56 lines
2.2 KiB
PHP
56 lines
2.2 KiB
PHP
|
<?php
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | PHP Version 4 |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
||
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
||
|
|
// | available at through the world-wide-web at |
|
||
|
|
// | http://www.php.net/license/3_0.txt. |
|
||
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
||
|
|
// | obtain it through the world-wide-web, please send a note to |
|
||
|
|
// | license@php.net so we can mail you a copy immediately. |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
// | Authors: Aidan Lister <aidan@php.net> |
|
||
|
|
// +----------------------------------------------------------------------+
|
||
|
|
//
|
||
|
|
// $Id: clone.php,v 1.1 2005/07/23 05:56:02 Tony Exp $
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Replace clone()
|
||
|
|
*
|
||
|
|
* @category PHP
|
||
|
|
* @package PHP_Compat
|
||
|
|
* @link http://php.net/language.oop5.cloning
|
||
|
|
* @author Aidan Lister <aidan@php.net>
|
||
|
|
* @version $Revision: 1.1 $
|
||
|
|
* @since PHP 5.0.0
|
||
|
|
* @require PHP 4.0.0 (user_error)
|
||
|
|
*/
|
||
|
|
if (version_compare(phpversion(), '5.0') === -1) {
|
||
|
|
// Needs to be wrapped in eval as clone is a keyword in PHP5
|
||
|
|
eval('
|
||
|
|
function clone($object)
|
||
|
|
{
|
||
|
|
// Sanity check
|
||
|
|
if (!is_object($object)) {
|
||
|
|
user_error(\'clone() __clone method called on non-object\', E_USER_WARNING);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Use serialize/unserialize trick to deep copy the object
|
||
|
|
$object = unserialize(serialize($object));
|
||
|
|
|
||
|
|
// If there is a __clone method call it on the "new" class
|
||
|
|
if (method_exists($object, \'__clone\')) {
|
||
|
|
$object->__clone();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $object;
|
||
|
|
}
|
||
|
|
');
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|