(PHP 5 >= 5.4.0, PHP 7, PHP 8)
SessionHandlerInterface::open — Initialize session
Re-initialize existing session, or creates a new one. Called when a session starts or when session_start() is invoked.
path
The path where to store/retrieve the session.
name
The session name.
会话存储的返回值(通常成功返回 0,失败返回 1)。