The Cookie helper has the following methods:
Cookie::exists($key);Returns true or false
Cookie::set($key, $value, $expiry = self::FOURYEARS, $path = "/", $domain = false);$key - the name of the cookie
$value - the value the cookie holds
$expiry - time to hold the cookie
$path - the path the cookie accepts
domain - the domain to be used defaults to false
Cookie::get($key, $default = ‘‘)Get the key from a cookie
Cookie::display()Returns the $_COOKIE
Cookie::destroy($key, $path = "/", $domain = "")Remove/Delete cookie match the id of $key