| 1 |
lars |
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 |
|
|
|
55 |
?>
|