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66 lines
2.0 KiB
PHP
66 lines
2.0 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_Http
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* @subpackage UserAgent
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* @copyright Copyright (c) 2005-2014 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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/**
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* @category Zend
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* @package Zend_Http
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* @subpackage UserAgent
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* @copyright Copyright (c) 2005-2014 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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interface Zend_Http_UserAgent_Storage
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{
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/**
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* Returns true if and only if storage is empty
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*
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* @throws Zend_Http_UserAgent_Storage_Exception If it is impossible to determine whether storage is empty
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* @return boolean
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*/
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public function isEmpty();
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/**
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* Returns the contents of storage associated to the key parameter
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*
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* Behavior is undefined when storage is empty.
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*
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* @throws Zend_Http_UserAgent_Storage_Exception If reading contents from storage is impossible
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* @return mixed
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*/
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public function read();
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/**
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* Writes $contents associated to the key parameter to storage
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*
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* @param mixed $contents
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* @throws Zend_Http_UserAgent_Storage_Exception If writing $contents to storage is impossible
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* @return void
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*/
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public function write($contents);
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/**
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* Clears contents from storage
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*
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* @throws Zend_Http_UserAgent_Storage_Exception If clearing contents from storage is impossible
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* @return void
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*/
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public function clear();
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}
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