> */ public function priceTiers(): array { $statement = $this->pdo()->query( 'SELECT code, title, discount_type, discount_value, min_order_amount, price_tier_label, payment_note FROM promocodes WHERE is_active = 1 AND show_in_price_tiers = 1 AND discount_type = "percent" ORDER BY min_order_amount, discount_value' ); return $statement->fetchAll(); } }