<?php
/**
* elFinder - file manager for web.
* Session Wrapper Interface.
*
* @package elfinder
* @author Naoki Sawada
**/
interface elFinderSessionInterface
{
/**
* Session start
*
* @return self
**/
public function start();
/**
* Session write & close
*
* @return self
**/
public function close();
/**
* Get session data
* This method must be equipped with an automatic start / close.
*
* @param string $key Target key
* @param mixed $empty Return value of if session target key does not exist
*
* @return mixed
**/
public function get($key, $empty = '');
/**
* Set session data
* This method must be equipped with an automatic start / close.
*
* @param string $key Target key
* @param mixed $data Value
*
* @return self
**/
public function set($key, $data);
/**
* Get session data
*
* @param string $key Target key
*
* @return self
**/
public function remove($key);
}