1--TEST--
2Test array_combine() function : usage variations - different arrays(Bug#43424)
3--FILE--
4<?php
5/* Prototype  : array array_combine(array $keys, array $values)
6 * Description: Creates an array by using the elements of the first parameter as keys
7 *              and the elements of the second as the corresponding values
8 * Source code: ext/standard/array.c
9*/
10
11/*
12* Passing different types of arrays to both $keys and $values arguments and testing whether
13* array_combine() behaves in an expected way with the arguments passed to the function
14*/
15
16echo "*** Testing array_combine() : Passing different types of arrays to both \$keys and \$values argument ***\n";
17/* Different heredoc strings passed as argument to arrays */
18// heredoc with blank line
19$blank_line = <<<EOT
20
21
22EOT;
23
24// heredoc with multiline string
25$multiline_string = <<<EOT
26hello world
27The quick brown fox jumped over;
28the lazy dog
29This is a double quoted string
30EOT;
31
32// heredoc with different whitespaces
33$diff_whitespaces = <<<EOT
34hello\r world\t
351111\t\t != 2222\v\v
36heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
37EOT;
38
39// heredoc with quoted strings and numeric values
40$numeric_string = <<<EOT
4111 < 12. 123 >22
42'single quoted string'
43"double quoted string"
442222 != 1111.\t 0000 = 0000\n
45EOT;
46
47// arrays passed to $keys argument
48$arrays = array (
49/*1*/  array(1, 2), // with default keys and numeric values
50       array(1.1, 2.2), // with default keys & float values
51       array(false,true), // with default keys and boolean values
52       array(), // empty array
53/*5*/  array(NULL), // with NULL
54       array("a\v\f","aaaa\r","b","b\tbbb","c","\[\]\!\@\#\$\%\^\&\*\(\)\{\}"),  // with double quoted strings
55       array('a\v\f','aaaa\r','b','b\tbbb','c','\[\]\!\@\#\$\%\^\&\*\(\)\{\}'),  // with single quoted strings
56       array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $numeric_string),  // with heredocs
57
58       // associative arrays
59/*9*/  array(1 => "one", 2 => "two", 3 => "three"),  // explicit numeric keys, string values
60       array("one" => 1, "two" => 2, "three" => 3 ),  // string keys & numeric values
61       array( 1 => 10, 2 => 20, 4 => 40, 3 => 30),  // explicit numeric keys and numeric values
62       array( "one" => "ten", "two" => "twenty", "three" => "thirty"),  // string key/value
63       array("one" => 1, 2 => "two", 4 => "four"),  //mixed
64
65       // associative array, containing null/empty/boolean values as key/value
66/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
67       array(true => "true", false => "false", "false" => false, "true" => true),
68       array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
69       array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
70       array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
71
72       // array with repetative keys
73/*19*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
74);
75
76// loop through each sub-array within $arrays to check the behavior of array_combine()
77// same arrays are passed to both $keys and $values
78$iterator = 1;
79foreach($arrays as $array) {
80  echo "-- Iteration $iterator --\n";
81  var_dump( array_combine($array, $array) );
82  $iterator++;
83}
84
85echo "Done";
86?>
87--EXPECT--
88*** Testing array_combine() : Passing different types of arrays to both $keys and $values argument ***
89-- Iteration 1 --
90array(2) {
91  [1]=>
92  int(1)
93  [2]=>
94  int(2)
95}
96-- Iteration 2 --
97array(2) {
98  ["1.1"]=>
99  float(1.1)
100  ["2.2"]=>
101  float(2.2)
102}
103-- Iteration 3 --
104array(2) {
105  [""]=>
106  bool(false)
107  [1]=>
108  bool(true)
109}
110-- Iteration 4 --
111array(0) {
112}
113-- Iteration 5 --
114array(1) {
115  [""]=>
116  NULL
117}
118-- Iteration 6 --
119array(6) {
120  ["a"]=>
121  string(3) "a"
122  ["aaaa
122"]=>
123  string(5) "aaaa
123"
124  ["b"]=>
125  string(1) "b"
126  ["b	bbb"]=>
127  string(5) "b	bbb"
128  ["c"]=>
129  string(1) "c"
130  ["\[\]\!\@\#$\%\^\&\*\(\)\{\}"]=>
131  string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
132}
133-- Iteration 7 --
134array(6) {
135  ["a\v\f"]=>
136  string(5) "a\v\f"
137  ["aaaa\r"]=>
138  string(6) "aaaa\r"
139  ["b"]=>
140  string(1) "b"
141  ["b\tbbb"]=>
142  string(6) "b\tbbb"
143  ["c"]=>
144  string(1) "c"
145  ["\[\]\!\@\#\$\%\^\&\*\(\)\{\}"]=>
146  string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
147}
148-- Iteration 8 --
149array(4) {
150  ["
151"]=>
152  string(1) "
153"
154  ["hello world
155The quick brown fox jumped over;
156the lazy dog
157This is a double quoted string"]=>
158  string(88) "hello world
159The quick brown fox jumped over;
160the lazy dog
161This is a double quoted string"
162  ["hello
162 world
1631111		 != 2222
164heredoc
165double quoted string. withdifferentwhitespaces"]=>
166  string(88) "hello
166 world
1671111		 != 2222
168heredoc
169double quoted string. withdifferentwhitespaces"
170  ["11 < 12. 123 >22
171'single quoted string'
172"double quoted string"
1732222 != 1111.	 0000 = 0000
174"]=>
175  string(90) "11 < 12. 123 >22
176'single quoted string'
177"double quoted string"
1782222 != 1111.	 0000 = 0000
179"
180}
181-- Iteration 9 --
182array(3) {
183  ["one"]=>
184  string(3) "one"
185  ["two"]=>
186  string(3) "two"
187  ["three"]=>
188  string(5) "three"
189}
190-- Iteration 10 --
191array(3) {
192  [1]=>
193  int(1)
194  [2]=>
195  int(2)
196  [3]=>
197  int(3)
198}
199-- Iteration 11 --
200array(4) {
201  [10]=>
202  int(10)
203  [20]=>
204  int(20)
205  [40]=>
206  int(40)
207  [30]=>
208  int(30)
209}
210-- Iteration 12 --
211array(3) {
212  ["ten"]=>
213  string(3) "ten"
214  ["twenty"]=>
215  string(6) "twenty"
216  ["thirty"]=>
217  string(6) "thirty"
218}
219-- Iteration 13 --
220array(3) {
221  [1]=>
222  int(1)
223  ["two"]=>
224  string(3) "two"
225  ["four"]=>
226  string(4) "four"
227}
228-- Iteration 14 --
229array(2) {
230  ["null"]=>
231  string(4) "null"
232  [""]=>
233  NULL
234}
235-- Iteration 15 --
236array(4) {
237  ["true"]=>
238  string(4) "true"
239  ["false"]=>
240  string(5) "false"
241  [""]=>
242  bool(false)
243  [1]=>
244  bool(true)
245}
246-- Iteration 16 --
247array(2) {
248  ["emptys"]=>
249  string(6) "emptys"
250  [""]=>
251  string(0) ""
252}
253-- Iteration 17 --
254array(2) {
255  [""]=>
256  bool(false)
257  [1]=>
258  bool(true)
259}
260-- Iteration 18 --
261array(3) {
262  [4]=>
263  int(4)
264  [5]=>
265  int(5)
266  [6]=>
267  int(6)
268}
269-- Iteration 19 --
270array(3) {
271  [10]=>
272  int(10)
273  [20]=>
274  int(20)
275  [3]=>
276  int(3)
277}
278Done
279