95 lines
2.8 KiB
PHP
95 lines
2.8 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Serializer
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/** @see Zend_Serializer_Adapter_AdapterAbstract */
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/**
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* @category Zend
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* @package Zend_Serializer
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Serializer_Adapter_Igbinary extends Zend_Serializer_Adapter_AdapterAbstract
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{
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/**
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* @var string Serialized null value
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*/
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private static $_serializedNull = null;
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/**
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* Constructor
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*
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* @param array|Zend_Config $opts
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* @return void
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* @throws Zend_Serializer_Exception If igbinary extension is not present
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*/
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public function __construct($opts = array())
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{
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if (!extension_loaded('igbinary')) {
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throw new Zend_Serializer_Exception('PHP extension "igbinary" is required for this adapter');
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}
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parent::__construct($opts);
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if (self::$_serializedNull === null) {
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self::$_serializedNull = igbinary_serialize(null);
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}
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}
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/**
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* Serialize PHP value to igbinary
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*
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* @param mixed $value
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* @param array $opts
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* @return string
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* @throws Zend_Serializer_Exception on igbinary error
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*/
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public function serialize($value, array $opts = array())
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{
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$ret = igbinary_serialize($value);
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if ($ret === false) {
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$lastErr = error_get_last();
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throw new Zend_Serializer_Exception($lastErr['message']);
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}
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return $ret;
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}
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/**
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* Deserialize igbinary string to PHP value
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*
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* @param string|binary $serialized
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* @param array $opts
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* @return mixed
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* @throws Zend_Serializer_Exception on igbinary error
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*/
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public function unserialize($serialized, array $opts = array())
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{
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$ret = igbinary_unserialize($serialized);
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if ($ret === null && $serialized !== self::$_serializedNull) {
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$lastErr = error_get_last();
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throw new Zend_Serializer_Exception($lastErr['message']);
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}
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return $ret;
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}
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}
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