保存Session数据
void Module_Session_Driver_Cache::write_close( )
void
public function write_close()
{
if ( md5(serialize($_SESSION)) != Session_Driver_Cache::$OLD_SESSION_MD5 )
{
if (!$_SESSION || $_SESSION===array())
{
# 清除session数据
$this->driver()->delete($this->session_id());
}
else
{
# 如果确实修改则保存
$this->driver()->set($this->session_id(), $_SESSION , Session::$config['expiration']>0?Session::$config['expiration']:2592000);
}
}
}