clear() Clear all session data in memory.

string getBasePath() Returns the root path from which this request is executed. Suppose

SessionBagInterface

string|null getClientMimeType() Returns the file mime type. The client mime type is extracted

MetadataBag

bool isWrapper() Returns true if this handler wraps an internal PHP session save handler using

mixed clear() Clears out data from bag.

array all() Gets and clears flashes from the stack.

Response setPrivate()

BinaryFileResponse