protected static function _unserialize(&$data, $mode, $params = null)
{
switch ($mode) {
case self::NONE:
break;
case self::RAW:
$data = rawurldecode($data);
break;
case self::URL:
$data = urldecode($data);
break;
case self::WDDX:
$data = wddx_deserialize($data);
break;
case self::BZIP:
// $params['small'] = Use bzip2 'small memory' mode?
$data = bzdecompress($data, isset($params['small']) ? $params['small'] : false);
break;
case self::IMAP8:
$data = quoted_printable_decode($data);
break;
case self::IMAPUTF7:
$data = Horde_String::convertCharset(Horde_Imap_Client_Utf7imap::Utf7ImapToUtf8($data), 'UTF-8', 'ISO-8859-1');
break;
case self::IMAPUTF8:
$data = Horde_Mime::encode($data);
break;
case self::BASIC:
$data2 = @unserialize($data);
// Unserialize can return false both on error and if $data is the
// false value.
if ($data2 === false && $data == serialize(false)) {
return $data2;
}
$data = $data2;
break;
case self::GZ_DEFLATE:
$data = gzinflate($data);
break;
case self::BASE64:
$data = base64_decode($data);
break;
case self::GZ_COMPRESS:
$data = gzuncompress($data);
break;
// $params = Output character set
// $params = Output character set
case self::UTF7:
$data = Horde_String::convertCharset($data, 'utf-7', $params);
break;
// $params = Output character set
// $params = Output character set
case self::UTF7_BASIC:
$data = self::unserialize($data, array(self::BASIC, self::UTF7), $params);
break;
case self::JSON:
$out = json_decode($data);
if (!is_null($out) || strcasecmp($data, 'null') === 0) {
return $out;
}
break;
case self::LZF:
$data = @lzf_decompress($data);
break;
}
if ($data === false) {
throw new Horde_Serialize_Exception('Unserialization failed.');
}
return $data;
}
