bool start() Starts the session. Return

createTable() Creates the table to store sessions which can be called once for setup. Session

bool migrate(bool $destroy = false, int $lifetime = null) Migrates the current session to a new

registerBag(

registerBag(

string getStorageKey() Gets the storage key for this bag.

destroy($sessionId) {@inheritdoc} Parameters

initialize(array $array) Initializes the Bag.

string getId() Gets the session ID. Return

class NullSessionHandler implements SessionHandlerInterface