Phalcon\Session\Adapter\Mongo::read PHP Méthode

    public function read($sessionId)
    {
        $sessionData = $this->getCollection()->findOne(['_id' => $sessionId]);
        if (!isset($sessionData['data'])) {
            return '';
        }
        $this->data = $sessionData['data'];
        return $sessionData['data'];
    }