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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
--TEST--
Test array_diff_key() function : usage variation - Passing unexpected values to third optional argument
--FILE--
<?php
/* Prototype : array array_diff_key(array arr1, array arr2 [, array ...])
* Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments.
* Source code: ext/standard/array.c
*/
echo "*** Testing array_diff_key() : usage variation ***\n";
// Initialise function arguments not being substituted (if any)
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//resource variable
$fp = fopen(__FILE__, "r");
// define some classes
class classWithToString
{
public function __toString() {
return "Class A object";
}
}
class classWithoutToString
{
}
// heredoc string
$heredoc = <<<EOT
hello world
EOT;
//array of values to iterate over
$inputs = array(
// int data
'int 0' => 0,
'int 1' => 1,
'int 12345' => 12345,
'int -12345' => -12345,
// float data
'float 10.5' => 10.5,
'float -10.5' => -10.5,
'float 12.3456789000e10' => 12.3456789000e10,
'float -12.3456789000e10' => -12.3456789000e10,
'float .5' => .5,
// null data
'uppercase NULL' => NULL,
'lowercase null' => null,
// boolean data
'lowercase true' => true,
'lowercase false' =>false,
'uppercase TRUE' =>TRUE,
'uppercase FALSE' =>FALSE,
// empty data
'empty string DQ' => "",
'empty string SQ' => '',
// string data
'string DQ' => "string",
'string SQ' => 'string',
'mixed case string' => "sTrInG",
'heredoc' => $heredoc,
// object data
'instance of classWithToString' => new classWithToString(),
'instance of classWithoutToString' => new classWithoutToString(),
// undefined data
'undefined var' => @$undefined_var,
// unset data
'unset var' => @$unset_var,
// resource data
'resource' => $fp,
);
// loop through each element of the array for arr1
foreach($inputs as $key =>$value) {
echo "\n--$key--\n";
var_dump( array_diff_key($array1, $array2, $value) );
};
fclose($fp);
?>
===DONE===
--EXPECTF--
*** Testing array_diff_key() : usage variation ***
--int 0--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int 1--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int 12345--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--int -12345--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float 10.5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float -10.5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float 12.3456789000e10--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float -12.3456789000e10--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--float .5--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase NULL--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase null--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase true--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--lowercase false--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase TRUE--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--uppercase FALSE--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--empty string DQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--empty string SQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--string DQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--string SQ--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--mixed case string--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--heredoc--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--instance of classWithToString--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--instance of classWithoutToString--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--undefined var--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--unset var--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
--resource--
Warning: array_diff_key(): Argument #3 is not an array in %s on line %d
NULL
===DONE===
|
