1--TEST--
2Test array_map() function : usage variations - associative array with different keys
3--FILE--
4<?php
5/* Prototype  : array array_map  ( callback $callback  , array $arr1  [, array $...  ] )
6 * Description: Applies the callback to the elements of the given arrays
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Test array_map() by passing associative array with different keys for $arr1 argument
12 */
13
14echo "*** Testing array_map() : associative array with diff. keys for 'arr1' argument ***\n";
15
16function callback($a)
17{
18  return ($a);
19}
20
21// get an unset variable
22$unset_var = 10;
23unset ($unset_var);
24
25// get a resource variable
26$fp = fopen(__FILE__, "r");
27
28// get a class
29class classA{
30  public function __toString(){
31    return "Class A object";
32  }
33}
34
35// get a heredoc string
36$heredoc = <<<EOT
37Hello world
38EOT;
39
40// initializing the array
41$arrays = array (
42
43       // empty array
44/*1*/  array(),
45
46       // arrays with integer keys
47/*2*/  array(0 => "0"),
48       array(1 => "1"),
49       array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
50
51       // arrays with float keys
52/*5*/  array(2.3333 => "float"),
53       array(1.2 => "f1", 3.33 => "f2", 4.89999922839999 => "f3", 33333333.333333 => "f4"),
54
55       // arrays with string keys
56       array('\tHello' => 111, 're\td' => 'color', '\v\fworld' => 2.2, 'pen\n' => 33),
57/*8*/  array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 33),
58       array("hello", $heredoc => "string"), // heredoc
59
60       // array with object, unset variable and resource variable
61       array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
62
63       // array with mixed values
64/*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
65              $fp => 'resource', 133 => "int", 444.432 => "float",
66              @$unset_var => "unset", $heredoc => "heredoc")
67);
68
69// loop through the various elements of $arrays to test array_map()
70$iterator = 1;
71foreach($arrays as $arr1) {
72  echo "-- Iteration $iterator --\n";
73  var_dump( array_map('callback', $arr1) );
74  $iterator++;
75}
76
77echo "Done";
78?>
79--EXPECTF--
80*** Testing array_map() : associative array with diff. keys for 'arr1' argument ***
81
82Warning: Illegal offset type in %s on line %d%d
83
84Warning: Illegal offset type in %s on line %d%d
85
86Warning: Illegal offset type in %s on line %d%d
87
88Warning: Illegal offset type in %s on line %d%d
89-- Iteration 1 --
90array(0) {
91}
92-- Iteration 2 --
93array(1) {
94  [0]=>
95  string(1) "0"
96}
97-- Iteration 3 --
98array(1) {
99  [1]=>
100  string(1) "1"
101}
102-- Iteration 4 --
103array(4) {
104  [1]=>
105  string(1) "1"
106  [2]=>
107  string(1) "2"
108  [3]=>
109  string(1) "3"
110  [4]=>
111  string(1) "4"
112}
113-- Iteration 5 --
114array(1) {
115  [2]=>
116  string(5) "float"
117}
118-- Iteration 6 --
119array(4) {
120  [1]=>
121  string(2) "f1"
122  [3]=>
123  string(2) "f2"
124  [4]=>
125  string(2) "f3"
126  [33333333]=>
127  string(2) "f4"
128}
129-- Iteration 7 --
130array(4) {
131  ["\tHello"]=>
132  int(111)
133  ["re\td"]=>
134  string(5) "color"
135  ["\v\fworld"]=>
136  float(2.2)
137  ["pen\n"]=>
138  int(33)
139}
140-- Iteration 8 --
141array(4) {
142  ["	Hello"]=>
143  int(111)
144  ["re	d"]=>
145  string(5) "color"
146  ["world"]=>
147  float(2.2)
148  ["pen
149"]=>
150  int(33)
151}
152-- Iteration 9 --
153array(2) {
154  [0]=>
155  string(5) "hello"
156  ["Hello world"]=>
157  string(6) "string"
158}
159-- Iteration 10 --
160array(1) {
161  [""]=>
162  string(5) "hello"
163}
164-- Iteration 11 --
165array(6) {
166  ["hello"]=>
167  int(1)
168  ["fruit"]=>
169  float(2.2)
170  [133]=>
171  string(3) "int"
172  [444]=>
173  string(5) "float"
174  [""]=>
175  string(5) "unset"
176  ["Hello world"]=>
177  string(7) "heredoc"
178}
179Done
180