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