會話的支持在 PHP 默認為激活 PHP 的 Windows 版本已內建對此擴展的支持。不需要載入額外的擴展來使用這些函數 * [預定義常量](https://www.php.net/manual/zh/session.constants.php) * [范例](https://www.php.net/manual/zh/session.examples.php) * [基本用法](https://www.php.net/manual/zh/session.examples.basic.php) * [傳送會話ID](https://www.php.net/manual/zh/session.idpassing.php) * [自定義會話管理器](https://www.php.net/manual/zh/session.customhandler.php) * [Session 上傳進度](https://www.php.net/manual/zh/session.upload-progress.php) * [會話和安全](https://www.php.net/manual/zh/session.security.php) * [會話管理基礎](https://www.php.net/manual/zh/features.session.security.management.php) * [和會話安全相關的配置項](https://www.php.net/manual/zh/session.security.ini.php) * [Session 函數](https://www.php.net/manual/zh/ref.session.php) * [session\_abort](https://www.php.net/manual/zh/function.session-abort.php)— Discard session array changes and finish session * [session\_cache\_expire](https://www.php.net/manual/zh/function.session-cache-expire.php)— 返回當前緩存的到期時間 * [session\_cache\_limiter](https://www.php.net/manual/zh/function.session-cache-limiter.php)— 讀取/設置緩存限制器 * [session\_commit](https://www.php.net/manual/zh/function.session-commit.php)— session\_write\_close 的別名 * [session\_create\_id](https://www.php.net/manual/zh/function.session-create-id.php)— Create new session id * [session\_decode](https://www.php.net/manual/zh/function.session-decode.php)— 解碼會話數據 * [session\_destroy](https://www.php.net/manual/zh/function.session-destroy.php)— 銷毀一個會話中的全部數據 * [session\_encode](https://www.php.net/manual/zh/function.session-encode.php)— 將當前會話數據編碼為一個字符串 * [session\_gc](https://www.php.net/manual/zh/function.session-gc.php)— Perform session data garbage collection * [session\_get\_cookie\_params](https://www.php.net/manual/zh/function.session-get-cookie-params.php)— 獲取會話 cookie 參數 * [session\_id](https://www.php.net/manual/zh/function.session-id.php)— 獲取/設置當前會話 ID * [session\_is\_registered](https://www.php.net/manual/zh/function.session-is-registered.php)— 檢查變量是否在會話中已經注冊 * [session\_module\_name](https://www.php.net/manual/zh/function.session-module-name.php)— 獲取/設置會話模塊名稱 * [session\_name](https://www.php.net/manual/zh/function.session-name.php)— 讀取/設置會話名稱 * [session\_regenerate\_id](https://www.php.net/manual/zh/function.session-regenerate-id.php)— 使用新生成的會話 ID 更新現有會話 ID * [session\_register\_shutdown](https://www.php.net/manual/zh/function.session-register-shutdown.php)— 關閉會話 * [session\_register](https://www.php.net/manual/zh/function.session-register.php)— Register one or more global variables with the current session * [session\_reset](https://www.php.net/manual/zh/function.session-reset.php)— Re-initialize session array with original values * [session\_save\_path](https://www.php.net/manual/zh/function.session-save-path.php)— 讀取/設置當前會話的保存路徑 * [session\_set\_cookie\_params](https://www.php.net/manual/zh/function.session-set-cookie-params.php)— 設置會話 cookie 參數 * [session\_set\_save\_handler](https://www.php.net/manual/zh/function.session-set-save-handler.php)— 設置用戶自定義會話存儲函數 * [session\_start](https://www.php.net/manual/zh/function.session-start.php)— 啟動新會話或者重用現有會話 * [session\_status](https://www.php.net/manual/zh/function.session-status.php)— 返回當前會話狀態 * [session\_unregister](https://www.php.net/manual/zh/function.session-unregister.php)— Unregister a global variable from the current session * [session\_unset](https://www.php.net/manual/zh/function.session-unset.php)— 釋放所有的會話變量 * [session\_write\_close](https://www.php.net/manual/zh/function.session-write-close.php)— Write session data and end session * [SessionHandler](https://www.php.net/manual/zh/class.sessionhandler.php)— The SessionHandler class * [SessionHandler::close](https://www.php.net/manual/zh/sessionhandler.close.php)— Close the session * [SessionHandler::create\_sid](https://www.php.net/manual/zh/sessionhandler.create-sid.php)— Return a new session ID * [SessionHandler::destroy](https://www.php.net/manual/zh/sessionhandler.destroy.php)— Destroy a session * [SessionHandler::gc](https://www.php.net/manual/zh/sessionhandler.gc.php)— Cleanup old sessions * [SessionHandler::open](https://www.php.net/manual/zh/sessionhandler.open.php)— Initialize session * [SessionHandler::read](https://www.php.net/manual/zh/sessionhandler.read.php)— Read session data * [SessionHandler::write](https://www.php.net/manual/zh/sessionhandler.write.php)— Write session data * [SessionHandlerInterface](https://www.php.net/manual/zh/class.sessionhandlerinterface.php)— The SessionHandlerInterface class * [SessionHandlerInterface::close](https://www.php.net/manual/zh/sessionhandlerinterface.close.php)— Close the session * [SessionHandlerInterface::destroy](https://www.php.net/manual/zh/sessionhandlerinterface.destroy.php)— Destroy a session * [SessionHandlerInterface::gc](https://www.php.net/manual/zh/sessionhandlerinterface.gc.php)— Cleanup old sessions * [SessionHandlerInterface::open](https://www.php.net/manual/zh/sessionhandlerinterface.open.php)— Initialize session * [SessionHandlerInterface::read](https://www.php.net/manual/zh/sessionhandlerinterface.read.php)— Read session data * [SessionHandlerInterface::write](https://www.php.net/manual/zh/sessionhandlerinterface.write.php)— Write session data