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