1--TEST--
2Test array_map() function : usage variations - array having subarrays
3--FILE--
4<?php
5/* Prototype  : array array_map  ( callback $callback  , array $arr1  [, array $...  ] )
6 * Description: Applies the callback to the elements of the given arrays
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Test array_map() by passing array having different subarrays
12 */
13
14echo "*** Testing array_map() : array having subarrays ***\n";
15
16function callback($a)
17{
18  return $a;
19}
20
21// different subarrays
22$arr1 = array(
23  array(),
24  array(1, 2),
25  array('a', 'b'),
26  array(1, 2, 'a', 'b'),
27  array(1 => 'a', 'b' => 2)
28);
29
30var_dump( array_map('callback', $arr1));
31echo "Done";
32?>
33--EXPECT--
34*** Testing array_map() : array having subarrays ***
35array(5) {
36  [0]=>
37  array(0) {
38  }
39  [1]=>
40  array(2) {
41    [0]=>
42    int(1)
43    [1]=>
44    int(2)
45  }
46  [2]=>
47  array(2) {
48    [0]=>
49    string(1) "a"
50    [1]=>
51    string(1) "b"
52  }
53  [3]=>
54  array(4) {
55    [0]=>
56    int(1)
57    [1]=>
58    int(2)
59    [2]=>
60    string(1) "a"
61    [3]=>
62    string(1) "b"
63  }
64  [4]=>
65  array(2) {
66    [1]=>
67    string(1) "a"
68    ["b"]=>
69    int(2)
70  }
71}
72Done
73