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
233
234
235
236
237
238
|
--TEST--
Test explode() function : usage variations - test values for $limit argument
--FILE--
<?php
/* Prototype : array explode ( string $delimiter , string $string [, int $limit ] )
* Description: Split a string by string.
* Source code: ext/standard/string.c
*/
echo "*** Testing explode() function: with unexpected inputs for 'limit' argument ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
public function __toString() {
return "sample object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
// array with different values for $delimiter
$limits = array (
// integer values
/*1*/ 0,
1,
255,
256,
2147483647,
-2147483648,
// float values
/*7*/ 10.5,
-20.5,
10.1234567e5,
// array values
/*10*/ array(),
array(0),
array(1, 2),
// boolean values
/*13*/ true,
false,
TRUE,
FALSE,
// null values
/*17*/ NULL,
null,
// objects
/*19*/ new sample(),
// resource
/*20*/ $file_handle,
// undefined variable
/*21*/ @$undefined_var,
// unset variable
/*22*/ @$unset_var
);
// loop through with each element of the $limits array to test explode() function
$count = 1;
$delimiter = " ";
$string = "piece1 piece2 piece3 piece4 piece5 piece6";
foreach($limits as $limit) {
echo "-- Iteration $count --\n";
var_dump( explode($delimiter, $string, $limit) );
$count ++;
}
fclose($file_handle); //closing the file handle
?>
===Done===
--EXPECTF--
*** Testing explode() function: with unexpected inputs for 'limit' argument ***
-- Iteration 1 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 2 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 3 --
array(6) {
[0]=>
string(6) "piece1"
[1]=>
string(6) "piece2"
[2]=>
string(6) "piece3"
[3]=>
string(6) "piece4"
[4]=>
string(6) "piece5"
[5]=>
string(6) "piece6"
}
-- Iteration 4 --
array(6) {
[0]=>
string(6) "piece1"
[1]=>
string(6) "piece2"
[2]=>
string(6) "piece3"
[3]=>
string(6) "piece4"
[4]=>
string(6) "piece5"
[5]=>
string(6) "piece6"
}
-- Iteration 5 --
array(6) {
[0]=>
string(6) "piece1"
[1]=>
string(6) "piece2"
[2]=>
string(6) "piece3"
[3]=>
string(6) "piece4"
[4]=>
string(6) "piece5"
[5]=>
string(6) "piece6"
}
-- Iteration 6 --
array(0) {
}
-- Iteration 7 --
array(6) {
[0]=>
string(6) "piece1"
[1]=>
string(6) "piece2"
[2]=>
string(6) "piece3"
[3]=>
string(6) "piece4"
[4]=>
string(6) "piece5"
[5]=>
string(6) "piece6"
}
-- Iteration 8 --
array(0) {
}
-- Iteration 9 --
array(6) {
[0]=>
string(6) "piece1"
[1]=>
string(6) "piece2"
[2]=>
string(6) "piece3"
[3]=>
string(6) "piece4"
[4]=>
string(6) "piece5"
[5]=>
string(6) "piece6"
}
-- Iteration 10 --
Warning: explode() expects parameter 3 to be integer, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: explode() expects parameter 3 to be integer, array given in %s on line %d
NULL
-- Iteration 12 --
Warning: explode() expects parameter 3 to be integer, array given in %s on line %d
NULL
-- Iteration 13 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 14 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 15 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 16 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 17 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 18 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 19 --
Warning: explode() expects parameter 3 to be integer, object given in %s on line %d
NULL
-- Iteration 20 --
Warning: explode() expects parameter 3 to be integer, resource given in %s on line %d
NULL
-- Iteration 21 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
-- Iteration 22 --
array(1) {
[0]=>
string(41) "piece1 piece2 piece3 piece4 piece5 piece6"
}
===Done===
|
