1--TEST--
2Test array_merge() function : usage variations - multi-dimensional arrays
3--FILE--
4<?php
5/* Prototype  : array array_merge(array $arr1, array $arr2 [, array $...])
6 * Description: Merges elements from passed arrays into one array
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Test array_merge() with multi-dimensional arrays
12 */
13
14echo "*** Testing array_merge() : usage variations ***\n";
15
16$arr1 = array('zero', 'one', 'two', array(0));
17$arr2 = array(1, 2, 3);
18
19echo "\n-- Merge a two-dimensional and a one-dimensional array --\n";
20var_dump(array_merge($arr1, $arr2));
21
22echo "\n-- Merge an array and a sub-array --\n";
23var_dump(array_merge($arr1[3], $arr2));
24var_dump(array_merge($arr2, $arr1[3]));
25
26echo "Done";
27?>
28--EXPECT--
29*** Testing array_merge() : usage variations ***
30
31-- Merge a two-dimensional and a one-dimensional array --
32array(7) {
33  [0]=>
34  string(4) "zero"
35  [1]=>
36  string(3) "one"
37  [2]=>
38  string(3) "two"
39  [3]=>
40  array(1) {
41    [0]=>
42    int(0)
43  }
44  [4]=>
45  int(1)
46  [5]=>
47  int(2)
48  [6]=>
49  int(3)
50}
51
52-- Merge an array and a sub-array --
53array(4) {
54  [0]=>
55  int(0)
56  [1]=>
57  int(1)
58  [2]=>
59  int(2)
60  [3]=>
61  int(3)
62}
63array(4) {
64  [0]=>
65  int(1)
66  [1]=>
67  int(2)
68  [2]=>
69  int(3)
70  [3]=>
71  int(0)
72}
73Done
74