1--TEST--
2Test array_change_key_case() function - 2
3--FILE--
4<?php
5
6$item = array ("one" => 1, "two" => 2, "THREE" => 3, "FOUR" => "four");
7
8/* use 'case' argument other than CASE_LOWER & CASE_UPPER */
9var_dump(array_change_key_case($item, "CASE_UPPER"));
10var_dump(array_change_key_case($item, 5));
11
12/* when keys are different in terms of only case */
13/* should return one value key pair with key being in lowercase */
14var_dump( array_change_key_case( array("ONE" => 1, "one" => 3, "One" => 4) ) );
15var_dump( array_change_key_case( array("ONE" => 1, "one" => 6, "One" => 5), "CASE_UPPER" ) );
16
17/* should return one value key pair with key being in uppercase */
18var_dump( array_change_key_case( array("ONE" => 1, "one" => 2, "One" => 3), CASE_UPPER ) );
19var_dump( array_change_key_case( array("ONE" => 1, "one" => 1, "One" => 2), 5 ) );
20
21echo "end\n";
22?>
23--EXPECTF--
24Warning: array_change_key_case() expects parameter 2 to be integer, string given in %s on line %d
25NULL
26array(4) {
27  ["ONE"]=>
28  int(1)
29  ["TWO"]=>
30  int(2)
31  ["THREE"]=>
32  int(3)
33  ["FOUR"]=>
34  string(4) "four"
35}
36array(1) {
37  ["one"]=>
38  int(4)
39}
40
41Warning: array_change_key_case() expects parameter 2 to be integer, string given in %s on line %d
42NULL
43array(1) {
44  ["ONE"]=>
45  int(3)
46}
47array(1) {
48  ["ONE"]=>
49  int(2)
50}
51end
52