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
|
--TEST--
Testing floatval() and its alias doubleval() functions : usage variations - different data types as $y arg
--FILE--
<?php
/* Prototype: float floatval( mixed $var );
* Description: Returns the float value of var.
*/
// get a resource type variable
$fp = fopen (__FILE__, "r");
fclose($fp);
$dfp = opendir ( dirname(__FILE__) );
closedir($dfp);
// other types in an array
$not_float_types = array (
"-2147483648" => -2147483648, // max negative integer value
"2147483647" => 2147483648, // max positive integer value
"file resoruce" => $fp,
"directory resource" => $dfp,
"\"0.0\"" => "0.0", // string
"\"1.0\"" => "1.0",
"\"-1.3e3\"" => "-1.3e3",
"\"bob-1.3e3\"" => "bob-1.3e3",
"\"10 Some dollars\"" => "10 Some dollars",
"\"10.2 Some Dollars\"" => "10.2 Some Dollars",
"\"10.0 dollar\" + 1" => "10.0 dollar" + 1,
"\"10.0 dollar\" + 1.0" => "10.0 dollar" + 1.0,
"\"\"" => "",
"true" => true,
"NULL" => NULL,
"null" => null,
);
/* loop through the $not_float_types to see working of
floatval() on non float types, expected output: float value valid floating point numbers */
echo "\n*** Testing floatval() on non floating types ***\n";
foreach ($not_float_types as $key => $type ) {
echo "\n-- Iteration : $key --\n";
var_dump( floatval($type) );
}
echo "\n*** Testing doubleval() on non floating types ***\n";
/* loop through the $not_float_types to see working of
doubleval() on non float types, expected output: float value valid floating point numbers */
foreach ($not_float_types as $key => $type ) {
echo "\n-- Iteration : $key --\n";
var_dump( doubleval($type) );
}
?>
===DONE===
--EXPECTF--
*** Testing floatval() on non floating types ***
-- Iteration : -2147483648 --
float(-2147483648)
-- Iteration : 2147483647 --
float(2147483648)
-- Iteration : file resoruce --
float(%d)
-- Iteration : directory resource --
float(%d)
-- Iteration : "0.0" --
float(0)
-- Iteration : "1.0" --
float(1)
-- Iteration : "-1.3e3" --
float(-1300)
-- Iteration : "bob-1.3e3" --
float(0)
-- Iteration : "10 Some dollars" --
float(10)
-- Iteration : "10.2 Some Dollars" --
float(10.2)
-- Iteration : "10.0 dollar" + 1 --
float(11)
-- Iteration : "10.0 dollar" + 1.0 --
float(11)
-- Iteration : "" --
float(0)
-- Iteration : true --
float(1)
-- Iteration : NULL --
float(0)
-- Iteration : null --
float(0)
*** Testing doubleval() on non floating types ***
-- Iteration : -2147483648 --
float(-2147483648)
-- Iteration : 2147483647 --
float(2147483648)
-- Iteration : file resoruce --
float(%d)
-- Iteration : directory resource --
float(%d)
-- Iteration : "0.0" --
float(0)
-- Iteration : "1.0" --
float(1)
-- Iteration : "-1.3e3" --
float(-1300)
-- Iteration : "bob-1.3e3" --
float(0)
-- Iteration : "10 Some dollars" --
float(10)
-- Iteration : "10.2 Some Dollars" --
float(10.2)
-- Iteration : "10.0 dollar" + 1 --
float(11)
-- Iteration : "10.0 dollar" + 1.0 --
float(11)
-- Iteration : "" --
float(0)
-- Iteration : true --
float(1)
-- Iteration : NULL --
float(0)
-- Iteration : null --
float(0)
===DONE===
|
