wc_get_price_including_tax() │ WC 3.0.0

For a given product, and optionally price/qty, work out the price with tax included, based on store settings.

Return

float|String. Price with tax included, or an empty string if price calculation failed.

Usage

wc_get_price_including_tax( $product, $args );

$product(WC_Product) (required)

WC_Product object.

$args(array)

Optional arguments to pass product quantity and price.
Default: array()

Changelog

wc_get_price_including_tax() wc get price including tax code ^{WC 8.7.0}

function wc_get_price_including_tax( $product, $args = array() ) {
	$args = wp_parse_args(
		$args,
		array(
			'qty'   => '',
			'price' => '',
		)
	);

	$price = '' !== $args['price'] ? max( 0.0, (float) $args['price'] ) : (float) $product->get_price();
	$qty   = '' !== $args['qty'] ? max( 0.0, (float) $args['qty'] ) : 1;

	if ( empty( $qty ) ) {
		return 0.0;
	}

	$line_price   = $price * $qty;
	$return_price = $line_price;

	if ( $product->is_taxable() ) {
		if ( ! wc_prices_include_tax() ) {
			// If the customer is exempt from VAT, set tax total to 0.
			if ( ! empty( WC()->customer ) && WC()->customer->get_is_vat_exempt() ) {
				$taxes_total = 0.00;
			} else {
				$tax_rates = WC_Tax::get_rates( $product->get_tax_class() );
				$taxes     = WC_Tax::calc_tax( $line_price, $tax_rates, false );

				if ( 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ) ) {
					$taxes_total = array_sum( $taxes );
				} else {
					$taxes_total = array_sum( array_map( 'wc_round_tax_total', $taxes ) );
				}
			}

			$return_price = NumberUtil::round( $line_price + $taxes_total, wc_get_price_decimals() );
		} else {
			$tax_rates      = WC_Tax::get_rates( $product->get_tax_class() );
			$base_tax_rates = WC_Tax::get_base_tax_rates( $product->get_tax_class( 'unfiltered' ) );

			/**
			 * If the customer is exempt from VAT, remove the taxes here.
			 * Either remove the base or the user taxes depending on woocommerce_adjust_non_base_location_prices setting.
			 */
			if ( ! empty( WC()->customer ) && WC()->customer->get_is_vat_exempt() ) { // @codingStandardsIgnoreLine.
				$remove_taxes = apply_filters( 'woocommerce_adjust_non_base_location_prices', true ) ? WC_Tax::calc_tax( $line_price, $base_tax_rates, true ) : WC_Tax::calc_tax( $line_price, $tax_rates, true );

				if ( 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ) ) {
					$remove_taxes_total = array_sum( $remove_taxes );
				} else {
					$remove_taxes_total = array_sum( array_map( 'wc_round_tax_total', $remove_taxes ) );
				}

				$return_price = NumberUtil::round( $line_price - $remove_taxes_total, wc_get_price_decimals() );

				/**
			 * The woocommerce_adjust_non_base_location_prices filter can stop base taxes being taken off when dealing with out of base locations.
			 * e.g. If a product costs 10 including tax, all users will pay 10 regardless of location and taxes.
			 * This feature is experimental @since 2.4.7 and may change in the future. Use at your risk.
			 */
			} elseif ( $tax_rates !== $base_tax_rates && apply_filters( 'woocommerce_adjust_non_base_location_prices', true ) ) {
				$base_taxes   = WC_Tax::calc_tax( $line_price, $base_tax_rates, true );
				$modded_taxes = WC_Tax::calc_tax( $line_price - array_sum( $base_taxes ), $tax_rates, false );

				if ( 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ) ) {
					$base_taxes_total   = array_sum( $base_taxes );
					$modded_taxes_total = array_sum( $modded_taxes );
				} else {
					$base_taxes_total   = array_sum( array_map( 'wc_round_tax_total', $base_taxes ) );
					$modded_taxes_total = array_sum( array_map( 'wc_round_tax_total', $modded_taxes ) );
				}

				$return_price = NumberUtil::round( $line_price - $base_taxes_total + $modded_taxes_total, wc_get_price_decimals() );
			}
		}
	}
	return apply_filters( 'woocommerce_get_price_including_tax', $return_price, $qty, $product );
}