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
|
--TEST--
Test pow() function : usage variations - different data types as $base argument
--INI--
serialize_precision = 14
--SKIPIF--
<?php
if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
?>
--FILE--
<?php
/* Prototype : number pow ( number $base , number $exp )
* Description: Exponential expression.
* Source code: ext/standard/math.c
*/
echo "*** Testing pow() : usage variations ***\n";
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// heredoc string
$heredoc = <<<EOT
abc
xyz
EOT;
// get a class
class classA
{
}
// get a resource variable
$fp = fopen(__FILE__, "r");
$inputs = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
PHP_INT_MAX,
// float data
/*6*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*11*/ NULL,
null,
// boolean data
/*13*/ true,
false,
TRUE,
FALSE,
// empty data
/*17*/ "",
'',
array(),
// string data
/*20*/ "abcxyz",
'abcxyz',
$heredoc,
// object data
/*23*/ new classA(),
// undefined data
/*24*/ @$undefined_var,
// unset data
/*25*/ @$unset_var,
// resource variable
/*26*/ $fp
);
// loop through each element of $inputs to check the behaviour of pow()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
try {
var_dump(pow($input, 3));
} catch (Error $e) {
echo $e->getMessage(), "\n";
}
$iterator++;
};
fclose($fp);
?>
--EXPECTF--
*** Testing pow() : usage variations ***
-- Iteration 1 --
int(0)
-- Iteration 2 --
int(1)
-- Iteration 3 --
float(1881365963625)
-- Iteration 4 --
float(-12895213625)
-- Iteration 5 --
float(9.903520300448E+27)
-- Iteration 6 --
float(1157.625)
-- Iteration 7 --
float(-1157.625)
-- Iteration 8 --
float(1.881676371789%dE+33)
-- Iteration 9 --
float(1.881676371789%dE-27)
-- Iteration 10 --
float(0.125)
-- Iteration 11 --
int(0)
-- Iteration 12 --
int(0)
-- Iteration 13 --
int(1)
-- Iteration 14 --
int(0)
-- Iteration 15 --
int(1)
-- Iteration 16 --
int(0)
-- Iteration 17 --
Warning: A non-numeric value encountered in %s on line %d
int(0)
-- Iteration 18 --
Warning: A non-numeric value encountered in %s on line %d
int(0)
-- Iteration 19 --
Unsupported operand types: array ** int
-- Iteration 20 --
Warning: A non-numeric value encountered in %s on line %d
int(0)
-- Iteration 21 --
Warning: A non-numeric value encountered in %s on line %d
int(0)
-- Iteration 22 --
Warning: A non-numeric value encountered in %s on line %d
int(0)
-- Iteration 23 --
Unsupported operand types: object ** int
-- Iteration 24 --
int(0)
-- Iteration 25 --
int(0)
-- Iteration 26 --
%s
|
