AppserverIo\Appserver\ServletEngine\Http\Request::getSession PHP 메소드

    public function getSession($create = false)
    {
        // load the proposed session-ID and name
        $id = $this->getProposedSessionId();
        $sessionName = $this->getRequestedSessionName();
        // if no session has already been load, initialize the session manager
        /** @var \AppserverIo\Appserver\ServletEngine\SessionManagerInterface $manager */
        $manager = $this->getSessionManager();
        // if no session manager was found, we don't support sessions
        if ($manager == null) {
            return;
        }
        // find or create a new session (if flag has been set)
        $session = $manager->find($id);
        // if we can't find a session or session has been expired and we want to create a new one
        if ($session == null && $create === true) {
            // check if a session ID has been specified
            if ($id == null) {
                // if not, generate a unique one
                $id = SessionUtils::generateRandomString();
            }
            // create a new session and register ID in request
            $session = $manager->create($id, $sessionName);
        }
        // if we can't find a session and we should NOT create one, return nothing
        if ($create === false && $session == null) {
            return;
        }
        // if we can't find a session although we SHOULD create one, we throw an exception
        if ($create === true && $session == null) {
            throw new \Exception('Can\'t create a new session!');
        }
        // initialize the session wrapper
        $wrapper = new SessionWrapper();
        $wrapper->injectSession($session);
        $wrapper->injectRequest($this);
        // return the found session
        return $wrapper;
    }