Descrição das taxas no carrinho do WooCommerce

functions.php

<?php

/**
 * Adiciona as taxas ao subtotal no carrinho
 */

function vta_cart_item_subtotal( $wc, $cart_item, $cart_item_key ) {
	$_product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );

	$subtotal = wc_get_price_including_tax( $_product, array( 'qty' => $cart_item['quantity'] ) );
	$subtotal = wc_price( $subtotal );

	if ( ! empty( $cart_item['line_subtotal_tax'] ) ) {
		$_tax = new WC_Tax();

		$rates = WC_Tax::get_rates( $_product->get_tax_class() );

		if ( ! empty( $rates ) ) {
			$rates_string = '';
			$total = count( $rates );
			$rates = array_values( $rates );
			foreach ( $rates as $key => $rate ) {

				$tax = WC_Tax::calc_exclusive_tax( (float) $cart_item['line_subtotal'], array( $rate ) );

				$rates_string .= wc_price( $tax[0] );
				$rates_string .= ' ' . $rate['label'];

				if ( $key < ( $total - 2 ) ) {
					$rates_string .= ', ';
				} else if ( $key == ( $total - 2 ) ) {
					$rates_string .= ' e ';
				}
			}

			$subtotal .= '<small class="tax_label" style="display: block;"> (inclui ' . $rates_string . ')</span>';
		}

	}

    return $subtotal;
};

// add the filter
add_filter( 'woocommerce_cart_item_subtotal', 'vta_cart_item_subtotal', 10, 3 );

/**
 * Adiciona as taxas ao subtotal no carrinho
 */

function vta_cart_item_price( $wc, $cart_item, $cart_item_key ) {
	$_product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );

    return wc_price( $_product->get_price() );
};

// add the filter
add_filter( 'woocommerce_cart_item_price', 'vta_cart_item_price', 10, 3 );