# SessionHandlerInterface::open

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

SessionHandlerInterface::open — Initialize session

### 说明

public SessionHandlerInterface::open(string `$path`, string `$name`): bool

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

### 参数

`path`

  The path where to store/retrieve the 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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