write($sessionId, $data) {@inheritdoc} Parameters
read($sessionId) {@inheritdoc} Parameters
gc($maxlifetime) {@inheritdoc} Parameters
destroy($sessionId) {@inheritdoc} Parameters
close() {@inheritdoc}
open($savePath, $sessionName) {@inheritdoc}
class DbalSessionHandlerSchema extends Schema DBAL Session Storage Schema.
class DbalSessionHandler implements SessionHandlerInterface