Rev Author Line No. Line
130 kaklik 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: is_a.php,v 1.16 2005/01/26 04:55:13 aidan Exp $
19  
20  
21 /**
22 * Replace function is_a()
23 *
24 * @category PHP
25 * @package PHP_Compat
26 * @link http://php.net/function.is_a
27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.16 $
29 * @since PHP 4.2.0
30 * @require PHP 4.0.0 (user_error) (is_subclass_of)
31 */
32 if (!function_exists('is_a')) {
33 function is_a($object, $class)
34 {
35 if (!is_object($object)) {
36 return false;
37 }
38  
39 if (get_class($object) == strtolower($class)) {
40 return true;
41 } else {
42 return is_subclass_of($object, $class);
43 }
44 }
45 }
46  
47 ?>