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
|
--TEST--
Test strncmp() function : usage variations - different lengths(all types)
--SKIPIF--
<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64-bit only");
--FILE--
<?php
/* Prototype : int strncmp ( string $str1, string $str2, int $len );
* Description: Binary safe case-sensitive string comparison of the first n characters
* Source code: Zend/zend_builtin_functions.c
*/
/* Test strncmp() function with the length as all types, and giving the same strings for 'str1' and 'str2' */
echo "*** Test strncmp() function: by supplying all types for 'len' ***\n";
/* definition of required variables */
$str1 = "Hello, World\n";
$str2 = "Hello, World\n";
/* get an unset variable */
$unset_var = 'string_val';
unset($unset_var);
/* get resource handle */
$file_handle = fopen(__FILE__, "r");
/* declaring a class */
class sample {
public function __toString() {
return "object";
}
}
/* array with different values */
$lengths = array (
/* integer values */
0,
1,
12345,
/* float values */
10.5,
10.5e10,
10.6E-10,
.5,
/* hexadecimal values */
0x12,
/* octal values */
012,
01.2,
/* array values */
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
/* boolean values */
true,
false,
TRUE,
FALSE,
/* nulls */
NULL,
null,
/* empty string */
"",
'',
/* undefined variable */
$undefined_var,
/* unset variable */
$unset_var,
/* resource */
$file_handle,
/* object */
new sample()
);
/* loop through each element of the array and check the working of strncmp() */
$counter = 1;
for($index = 0; $index < count($lengths); $index ++) {
$len = $lengths[$index];
echo "-- Iteration $counter --\n";
var_dump( strncmp($str1, $str2, $len) );
$counter ++;
}
fclose($file_handle);
echo "*** Done ***\n";
?>
--EXPECTF--
*** Test strncmp() function: by supplying all types for 'len' ***
Notice: Undefined variable: undefined_var in %s on line %d
Notice: Undefined variable: unset_var in %s on line %d
-- Iteration 1 --
int(0)
-- Iteration 2 --
int(0)
-- Iteration 3 --
int(0)
-- Iteration 4 --
int(0)
-- Iteration 5 --
int(0)
-- Iteration 6 --
int(0)
-- Iteration 7 --
int(0)
-- Iteration 8 --
int(0)
-- Iteration 9 --
int(0)
-- Iteration 10 --
int(0)
-- Iteration 11 --
Warning: strncmp() expects parameter 3 to be int, array given in%s on line %d
NULL
-- Iteration 12 --
Warning: strncmp() expects parameter 3 to be int, array given in%s on line %d
NULL
-- Iteration 13 --
Warning: strncmp() expects parameter 3 to be int, array given in%s on line %d
NULL
-- Iteration 14 --
Warning: strncmp() expects parameter 3 to be int, array given in%s on line %d
NULL
-- Iteration 15 --
Warning: strncmp() expects parameter 3 to be int, array given in%s on line %d
NULL
-- Iteration 16 --
int(0)
-- Iteration 17 --
int(0)
-- Iteration 18 --
int(0)
-- Iteration 19 --
int(0)
-- Iteration 20 --
int(0)
-- Iteration 21 --
int(0)
-- Iteration 22 --
Warning: strncmp() expects parameter 3 to be int, string given in%s on line %d
NULL
-- Iteration 23 --
Warning: strncmp() expects parameter 3 to be int, string given in%s on line %d
NULL
-- Iteration 24 --
int(0)
-- Iteration 25 --
int(0)
-- Iteration 26 --
Warning: strncmp() expects parameter 3 to be int, resource given in%s on line %d
NULL
-- Iteration 27 --
Warning: strncmp() expects parameter 3 to be int, object given in%s on line %d
NULL
*** Done ***
|
