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File: Interface.php
<?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_Auth * @subpackage Zend_Auth_Storage * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Interface.php 8862 2008-03-16 15:36:00Z thomas $ */ /** * @category Zend * @package Zend_Auth * @subpackage Zend_Auth_Storage * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ interface Zend_Auth_Storage_Interface { /** * Returns true if and only if storage is empty * * @throws Zend_Auth_Storage_Exception If it is impossible to determine whether storage is empty * @return boolean */ public function isEmpty(); /** * Returns the contents of storage * * Behavior is undefined when storage is empty. * * @throws Zend_Auth_Storage_Exception If reading contents from storage is impossible * @return mixed */ public function read(); /** * Writes $contents to storage * * @param mixed $contents * @throws Zend_Auth_Storage_Exception If writing $contents to storage is impossible * @return void */ public function write($contents); /** * Clears contents from storage * * @throws Zend_Auth_Storage_Exception If clearing contents from storage is impossible * @return void */ public function clear(); }