blob: 51427df1e84fe2fb6e9d5e24682c9c09b5a9bc41 (
plain)
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
|
--TEST--
Implicit object instantiation when accessing properties of non-object.
--FILE--
<?php
class C {
// These values get implicitly converted to objects
public $boolFalse = false;
public $emptyString = '';
public $null = null;
// These values do not get implicitly converted to objects
public $boolTrue = true;
public $nonEmptyString = 'hello';
public $intZero = 0;
}
$c = new C;
foreach($c as $name => $value) {
echo "\n\n---( \$c->$name )---";
echo "\n --> Attempting implicit conversion to object using increment...\n";
$c->$name->prop++;
$c->$name = $value; // reset value in case implicit conversion was successful
echo "\n --> Attempting implicit conversion to object using assignment...\n";
$c->$name->prop = "Implicit instantiation!";
$c->$name = $value; // reset value in case implicit conversion was successful
echo "\n --> Attempting implicit conversion to object using combined assignment...\n";
$c->$name->prop .= " Implicit instantiation!";
}
echo "\n\n\n --> Resulting object:";
var_dump($c);
?>
--EXPECTF--
---( $c->boolFalse )---
--> Attempting implicit conversion to object using increment...
Warning: Creating default object from empty value in %s on line 18
Notice: Undefined property: stdClass::$prop in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Creating default object from empty value in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Creating default object from empty value in %s on line 26
Notice: Undefined property: stdClass::$prop in %s on line 26
---( $c->emptyString )---
--> Attempting implicit conversion to object using increment...
Warning: Creating default object from empty value in %s on line 18
Notice: Undefined property: stdClass::$prop in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Creating default object from empty value in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Creating default object from empty value in %s on line 26
Notice: Undefined property: stdClass::$prop in %s on line 26
---( $c->null )---
--> Attempting implicit conversion to object using increment...
Warning: Creating default object from empty value in %s on line 18
Notice: Undefined property: stdClass::$prop in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Creating default object from empty value in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Creating default object from empty value in %s on line 26
Notice: Undefined property: stdClass::$prop in %s on line 26
---( $c->boolTrue )---
--> Attempting implicit conversion to object using increment...
Warning: Attempt to %s property of non-object in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Attempt to assign property of non-object in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Attempt to assign property of non-object in %s on line 26
---( $c->nonEmptyString )---
--> Attempting implicit conversion to object using increment...
Warning: Attempt to %s property of non-object in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Attempt to assign property of non-object in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Attempt to assign property of non-object in %s on line 26
---( $c->intZero )---
--> Attempting implicit conversion to object using increment...
Warning: Attempt to %s property of non-object in %s on line 18
--> Attempting implicit conversion to object using assignment...
Warning: Attempt to assign property of non-object in %s on line 22
--> Attempting implicit conversion to object using combined assignment...
Warning: Attempt to assign property of non-object in %s on line 26
--> Resulting object:object(C)#%d (6) {
[%u|b%"boolFalse"]=>
object(stdClass)#%d (1) {
[%u|b%"prop"]=>
%unicode|string%(24) " Implicit instantiation!"
}
[%u|b%"emptyString"]=>
object(stdClass)#%d (1) {
[%u|b%"prop"]=>
%unicode|string%(24) " Implicit instantiation!"
}
[%u|b%"null"]=>
object(stdClass)#%d (1) {
[%u|b%"prop"]=>
%unicode|string%(24) " Implicit instantiation!"
}
[%u|b%"boolTrue"]=>
bool(true)
[%u|b%"nonEmptyString"]=>
%unicode|string%(5) "hello"
[%u|b%"intZero"]=>
int(0)
}
|
