| 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 |
?> |