Wddx.php
3.53 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Serializer
* @subpackage Adapter
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Wddx.php 23775 2011-03-01 17:25:24Z ralph $
*/
/** @see Zend_Serializer_Adapter_AdapterAbstract */
require_once 'Zend/Serializer/Adapter/AdapterAbstract.php';
/**
* @link http://www.infoloom.com/gcaconfs/WEB/chicago98/simeonov.HTM
* @link http://en.wikipedia.org/wiki/WDDX
* @category Zend
* @package Zend_Serializer
* @subpackage Adapter
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Serializer_Adapter_Wddx extends Zend_Serializer_Adapter_AdapterAbstract
{
/**
* @var array Default options
*/
protected $_options = array(
'comment' => null,
);
/**
* Constructor
*
* @param array $opts
* @return void
* @throws Zend_Serializer_Exception if wddx extension not found
*/
public function __construct($opts = array())
{
if (!extension_loaded('wddx')) {
require_once 'Zend/Serializer/Exception.php';
throw new Zend_Serializer_Exception('PHP extension "wddx" is required for this adapter');
}
parent::__construct($opts);
}
/**
* Serialize PHP to WDDX
*
* @param mixed $value
* @param array $opts
* @return string
* @throws Zend_Serializer_Exception on wddx error
*/
public function serialize($value, array $opts = array())
{
$opts = $opts + $this->_options;
if (isset($opts['comment']) && $opts['comment']) {
$wddx = wddx_serialize_value($value, (string)$opts['comment']);
} else {
$wddx = wddx_serialize_value($value);
}
if ($wddx === false) {
$lastErr = error_get_last();
require_once 'Zend/Serializer/Exception.php';
throw new Zend_Serializer_Exception($lastErr['message']);
}
return $wddx;
}
/**
* Unserialize from WDDX to PHP
*
* @param string $wddx
* @param array $opts
* @return mixed
* @throws Zend_Serializer_Exception on wddx error
*/
public function unserialize($wddx, array $opts = array())
{
$ret = wddx_deserialize($wddx);
if ($ret === null) {
// check if the returned NULL is valid
// or based on an invalid wddx string
try {
$simpleXml = new SimpleXMLElement($wddx);
if (isset($simpleXml->data[0]->null[0])) {
return null; // valid null
}
$errMsg = 'Can\'t unserialize wddx string';
} catch (Exception $e) {
$errMsg = $e->getMessage();
}
require_once 'Zend/Serializer/Exception.php';
throw new Zend_Serializer_Exception($errMsg);
}
return $ret;
}
}