/** Empty the cart */ public static function empty_cart() { self::$cart_contents = array(); self::$applied_coupons = array(); self::reset_totals(); unset(fflcommerce_session::instance()->cart); unset(fflcommerce_session::instance()->coupons); unset(fflcommerce_session::instance()->chosen_shipping_method_id); unset(fflcommerce_session::instance()->selected_rate_id); }