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<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Stephan Schmidt <schst@php.net> |
// | Aidan Lister <aidan@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: array_change_key_case.php,v 1.11 2005/12/07 21:08:57 aidan Exp $
if (!defined('CASE_LOWER')) {
define('CASE_LOWER', 0);
}
if (!defined('CASE_UPPER')) {
define('CASE_UPPER', 1);
}
/**
* Replace array_change_key_case()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.array_change_key_case
* @author Stephan Schmidt <schst@php.net>
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.11 $
* @since PHP 4.2.0
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('array_change_key_case')) {
function array_change_key_case($input, $case = CASE_LOWER)
{
if (!is_array($input)) {
user_error('array_change_key_case(): The argument should be an array',
E_USER_WARNING);
return false;
}
$output = array ();
$keys = array_keys($input);
$casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper';
foreach ($keys as $key) {
$output[$casefunc($key)] = $input[$key];
}
return $output;
}
}
?>
|