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
|
--TEST--
Test usort() function : object functionality - different number of properties
--FILE--
<?php
/*
* Pass an array of objects which have a different number of properties
* to test behaviour of usort()
*/
echo "*** Testing usort() : object functionality ***\n";
function simple_cmp($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else
return -1;
}
// comparison function for SimpleClass2 objects which has more than one member
function multiple_cmp($value1, $value2)
{
if($value1->getValue() == $value2->getValue())
return 0;
else if($value1->getValue() > $value2->getValue())
return 1;
else
return -1;
}
// Simple class with single property
class SimpleClass1
{
private $int_value;
public function __construct($value) {
$this->int_value = $value;
}
}
// Simple class with more than one property
class SimpleClass2
{
private $int_value;
protected $float_value;
public $string_value;
public function __construct($int, $float, $str) {
$this->int_value = $int;
$this->float_value = $float;
$this->string_value = $str;
}
public function getValue() {
return $this->int_value;
}
}
// array of SimpleClass objects with only one property
$array_arg = array(
0 => new SimpleClass1(10),
1 => new SimpleClass1(1),
2 => new SimpleClass1(100),
3 => new SimpleClass1(50)
);
var_dump( usort($array_arg, 'simple_cmp') );
var_dump($array_arg);
// array of SimpleClass objects having more than one properties
$array_arg = array(
0 => new SimpleClass2(2, 3.4, "mango"),
1 => new SimpleClass2(10, 1.2, "apple"),
2 => new SimpleClass2(5, 2.5, "orange"),
);
var_dump( usort($array_arg, 'multiple_cmp') );
var_dump($array_arg);
?>
--EXPECTF--
*** Testing usort() : object functionality ***
bool(true)
array(4) {
[0]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(1)
}
[1]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(10)
}
[2]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(50)
}
[3]=>
object(SimpleClass1)#%d (1) {
["int_value":"SimpleClass1":private]=>
int(100)
}
}
bool(true)
array(3) {
[0]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(2)
["float_value":protected]=>
float(3.4)
["string_value"]=>
string(5) "mango"
}
[1]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(5)
["float_value":protected]=>
float(2.5)
["string_value"]=>
string(6) "orange"
}
[2]=>
object(SimpleClass2)#%d (3) {
["int_value":"SimpleClass2":private]=>
int(10)
["float_value":protected]=>
float(1.2)
["string_value"]=>
string(5) "apple"
}
}
|