bool has(string $name) Checks if an attribute is defined.

mixed clear() Clears out data from bag.

int getAge() Returns the age of the response.

mixed clear() Clears out data from bag.

setSessionData(array $array) Sets the session data.

int getError() Returns the upload error. If the upload was successful, the constant UPLOADERROK

array getVary() Returns an array of header names given in the Vary header.

bool isActive() Has a session started?

removeCookie(string $name, string $path = '/', string $domain = null) Removes a cookie from the array

array getLanguages() Gets a list of languages acceptable by the client browser.