<?php<liu21st@gmail.com>
namespace think\session\driver;
use SessionHandler;
use think\Exception;
class Redis extends SessionHandler
{
protected $handler = null;
protected $config = [
'host' => '127.0.0.1', 'port' => 6379, 'password' => '', 'select' => 0, 'expire' => 3600, 'timeout' => 0, 'persistent' => true, 'session_name' => '', ];
public function __construct($config = [])
{
$this->config = array_merge($this->config, $config);
}
public function open($savePath, $sessName)
{
if (!extension_loaded('redis')) {
throw new Exception('not support:redis');
}
$this->handler = new \Redis;
$func = $this->config['persistent'] ? 'pconnect' : 'connect';
$this->handler->$func($this->config['host'], $this->config['port'], $this->config['timeout']);
if ('' != $this->config['password']) {
$this->handler->auth($this->config['password']);
}
if (0 != $this->config['select']) {
$this->handler->select($this->config['select']);
}
return true;
}
public function close()
{
$this->gc(ini_get('session.gc_maxlifetime'));
$this->handler->close();
$this->handler = null;
return true;
}
public function read($sessID)
{
return (string) $this->handler->get($this->config['session_name'] . $sessID);
}
public function write($sessID, $sessData)
{
if ($this->config['expire'] > 0) {
return $this->handler->setex($this->config['session_name'] . $sessID, $this->config['expire'], $sessData);
} else {
return $this->handler->set($this->config['session_name'] . $sessID, $sessData);
}
}
public function destroy($sessID)
{
return $this->handler->delete($this->config['session_name'] . $sessID) > 0;
}
public function gc($sessMaxLifeTime)
{
return true;
}
}