cookies.php
public function agePrematurely($interval)
    {
        for ($i = 0; $i < count($this->cookies); $i++) {
            $this->cookies[$i]->agePrematurely($interval);
        }
    }
public function agePrematurely($interval)
    {
        for ($i = 0; $i < count($this->cookies); $i++) {
            $this->cookies[$i]->agePrematurely($interval);
        }
    }
Ages all cookies in the cookie jar.

@param int $interval The old session is moved into the past by this number
of seconds. Cookies now over age will be removed.