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72 lines
2 KiB
PHP
72 lines
2 KiB
PHP
<?php
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/**
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Model.Datasource
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* @since CakePHP(tm) v 2.1
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Interface for Session handlers. Custom session handler classes should implement
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* this interface as it allows CakeSession know how to map methods to session_set_save_handler()
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*
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* @package Cake.Model.Datasource.Session
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*/
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interface CakeSessionHandlerInterface {
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/**
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* Method called on open of a session.
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*
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* @return boolean Success
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*/
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public function open();
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/**
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* Method called on close of a session.
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*
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* @return boolean Success
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*/
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public function close();
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/**
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* Method used to read from a session.
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*
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* @param mixed $id The key of the value to read
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* @return mixed The value of the key or false if it does not exist
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*/
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public function read($id);
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/**
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* Helper function called on write for sessions.
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*
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* @param integer $id ID that uniquely identifies session in database
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* @param mixed $data The value of the data to be saved.
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* @return boolean True for successful write, false otherwise.
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*/
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public function write($id, $data);
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/**
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* Method called on the destruction of a session.
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*
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* @param integer $id ID that uniquely identifies session in database
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* @return boolean True for successful delete, false otherwise.
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*/
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public function destroy($id);
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/**
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* Run the Garbage collection on the session storage. This method should vacuum all
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* expired or dead sessions.
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*
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* @param integer $expires Timestamp (defaults to current time)
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* @return boolean Success
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*/
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public function gc($expires = null);
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}
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