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1 <?php 1 <?php
2 // +----------------------------------------------------------------------+ 2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 | 3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+ 4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group | 5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+ 6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, | 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 | 8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at | 9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. | 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 | 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 | 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. | 13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+ 14 // +----------------------------------------------------------------------+
15 // | Authors: Aidan Lister <aidan@php.net> | 15 // | Authors: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+ 16 // +----------------------------------------------------------------------+
17 // 17 //
18 // $Id: clone.php,v 1.3 2005/05/01 10:40:59 aidan Exp $ 18 // $Id: clone.php,v 1.3 2005/05/01 10:40:59 aidan Exp $
19   19  
20   20  
21 /** 21 /**
22 * Replace clone() 22 * Replace clone()
23 * 23 *
24 * @category PHP 24 * @category PHP
25 * @package PHP_Compat 25 * @package PHP_Compat
26 * @link http://php.net/language.oop5.cloning 26 * @link http://php.net/language.oop5.cloning
27 * @author Aidan Lister <aidan@php.net> 27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.3 $ 28 * @version $Revision: 1.3 $
29 * @since PHP 5.0.0 29 * @since PHP 5.0.0
30 * @require PHP 4.0.0 (user_error) 30 * @require PHP 4.0.0 (user_error)
31 */ 31 */
32 if (version_compare(phpversion(), '5.0') === -1) { 32 if (version_compare(phpversion(), '5.0') === -1) {
33 // Needs to be wrapped in eval as clone is a keyword in PHP5 33 // Needs to be wrapped in eval as clone is a keyword in PHP5
34 eval(' 34 eval('
35 function clone($object) 35 function clone($object)
36 { 36 {
37 // Sanity check 37 // Sanity check
38 if (!is_object($object)) { 38 if (!is_object($object)) {
39 user_error(\'clone() __clone method called on non-object\', E_USER_WARNING); 39 user_error(\'clone() __clone method called on non-object\', E_USER_WARNING);
40 return; 40 return;
41 } 41 }
42 42
43 // Use serialize/unserialize trick to deep copy the object 43 // Use serialize/unserialize trick to deep copy the object
44 $object = unserialize(serialize($object)); 44 $object = unserialize(serialize($object));
45   45  
46 // If there is a __clone method call it on the "new" class 46 // If there is a __clone method call it on the "new" class
47 if (method_exists($object, \'__clone\')) { 47 if (method_exists($object, \'__clone\')) {
48 $object->__clone(); 48 $object->__clone();
49 } 49 }
50 50
51 return $object; 51 return $object;
52 } 52 }
53 '); 53 ');
54 } 54 }
55   55  
56 ?> 56 ?>
57 57