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$multiline_string = <<<EOT
26hello world
27The quick brown fox jumped over;
28the lazy dog
29This is a double quoted string
30EOT;
31
32// heredoc with diferent whitespaces
33$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--EXPECTF--
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 --
111
112Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
113bool(false)
114-- Iteration 5 --
115array(1) {
116  [""]=>
117  NULL
118}
119-- Iteration 6 --
120array(6) {
121  ["a"]=>
122  string(3) "a"
123  ["aaaa
123"]=>
124  string(5) "aaaa
124"
125  ["b"]=>
126  string(1) "b"
127  ["b	bbb"]=>
128  string(5) "b	bbb"
129  ["c"]=>
130  string(1) "c"
131  ["\[\]\!\@\#$\%\^\&\*\(\)\{\}"]=>
132  string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
133}
134-- Iteration 7 --
135array(6) {
136  ["a\v\f"]=>
137  string(5) "a\v\f"
138  ["aaaa\r"]=>
139  string(6) "aaaa\r"
140  ["b"]=>
141  string(1) "b"
142  ["b\tbbb"]=>
143  string(6) "b\tbbb"
144  ["c"]=>
145  string(1) "c"
146  ["\[\]\!\@\#\$\%\^\&\*\(\)\{\}"]=>
147  string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
148}
149-- Iteration 8 --
150array(4) {
151  ["
152"]=>
153  string(1) "
154"
155  ["hello world
156The quick brown fox jumped over;
157the lazy dog
158This is a double quoted string"]=>
159  string(88) "hello world
160The quick brown fox jumped over;
161the lazy dog
162This is a double quoted string"
163  ["hello
163 world
1641111		 != 2222
165heredoc
166double quoted string. withdifferentwhitespaces"]=>
167  string(88) "hello
167 world
1681111		 != 2222
169heredoc
170double quoted string. withdifferentwhitespaces"
171  ["11 < 12. 123 >22
172'single quoted string'
173"double quoted string"
1742222 != 1111.	 0000 = 0000
175"]=>
176  string(90) "11 < 12. 123 >22
177'single quoted string'
178"double quoted string"
1792222 != 1111.	 0000 = 0000
180"
181}
182-- Iteration 9 --
183array(3) {
184  ["one"]=>
185  string(3) "one"
186  ["two"]=>
187  string(3) "two"
188  ["three"]=>
189  string(5) "three"
190}
191-- Iteration 10 --
192array(3) {
193  [1]=>
194  int(1)
195  [2]=>
196  int(2)
197  [3]=>
198  int(3)
199}
200-- Iteration 11 --
201array(4) {
202  [10]=>
203  int(10)
204  [20]=>
205  int(20)
206  [40]=>
207  int(40)
208  [30]=>
209  int(30)
210}
211-- Iteration 12 --
212array(3) {
213  ["ten"]=>
214  string(3) "ten"
215  ["twenty"]=>
216  string(6) "twenty"
217  ["thirty"]=>
218  string(6) "thirty"
219}
220-- Iteration 13 --
221array(3) {
222  [1]=>
223  int(1)
224  ["two"]=>
225  string(3) "two"
226  ["four"]=>
227  string(4) "four"
228}
229-- Iteration 14 --
230array(2) {
231  ["null"]=>
232  string(4) "null"
233  [""]=>
234  NULL
235}
236-- Iteration 15 --
237array(4) {
238  ["true"]=>
239  string(4) "true"
240  ["false"]=>
241  string(5) "false"
242  [""]=>
243  bool(false)
244  [1]=>
245  bool(true)
246}
247-- Iteration 16 --
248array(2) {
249  ["emptys"]=>
250  string(6) "emptys"
251  [""]=>
252  string(0) ""
253}
254-- Iteration 17 --
255array(2) {
256  [""]=>
257  bool(false)
258  [1]=>
259  bool(true)
260}
261-- Iteration 18 --
262array(3) {
263  [4]=>
264  int(4)
265  [5]=>
266  int(5)
267  [6]=>
268  int(6)
269}
270-- Iteration 19 --
271array(3) {
272  [10]=>
273  int(10)
274  [20]=>
275  int(20)
276  [3]=>
277  int(3)
278}
279Done
280