Phalcon\Session\Adapter\Database::__construct PHP Метод

    public function __construct($options = null)
    {
        if (!isset($options['db']) || !$options['db'] instanceof DbAdapter) {
            throw new Exception('Parameter "db" is required and it must be an instance of Phalcon\\Db\\AdapterInterface');
        }
        $this->connection = $options['db'];
        unset($options['db']);
        if (!isset($options['table']) || empty($options['table']) || !is_string($options['table'])) {
            throw new Exception("Parameter 'table' is required and it must be a non empty string");
        }
        $columns = ['session_id', 'data', 'created_at', 'modified_at'];
        foreach ($columns as $column) {
            $oColumn = "column_{$column}";
            if (!isset($options[$oColumn]) || !is_string($options[$oColumn]) || empty($options[$oColumn])) {
                $options[$oColumn] = $column;
            }
        }
        parent::__construct($options);
        session_set_save_handler([$this, 'open'], [$this, 'close'], [$this, 'read'], [$this, 'write'], [$this, 'destroy'], [$this, 'gc']);
    }