AppserverIo\Appserver\ServletEngine\Http\Response::hasCookie PHP Method

Returns TRUE if the response already has a cookie with the passed name, else FALSE.

public hasCookie ( string $cookieName ) : boolean
$cookieName	string	Name of the cookie to be checked
return	boolean	TRUE if the response already has the cookie, else FALSE

    public function hasCookie($cookieName)
    {
        return isset($this->cookies[$cookieName]);
    }

Response