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139 root 1 <?php
2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+
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 |
9 // | available at through the world-wide-web at |
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 |
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. |
14 // +----------------------------------------------------------------------+
15 // | Authors: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+
17 //
18 // $Id: array_key_exists.php,v 1.7 2005/01/26 04:55:13 aidan Exp $
19  
20  
21 /**
22 * Replace array_key_exists()
23 *
24 * @category PHP
25 * @package PHP_Compat
26 * @link http://php.net/function.array_key_exists
27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.7 $
29 * @since PHP 4.1.0
30 * @require PHP 4.0.0 (user_error)
31 */
32 if (!function_exists('array_key_exists')) {
33 function array_key_exists($key, $search)
34 {
35 if (!is_scalar($key)) {
36 user_error('array_key_exists() The first argument should be either a string or an integer',
37 E_USER_WARNING);
38 return false;
39 }
40  
41 if (is_object($search)) {
42 $search = get_object_vars($search);
43 }
44  
45 if (!is_array($search)) {
46 user_error('array_key_exists() The second argument should be either an array or an object',
47 E_USER_WARNING);
48 return false;
49 }
50  
51 return in_array($key, array_keys($search));
52 }
53 }
54  
130 kaklik 55 ?>