MetadataBag

setId(string $id) Sets the session ID. Parameters

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

int count() Returns the number of attributes.

save() Force the session to be saved and closed. This method is generally not required for

SessionBagInterface

replace(array $attributes) Sets attributes.

mixed getName() Returns the session name.

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

mixed remove(string $name) Removes an attribute.