55 lines
2.1 KiB
PHP
55 lines
2.1 KiB
PHP
<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: array_key_exists.php,v 1.1 2005/07/11 16:34:35 ggiunta Exp $
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/**
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* Replace array_key_exists()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.array_key_exists
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.1 $
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* @since PHP 4.1.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('array_key_exists')) {
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function array_key_exists($key, $search)
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{
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if (!is_scalar($key)) {
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user_error('array_key_exists() The first argument should be either a string or an integer',
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E_USER_WARNING);
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return false;
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}
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if (is_object($search)) {
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$search = get_object_vars($search);
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}
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if (!is_array($search)) {
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user_error('array_key_exists() The second argument should be either an array or an object',
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E_USER_WARNING);
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return false;
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}
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return in_array($key, array_keys($search));
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}
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}
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?>
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