array('name'=>'Foo'));
}
function offsetExists($index)
{
return array_key_exists($index, $this->person);
}
function offsetGet($index)
{
return new ArrayReferenceProxy($this, $this->person[$index]);
}
function offsetSet($index, $value)
{
$this->person[$index] = $value;
}
function offsetUnset($index)
{
unset($this->person[$index]);
}
}
$people = new Peoples;
var_dump($people->person[0]['name']);
$people->person[0]['name'] = $people->person[0]['name'] . 'Bar';
var_dump($people->person[0]['name']);
$people->person[0]['name'] .= 'Baz';
var_dump($people->person[0]['name']);
echo "===ArrayOverloading===\n";
$people = new Peoples;
var_dump($people[0]);
var_dump($people[0]['name']);
$people[0]['name'] = 'FooBar';
var_dump($people[0]['name']);
$people[0]['name'] = $people->person[0]['name'] . 'Bar';
var_dump($people[0]['name']);
$people[0]['name'] .= 'Baz';
var_dump($people[0]['name']);
unset($people[0]['name']);
var_dump($people[0]);
var_dump($people[0]['name']);
$people[0]['name'] = 'BlaBla';
var_dump($people[0]['name']);
?>
===DONE===
<?php exit(0); ?>
--EXPECTF--
string(3) "Foo"
string(6) "FooBar"
string(9) "FooBarBaz"
===ArrayOverloading===
ArrayReferenceProxy::__construct(Array)
object(ArrayReferenceProxy)#%d (2) {
["object":"ArrayReferenceProxy":private]=>
object(Peoples)#%d (1) {
["person"]=>
array(1) {
[0]=>
&array(1) {
["name"]=>
string(3) "Foo"
}
}
}
["element":"ArrayReferenceProxy":private]=>
&array(1) {
["name"]=>
string(3) "Foo"
}
}
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
string(3) "Foo"
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetSet(Array, name, FooBar)
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
string(6) "FooBar"
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetSet(Array, name, FooBarBar)
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
string(9) "FooBarBar"
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
ArrayReferenceProxy::offsetSet(Array, name, FooBarBarBaz)
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
string(12) "FooBarBarBaz"
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetUnset(Array, name)
ArrayReferenceProxy::__construct(Array)
object(ArrayReferenceProxy)#%d (2) {
["object":"ArrayReferenceProxy":private]=>
object(Peoples)#%d (1) {
["person"]=>
array(1) {
[0]=>
&array(0) {
}
}
}
["element":"ArrayReferenceProxy":private]=>
&array(0) {
}
}
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
NULL
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetSet(Array, name, BlaBla)
ArrayReferenceProxy::__construct(Array)
ArrayReferenceProxy::offsetGet(Array, name)
string(6) "BlaBla"
===DONE===
|
