/ext/php_xmlrpc/compat/array_key_exists.php

 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 2 2009-03-16 20:22:51Z ggiunta $
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: 1.1 $
29 * @since       PHP 4.1.0
30 * @require     PHP 4.0.0 (user_error)
31 */
32if (!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?>