1--TEST--
2Test array_flip() function : basic functionality
3--FILE--
4<?php
5echo "*** Testing array_flip() : basic functionality ***\n";
6
7// array with default keys - numeric values
8$input = array(1, 2);
9var_dump( array_flip($input) );
10
11// array with default keys - string values
12$input = array('value1', "value2");
13var_dump( array_flip($input) );
14
15// associative arrays - key as string
16$input = array('key1' => 1, "key2" => 2);
17var_dump( array_flip($input) );
18
19// associative arrays - key as numeric
20$input = array(1 => 'one', 2 => "two");
21var_dump( array_flip($input) );
22
23// combination of associative and non-associative array
24$input = array(1 => 'one','two', 3 => 'three', 4, "five" => 5);
25var_dump( array_flip($input) );
26echo "Done"
27?>
28--EXPECT--
29*** Testing array_flip() : basic functionality ***
30array(2) {
31  [1]=>
32  int(0)
33  [2]=>
34  int(1)
35}
36array(2) {
37  ["value1"]=>
38  int(0)
39  ["value2"]=>
40  int(1)
41}
42array(2) {
43  [1]=>
44  string(4) "key1"
45  [2]=>
46  string(4) "key2"
47}
48array(2) {
49  ["one"]=>
50  int(1)
51  ["two"]=>
52  int(2)
53}
54array(5) {
55  ["one"]=>
56  int(1)
57  ["two"]=>
58  int(2)
59  ["three"]=>
60  int(3)
61  [4]=>
62  int(4)
63  [5]=>
64  string(4) "five"
65}
66Done
67