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
|
--TEST--
Test sizeof() function : usage variations - for all scalar types and resource variable
--FILE--
<?php
/* Prototype : int sizeof($mixed var[, int $mode])
* Description: Counts an elements in an array. If Standard PHP library is installed,
* it will return the properties of an object.
* Source code: ext/standard/basic_functions.c
* Alias to functions: count()
*/
echo "*** Testing sizeof() : usage variations ***\n";
echo "--- Testing sizeof() for all scalar types in default,COUNT_NORMAL and COUNT_RECURSIVE mode ---\n";
// get a resource variable
$fp = fopen(__FILE__, "r");
// array containing all scalar types
$values = array (
// int values
/* 1 */ 0,
1,
// float values
/* 3 */ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
/* 7 */ .5,
// NULL values
/* 8 */ NULL,
null,
// boolean values
/* 10 */ TRUE,
FALSE,
true,
/* 13 */ false,
// string data
/* 14 */ "",
'',
"string",
/* 17 */ 'string',
// undefined variable
@$undefined_var,
// resource variable
/* 19 */ $fp
);
// loop through the each value of the array for 'var' argument and check the behaviour of sizeof()
$counter = 1;
for($i = 0; $i < count($values); $i++)
{
echo "-- Iteration $counter --\n";
$var = $values[$i];
echo "Default Mode: ";
var_dump( sizeof($var) );
echo "\n";
echo "COUNT_NORMAL Mode: ";
var_dump( sizeof($var, COUNT_NORMAL) );
echo "\n";
echo "COUNT_RECURSIVE Mode: ";
var_dump( sizeof($var, COUNT_RECURSIVE) );
echo "\n";
$counter++;
}
echo "Done";
?>
--EXPECTF--
*** Testing sizeof() : usage variations ***
--- Testing sizeof() for all scalar types in default,COUNT_NORMAL and COUNT_RECURSIVE mode ---
-- Iteration 1 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 2 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 3 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 4 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 5 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 6 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 7 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 8 --
Default Mode: int(0)
COUNT_NORMAL Mode: int(0)
COUNT_RECURSIVE Mode: int(0)
-- Iteration 9 --
Default Mode: int(0)
COUNT_NORMAL Mode: int(0)
COUNT_RECURSIVE Mode: int(0)
-- Iteration 10 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 11 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 12 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 13 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 14 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 15 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 16 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 17 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
-- Iteration 18 --
Default Mode: int(0)
COUNT_NORMAL Mode: int(0)
COUNT_RECURSIVE Mode: int(0)
-- Iteration 19 --
Default Mode: int(1)
COUNT_NORMAL Mode: int(1)
COUNT_RECURSIVE Mode: int(1)
Done
|
