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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
--TEST--
Test array_unique() function : usage variations - different arrays for 'input' argument
--FILE--
<?php
/* Prototype : array array_unique(array $input)
* Description: Removes duplicate values from array
* Source code: ext/standard/array.c
*/
/*
* Passing different arrays to $input argument and testing whether
* array_unique() behaves in an expected way.
*/
echo "*** Testing array_unique() : Passing different arrays to \$input argument ***\n";
/* Different heredoc strings passed as argument to arrays */
// heredoc with blank line
$blank_line = <<<EOT
EOT;
// heredoc with multiline string
$multiline_string = <<<EOT
hello world
The quick brown fox jumped over;
the lazy dog
This is a double quoted string
EOT;
// heredoc with different whitespaces
$diff_whitespaces = <<<EOT
hello\r world\t
1111\t\t != 2222\v\v
heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
EOT;
// heredoc with quoted strings and numeric values
$numeric_string = <<<EOT
11 < 12. 123 >22
'single quoted string'
"double quoted string"
2222 != 1111.\t 0000 = 0000\n
EOT;
// arrays passed to $input argument
$inputs = array (
/*1*/ array(1, 2, 2, 1), // with default keys and numeric values
array(1.1, 2.2, 1.1), // with default keys & float values
array(false, true, false), // with default keys and boolean values
array(), // empty array
/*5*/ array(NULL, null), // with NULL
array("a\v\f", "aaaa\r", "b", "aaaa\r", "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"), // with double quoted strings
array('a\v\f', 'aaaa\r', 'b', 'aaaa\r', '\[\]\!\@\#\$\%\^\&\*\(\)\{\}'), // with single quoted strings
array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $blank_line), // with heredocs
// associative arrays
/*9*/ array(1 => "one", 2 => "two", 2 => "two"), // explicit numeric keys, string values
array("one" => 1, "two" => 2, "1" => 1 ), // string keys & numeric values
array( 1 => 10, 2 => 20, 4 => 40, 5 => 10), // explicit numeric keys and numeric values
array( "one" => "ten", "two" => "twenty", "10" => "ten"), // string key/value
array("one" => 1, 2 => "two", 4 => "four"), //mixed
// associative array, containing null/empty/boolean values as key/value
/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
array(true => "true", false => "false", "false" => false, "true" => true),
array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
/*18*/ array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
);
// loop through each sub-array of $inputs to check the behavior of array_unique()
$iterator = 1;
foreach($inputs as $input) {
echo "-- Iteration $iterator --\n";
var_dump( array_unique($input, SORT_STRING) );
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_unique() : Passing different arrays to $input argument ***
-- Iteration 1 --
array(2) {
[0]=>
int(1)
[1]=>
int(2)
}
-- Iteration 2 --
array(2) {
[0]=>
float(1.1)
[1]=>
float(2.2)
}
-- Iteration 3 --
array(2) {
[0]=>
bool(false)
[1]=>
bool(true)
}
-- Iteration 4 --
array(0) {
}
-- Iteration 5 --
array(1) {
[0]=>
NULL
}
-- Iteration 6 --
array(4) {
[0]=>
%unicode|string%(3) "a "
[1]=>
%unicode|string%(5) "aaaa
"
[2]=>
%unicode|string%(1) "b"
[4]=>
%unicode|string%(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
}
-- Iteration 7 --
array(4) {
[0]=>
%unicode|string%(5) "a\v\f"
[1]=>
%unicode|string%(6) "aaaa\r"
[2]=>
%unicode|string%(1) "b"
[4]=>
%unicode|string%(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
}
-- Iteration 8 --
array(3) {
[%b|u%"h1"]=>
%unicode|string%(1) "
"
[%b|u%"h2"]=>
%unicode|string%(88) "hello world
The quick brown fox jumped over;
the lazy dog
This is a double quoted string"
[%b|u%"h3"]=>
%unicode|string%(88) "hello
world
1111 != 2222
heredoc
double quoted string. with different white spaces"
}
-- Iteration 9 --
array(2) {
[1]=>
%unicode|string%(3) "one"
[2]=>
%unicode|string%(3) "two"
}
-- Iteration 10 --
array(2) {
[%b|u%"one"]=>
int(1)
[%b|u%"two"]=>
int(2)
}
-- Iteration 11 --
array(3) {
[1]=>
int(10)
[2]=>
int(20)
[4]=>
int(40)
}
-- Iteration 12 --
array(2) {
[%b|u%"one"]=>
%unicode|string%(3) "ten"
[%b|u%"two"]=>
%unicode|string%(6) "twenty"
}
-- Iteration 13 --
array(3) {
[%b|u%"one"]=>
int(1)
[2]=>
%unicode|string%(3) "two"
[4]=>
%unicode|string%(4) "four"
}
-- Iteration 14 --
array(2) {
[%b|u%""]=>
%unicode|string%(4) "null"
[%b|u%"NULL"]=>
NULL
}
-- Iteration 15 --
array(4) {
[1]=>
%unicode|string%(4) "true"
[0]=>
%unicode|string%(5) "false"
[%b|u%"false"]=>
bool(false)
[%b|u%"true"]=>
bool(true)
}
-- Iteration 16 --
array(2) {
[%b|u%""]=>
%unicode|string%(6) "emptys"
[%b|u%"emptyd"]=>
%unicode|string%(0) ""
}
-- Iteration 17 --
array(2) {
[1]=>
%unicode|string%(0) ""
[6]=>
bool(true)
}
-- Iteration 18 --
array(3) {
[%b|u%""]=>
int(4)
[0]=>
int(5)
[1]=>
int(6)
}
Done
|
