data = $data; } /** * @param WDP_Cart $cart * * @return bool */ public function check( $cart ) { return false; } /** @return array|null */ public function get_involved_cart_items() { return null; } /** * @param WDP_Cart $cart * * @return bool */ public function match( $cart ) { return $this->check( $cart ); } /** * @return bool */ public function has_product_dependency() { return $this->has_product_dependency; } /** * @return array|false */ public function get_product_dependency() { return false; } }