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
|
--TEST--
Test usort() function : usage variations - string data
--FILE--
<?php
/* Prototype : bool usort(array $array_arg, string $cmp_function)
* Description: Sort an array by values using a user-defined comparison function
* Source code: ext/standard/array.c
*/
/*
* Pass arrays of string data to usort() to test how it is re-ordered
*/
echo "*** Testing usort() : usage variation ***\n";
function cmp_function($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else {
return -1;
}
}
// Different heredoc strings to be sorted
$empty_heredoc =<<<EOT
EOT;
$simple_heredoc1 =<<<EOT
Heredoc
EOT;
$simple_heredoc2 =<<<EOT
HEREDOC
EOT;
$multiline_heredoc =<<<EOT
heredoc string\twith!@# and 123
Test this!!!
EOT;
// Single quoted strings
$single_quoted_values = array(
0 => ' ', 1 => 'test', 3 => 'Hello', 4 => 'HELLO',
5 => '', 6 => '\t', 7 => '0', 8 => '123Hello',
9 => '\'', 10 => '@#$%'
);
echo "\n-- Sorting Single Quoted String values --\n";
var_dump( usort($single_quoted_values, 'cmp_function') );
var_dump($single_quoted_values);
// Double quoted strings
$double_quoted_values = array(
0 => " ", 1 => "test", 3 => "Hello", 4 => "HELLO",
5 => "", 6 => "\t", 7 => "0", 8 => "123Hello",
9 => "\"", 10 => "@#$%"
);
echo "\n-- Sorting Double Quoted String values --\n";
var_dump( usort($double_quoted_values, 'cmp_function') );
var_dump($double_quoted_values);
// Heredoc strings
$heredoc_values = array(0 => $empty_heredoc, 1 => $simple_heredoc1,
2 => $simple_heredoc2, 3 => $multiline_heredoc);
echo "\n-- Sorting Heredoc String values --\n";
var_dump( usort($heredoc_values, 'cmp_function') );
var_dump($heredoc_values);
?>
===DONE===
--EXPECTF--
*** Testing usort() : usage variation ***
-- Sorting Single Quoted String values --
bool(true)
array(10) {
[0]=>
string(0) ""
[1]=>
string(1) " "
[2]=>
string(1) "'"
[3]=>
string(1) "0"
[4]=>
string(8) "123Hello"
[5]=>
string(4) "@#$%"
[6]=>
string(5) "HELLO"
[7]=>
string(5) "Hello"
[8]=>
string(2) "\t"
[9]=>
string(4) "test"
}
-- Sorting Double Quoted String values --
bool(true)
array(10) {
[0]=>
string(0) ""
[1]=>
string(1) " "
[2]=>
string(1) " "
[3]=>
string(1) """
[4]=>
string(1) "0"
[5]=>
string(8) "123Hello"
[6]=>
string(4) "@#$%"
[7]=>
string(5) "HELLO"
[8]=>
string(5) "Hello"
[9]=>
string(4) "test"
}
-- Sorting Heredoc String values --
bool(true)
array(4) {
[0]=>
string(0) ""
[1]=>
string(7) "HEREDOC"
[2]=>
string(7) "Heredoc"
[3]=>
string(%d) "heredoc string with!@# and 123
Test this!!!"
}
===DONE===
|
