1--TEST--
2Test natcasesort() function : usage variations - referenced variables
3--FILE--
4<?php
5/* Prototype  : bool natcasesort(array &$array_arg)
6 * Description: Sort an array using case-insensitive natural sort
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass an array of referenced varaibles to test how natcasesort() re-orders it
12 */
13
14echo "*** Testing natcasesort() : usage variation ***\n";
15
16$value1 = 100;
17$value2 = 33;
18$value3 = 555;
19
20echo "\n-- Initial test --\n";
21$array =  array( &$value1 , &$value2, &$value3);
22var_dump( natcasesort($array) );
23var_dump($array);
24
25echo "\n-- Change \$value1 --\n";
26$value1 = -29;
27var_dump( natcasesort($array) );
28var_dump($array);
29
30echo "Done";
31?>
32--EXPECTF--
33*** Testing natcasesort() : usage variation ***
34
35-- Initial test --
36bool(true)
37array(3) {
38  [1]=>
39  &int(33)
40  [0]=>
41  &int(100)
42  [2]=>
43  &int(555)
44}
45
46-- Change $value1 --
47bool(true)
48array(3) {
49  [0]=>
50  &int(-29)
51  [1]=>
52  &int(33)
53  [2]=>
54  &int(555)
55}
56Done
57