$handler
$handler : \Psr\SimpleCache\CacheInterface
$handler : \Psr\SimpleCache\CacheInterface
$expire : int
$prefix : string
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\session\driver;
use Psr\SimpleCache\CacheInterface;
use think\contract\SessionHandlerInterface;
use think\helper\Arr;
class Cache implements SessionHandlerInterface
{
/** @var CacheInterface */
protected $handler;
/** @var integer */
protected $expire;
/** @var string */
protected $prefix;
public function __construct(\think\Cache $cache, array $config = [])
{
$this->handler = $cache->store(Arr::get($config, 'store'));
$this->expire = Arr::get($config, 'expire', 1440);
$this->prefix = Arr::get($config, 'prefix', '');
}
public function read(string $sessionId): string
{
return (string) $this->handler->get($this->prefix . $sessionId);
}
public function delete(string $sessionId): bool
{
return $this->handler->delete($this->prefix . $sessionId);
}
public function write(string $sessionId, string $data): bool
{
return $this->handler->set($this->prefix . $sessionId, $data, $this->expire);
}
}