PHP Manual
SessionHandlerInterface
Initialize session

SessionHandlerInterface::open

(PHP 5 >= 5.4.0, PHP 7)

SessionHandlerInterface::open — Initialize session

说明

abstract public SessionHandlerInterface::open ( string $save_path , string $session_name ) : bool

Re-initialize existing session, or creates a new one. Called when a session starts or when session_start() is invoked.

参数

save_path: The path where to store/retrieve the session.
session_name: The session name.

返回值

会话存储的返回值（通常成功返回 0，失败返回 1）。

参见

session_name() - 读取/设置会话名称
The session.auto-start configuration directive.

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