1--TEST--
2Test array_change_key_case() function : usage variations - Pass different data types as $input arg
3--FILE--
4<?php
5/* Prototype  : array array_change_key_case(array $input [, int $case])
6 * Description: Retuns an array with all string keys lowercased [or uppercased]
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass different data types as $input argument to test behaviour of array_change_key_case()
12 */
13
14echo "*** Testing array_change_key_case() : usage variations ***\n";
15
16//get an unset variable
17$unset_var = 10;
18unset ($unset_var);
19
20// get a class
21class classA
22{
23  public function __toString() {
24    return "Class A object";
25  }
26}
27
28// heredoc string
29$heredoc = <<<EOT
30hello world
31EOT;
32
33// get a resource variable
34$fp = fopen(__FILE__, "r");
35
36// unexpected values to be passed to $input argument
37$inputs = array(
38
39       // int data
40/*1*/  0,
41       1,
42       12345,
43       -2345,
44
45       // float data
46/*5*/  10.5,
47       -10.5,
48       12.3456789000e10,
49       12.3456789000E-10,
50       .5,
51
52       // null data
53/*10*/ NULL,
54       null,
55
56       // boolean data
57/*12*/ true,
58       false,
59       TRUE,
60       FALSE,
61
62       // empty data
63/*16*/ "",
64       '',
65       array(),
66
67       // string data
68/*19*/ "string",
69       'string',
70       $heredoc,
71
72       // object data
73/*22*/ new classA(),
74
75       // undefined data
76/*23*/ @$undefined_var,
77
78       // unset data
79/*24*/ @$unset_var,
80
81       // resource variable
82/*25*/ $fp
83);
84
85// loop through each element of $inputs to check the behavior of array_change_key_case()
86$iterator = 1;
87foreach($inputs as $input) {
88  echo "\n-- Iteration $iterator --\n";
89  var_dump( array_change_key_case($input) );
90  $iterator++;
91};
92
93fclose($fp);
94
95echo "Done";
96?>
97
98--EXPECTF--
99*** Testing array_change_key_case() : usage variations ***
100
101-- Iteration 1 --
102
103Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d
104NULL
105
106-- Iteration 2 --
107
108Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d
109NULL
110
111-- Iteration 3 --
112
113Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d
114NULL
115
116-- Iteration 4 --
117
118Warning: array_change_key_case() expects parameter 1 to be array, integer given in %s on line %d
119NULL
120
121-- Iteration 5 --
122
123Warning: array_change_key_case() expects parameter 1 to be array, double given in %s on line %d
124NULL
125
126-- Iteration 6 --
127
128Warning: array_change_key_case() expects parameter 1 to be array, double given in %s on line %d
129NULL
130
131-- Iteration 7 --
132
133Warning: array_change_key_case() expects parameter 1 to be array, double given in %s on line %d
134NULL
135
136-- Iteration 8 --
137
138Warning: array_change_key_case() expects parameter 1 to be array, double given in %s on line %d
139NULL
140
141-- Iteration 9 --
142
143Warning: array_change_key_case() expects parameter 1 to be array, double given in %s on line %d
144NULL
145
146-- Iteration 10 --
147
148Warning: array_change_key_case() expects parameter 1 to be array, null given in %s on line %d
149NULL
150
151-- Iteration 11 --
152
153Warning: array_change_key_case() expects parameter 1 to be array, null given in %s on line %d
154NULL
155
156-- Iteration 12 --
157
158Warning: array_change_key_case() expects parameter 1 to be array, boolean given in %s on line %d
159NULL
160
161-- Iteration 13 --
162
163Warning: array_change_key_case() expects parameter 1 to be array, boolean given in %s on line %d
164NULL
165
166-- Iteration 14 --
167
168Warning: array_change_key_case() expects parameter 1 to be array, boolean given in %s on line %d
169NULL
170
171-- Iteration 15 --
172
173Warning: array_change_key_case() expects parameter 1 to be array, boolean given in %s on line %d
174NULL
175
176-- Iteration 16 --
177
178Warning: array_change_key_case() expects parameter 1 to be array, string given in %s on line %d
179NULL
180
181-- Iteration 17 --
182
183Warning: array_change_key_case() expects parameter 1 to be array, string given in %s on line %d
184NULL
185
186-- Iteration 18 --
187array(0) {
188}
189
190-- Iteration 19 --
191
192Warning: array_change_key_case() expects parameter 1 to be array, string given in %s on line %d
193NULL
194
195-- Iteration 20 --
196
197Warning: array_change_key_case() expects parameter 1 to be array, string given in %s on line %d
198NULL
199
200-- Iteration 21 --
201
202Warning: array_change_key_case() expects parameter 1 to be array, string given in %s on line %d
203NULL
204
205-- Iteration 22 --
206
207Warning: array_change_key_case() expects parameter 1 to be array, object given in %s on line %d
208NULL
209
210-- Iteration 23 --
211
212Warning: array_change_key_case() expects parameter 1 to be array, null given in %s on line %d
213NULL
214
215-- Iteration 24 --
216
217Warning: array_change_key_case() expects parameter 1 to be array, null given in %s on line %d
218NULL
219
220-- Iteration 25 --
221
222Warning: array_change_key_case() expects parameter 1 to be array, resource given in %s on line %d
223NULL
224Done