woothemes / woocommerce

		}

		// Category discounts

		if ( sizeof( $this->product_categories ) > 0 ) {

			if ( sizeof( array_intersect( $product_cats, $this->product_categories ) ) > 0 ) {

				$valid = true;

			}

		}

		if ( ! sizeof( $this->product_ids ) && ! sizeof( $this->product_categories ) ) {

			// No product ids - all items discounted

		}

		// Specific categories excluded from the discount

		if ( sizeof( $this->exclude_product_categories ) > 0 ) {

			if ( sizeof( array_intersect( $product_cats, $this->exclude_product_categories ) ) > 0 ) {

				$valid = false;

			}

		}

		// Sale Items excluded from discount

		if ( $this->exclude_sale_items == 'yes' ) {