1--TEST--
2Test array_multisort() function : natural sorting
3--FILE--
4<?php
5echo "*** Testing array_multisort() : natural sorting\n";
6
7$a = array(
8    'Second',
9    'First',
10    'Twentieth',
11    'Tenth',
12    'Third',
13);
14
15$b = array(
16    '2 a',
17    '1 b',
18    '20 c',
19    '10 d',
20    '3 e',
21);
22
23array_multisort($b, SORT_NATURAL, $a);
24
25var_dump($a, $b);
26
27?>
28--EXPECT--
29*** Testing array_multisort() : natural sorting
30array(5) {
31  [0]=>
32  string(5) "First"
33  [1]=>
34  string(6) "Second"
35  [2]=>
36  string(5) "Third"
37  [3]=>
38  string(5) "Tenth"
39  [4]=>
40  string(9) "Twentieth"
41}
42array(5) {
43  [0]=>
44  string(3) "1 b"
45  [1]=>
46  string(3) "2 a"
47  [2]=>
48  string(3) "3 e"
49  [3]=>
50  string(4) "10 d"
51  [4]=>
52  string(4) "20 c"
53}
54