| 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: Aidan Lister <aidan@php.net> | |
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| 16 | // +----------------------------------------------------------------------+ |
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| 17 | // |
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| 18 | // $Id: array_key_exists.php,v 1.1 2005/07/11 16:34:35 ggiunta Exp $ |
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| 19 | |
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| 20 | |
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| 21 | /** |
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| 22 | * Replace array_key_exists() |
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| 23 | * |
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| 24 | * @category PHP |
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| 25 | * @package PHP_Compat |
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| 26 | * @link http://php.net/function.array_key_exists |
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| 27 | * @author Aidan Lister <aidan@php.net> |
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| 28 | * @version $Revision: 1.1 $ |
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| 29 | * @since PHP 4.1.0 |
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| 30 | * @require PHP 4.0.0 (user_error) |
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| 31 | */ |
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| 32 | if (!function_exists('array_key_exists')) { |
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| 33 | function array_key_exists($key, $search) |
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| 34 | { |
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| 35 | if (!is_scalar($key)) { |
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| 36 | user_error('array_key_exists() The first argument should be either a string or an integer', |
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| 37 | E_USER_WARNING); |
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| 38 | return false; |
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| 39 | } |
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| 40 | |
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| 41 | if (is_object($search)) { |
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| 42 | $search = get_object_vars($search); |
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| 43 | } |
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| 44 | |
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| 45 | if (!is_array($search)) { |
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| 46 | user_error('array_key_exists() The second argument should be either an array or an object', |
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| 47 | E_USER_WARNING); |
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| 48 | return false; |
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| 49 | } |
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| 50 | |
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| 51 | return in_array($key, array_keys($search)); |
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| 52 | } |
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| 53 | } |
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| 54 | |
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| 55 | ?> |
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