消息：CI_Session_files_driver::open($save_path, $name) 的返回类型应该与

Question

安装新的 xampp 版本（php8）后出现此错误。并克隆我的 codeigniter 项目。

Message: Return type of CI_Session_files_driver::open($save_path, $name)
should either be compatible with SessionHandlerInterface::open(string $path, string $name):
bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

文件名：drivers/Session_files_driver.php

线路号码：132

Answer 1

对于遇到此错误的其他人，我在升级到 PHP 8.1 后也遇到过此错误。我能找到“修复”它的唯一方法是在、、、和函数#[\ReturnTypeWillChange]之前添加. 例如：openreadwriteclosedestroygc/system/libraries/Session/drivers/Session_files_driver.php

#[\ReturnTypeWillChange]
public function open($save_path, $name)
{
...

Answer 2

重新安装 XAMPP 服务器后，我遇到了此错误。我通过添加解决了这个问题

#[\ReturnTypeWillChange]

对于 中的所有方法( open, read, write, close, destroy and gc) Session_files_driver.php file该文件可以在项目文件夹中找到system/libaries/Session/drivers/Session_files_driver.php

#[\ReturnTypeWillChange]
public function open($save_path, $name)
{
   ...
}

#[\ReturnTypeWillChange]
public function read($session_id)
{
  ...
}

#[\ReturnTypeWillChange]
public function write($session_id, $session_data)
{
  ...
}

#[\ReturnTypeWillChange]
public function close()
{
  ...
}

#[\ReturnTypeWillChange]
public function destroy($session_id)
{
  ...
}

#[\ReturnTypeWillChange]
public function gc($maxlifetime)
{
  ...
}