1--TEST--
2Test array_merge() function : usage variations - position of internal array pointer
3--FILE--
4<?php
5/* Prototype  : array array_merge(array $arr1, array $arr2 [, array $...])
6 * Description: Merges elements from passed arrays into one array
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Check the position of the internal array pointer after calling array_merge().
12 * This test is also passing more than two arguments to array_merge().
13 */
14
15echo "*** Testing array_merge() : usage variations ***\n";
16
17$arr1 = array ('zero', 'one', 'two');
18$arr2 = array ('zero', 'un', 'deux');
19$arr3 = array ('null', 'eins', 'zwei');
20
21echo "\n-- Call array_merge() --\n";
22var_dump($result = array_merge($arr1, $arr2, $arr3));
23
24echo "\n-- Position of Internal Pointer in Result: --\n";
25echo key($result) . " => " . current($result) . "\n";
26
27echo "\n-- Position of Internal Pointer in Original Array: --\n";
28echo "\$arr1: ";
29echo key($arr1) . " => " . current ($arr1) . "\n";
30echo "\$arr2: ";
31echo key($arr2) . " => " . current ($arr2) . "\n";
32echo "\$arr3: ";
33echo key($arr3) . " => " . current ($arr3) . "\n";
34
35echo "Done";
36?>
37--EXPECTF--
38*** Testing array_merge() : usage variations ***
39
40-- Call array_merge() --
41array(9) {
42  [0]=>
43  string(4) "zero"
44  [1]=>
45  string(3) "one"
46  [2]=>
47  string(3) "two"
48  [3]=>
49  string(4) "zero"
50  [4]=>
51  string(2) "un"
52  [5]=>
53  string(4) "deux"
54  [6]=>
55  string(4) "null"
56  [7]=>
57  string(4) "eins"
58  [8]=>
59  string(4) "zwei"
60}
61
62-- Position of Internal Pointer in Result: --
630 => zero
64
65-- Position of Internal Pointer in Original Array: --
66$arr1: 0 => zero
67$arr2: 0 => zero
68$arr3: 0 => null
69Done
70