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1 <?php 1 <?php
2 // +----------------------------------------------------------------------+ 2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 | 3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+ 4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group | 5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+ 6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, | 7 // | This source file is subject to version 3.0 of the PHP license, |
8 // | that is bundled with this package in the file LICENSE, and is | 8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at | 9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. | 10 // | http://www.php.net/license/3_0.txt. |
11 // | If you did not receive a copy of the PHP license and are unable to | 11 // | If you did not receive a copy of the PHP license and are unable to |
12 // | obtain it through the world-wide-web, please send a note to | 12 // | obtain it through the world-wide-web, please send a note to |
13 // | license@php.net so we can mail you a copy immediately. | 13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+ 14 // +----------------------------------------------------------------------+
15 // | Authors: Stephan Schmidt <schst@php.net> | 15 // | Authors: Stephan Schmidt <schst@php.net> |
16 // | Aidan Lister <aidan@php.net> | 16 // | Aidan Lister <aidan@php.net> |
17 // +----------------------------------------------------------------------+ 17 // +----------------------------------------------------------------------+
18 // 18 //
19 // $Id: array_change_key_case.php,v 1.11 2005/12/07 21:08:57 aidan Exp $ 19 // $Id: array_change_key_case.php,v 1.11 2005/12/07 21:08:57 aidan Exp $
20   20  
21   21  
22 if (!defined('CASE_LOWER')) { 22 if (!defined('CASE_LOWER')) {
23 define('CASE_LOWER', 0); 23 define('CASE_LOWER', 0);
24 } 24 }
25   25  
26 if (!defined('CASE_UPPER')) { 26 if (!defined('CASE_UPPER')) {
27 define('CASE_UPPER', 1); 27 define('CASE_UPPER', 1);
28 } 28 }
29   29  
30   30  
31 /** 31 /**
32 * Replace array_change_key_case() 32 * Replace array_change_key_case()
33 * 33 *
34 * @category PHP 34 * @category PHP
35 * @package PHP_Compat 35 * @package PHP_Compat
36 * @link http://php.net/function.array_change_key_case 36 * @link http://php.net/function.array_change_key_case
37 * @author Stephan Schmidt <schst@php.net> 37 * @author Stephan Schmidt <schst@php.net>
38 * @author Aidan Lister <aidan@php.net> 38 * @author Aidan Lister <aidan@php.net>
39 * @version $Revision: 1.11 $ 39 * @version $Revision: 1.11 $
40 * @since PHP 4.2.0 40 * @since PHP 4.2.0
41 * @require PHP 4.0.0 (user_error) 41 * @require PHP 4.0.0 (user_error)
42 */ 42 */
43 if (!function_exists('array_change_key_case')) { 43 if (!function_exists('array_change_key_case')) {
44 function array_change_key_case($input, $case = CASE_LOWER) 44 function array_change_key_case($input, $case = CASE_LOWER)
45 { 45 {
46 if (!is_array($input)) { 46 if (!is_array($input)) {
47 user_error('array_change_key_case(): The argument should be an array', 47 user_error('array_change_key_case(): The argument should be an array',
48 E_USER_WARNING); 48 E_USER_WARNING);
49 return false; 49 return false;
50 } 50 }
51   51  
52 $output = array (); 52 $output = array ();
53 $keys = array_keys($input); 53 $keys = array_keys($input);
54 $casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper'; 54 $casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper';
55   55  
56 foreach ($keys as $key) { 56 foreach ($keys as $key) {
57 $output[$casefunc($key)] = $input[$key]; 57 $output[$casefunc($key)] = $input[$key];
58 } 58 }
59   59  
60 return $output; 60 return $output;
61 } 61 }
62 } 62 }
63   63  
64 ?> 64 ?>
65 65