SessionHandlerInterface::open Initialize session &reftitle.description; public boolSessionHandlerInterface::open stringpath stringname Re-initialize existing session, or creates a new one. Called when a session starts or when session_start is invoked. &reftitle.parameters; path The path where to store/retrieve the session. name The session name. &reftitle.returnvalues; &returns.session.storage.retval; &reftitle.seealso; session_name The session.auto-start configuration directive.