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
|
--TEST--
Test wordwrap() function : usage variations - unexptected value for cut argument
--FILE--
<?php
/* Prototype : string wordwrap ( string $str [, int $width [, string $break [, bool $cut]]] )
* Description: Wraps buffer to selected number of characters using string break char
* Source code: ext/standard/string.c
*/
/*
* test wordwrap() by supplying different values for cut argument
*/
echo "*** Testing wordwrap() : usage variations ***\n";
// initialize all required variables
$str = 'testing wordwrap function';
$width = 10;
$break = '<br />\n';
// get an unset variable
$unset_var = true;
unset($unset_var);
// resource variable
$fp = fopen(__FILE__, "r");
// array with different values
$values = array (
// integer values
0,
1,
12345,
-2345,
// float values
10.5,
-10.5,
10.5e10,
10.6E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// string values
"string",
'string',
// objects
new stdclass(),
// empty string
"",
'',
// undefined variable
@$undefined_var,
// unset variable
@$unset_var
);
// loop though each element of the array and check the working of wordwrap()
// when $cut arugment is supplied with different values
echo "\n--- Testing wordwrap() by supplying different values for 'cut' argument ---\n";
$counter = 1;
for($index = 0; $index < count($values); $index ++) {
echo "-- Iteration $counter --\n";
$cut = $values [$index];
var_dump( wordwrap($str, $width, $break, $cut) );
$counter ++;
}
// close the resource
fclose($fp);
echo "Done\n";
?>
--EXPECTF--
*** Testing wordwrap() : usage variations ***
--- Testing wordwrap() by supplying different values for 'cut' argument ---
-- Iteration 1 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 2 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 3 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 4 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 5 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 6 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 7 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 8 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 9 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 10 --
Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d
NULL
-- Iteration 12 --
Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d
NULL
-- Iteration 13 --
Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d
NULL
-- Iteration 14 --
Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d
NULL
-- Iteration 15 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 16 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 17 --
Warning: wordwrap() expects parameter 4 to be boolean, object given in %s on line %d
NULL
-- Iteration 18 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 19 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 20 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
-- Iteration 21 --
string(39) "testing<br />\nwordwrap<br />\nfunction"
Done
|
