WordPress at Your Fingertips
function is not described

WC_Cart::get_product_subtotal() public WC 1.0

Get the product row subtotal.

Gets the tax etc to avoid rounding issues.

When on the checkout (review order), this will get the subtotal based on the customer's tax rate rather than the base rate.

{} It's a method of the class: WC_Cart{}

Hooks from the method
Return

String. formatted price

Usage

$WC_Cart = new WC_Cart();
$WC_Cart->get_product_subtotal( $product, $quantity );
$product(WC_Product) (required)
Product object.
$quantity(int) (required)
Quantity being purchased.

Code of WC_Cart::get_product_subtotal() WC 5.6.0

public function get_product_subtotal( $product, $quantity ) {
	$price = $product->get_price();

	if ( $product->is_taxable() ) {

		if ( $this->display_prices_including_tax() ) {
			$row_price        = wc_get_price_including_tax( $product, array( 'qty' => $quantity ) );
			$product_subtotal = wc_price( $row_price );

			if ( ! wc_prices_include_tax() && $this->get_subtotal_tax() > 0 ) {
				$product_subtotal .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
			}
		} else {
			$row_price        = wc_get_price_excluding_tax( $product, array( 'qty' => $quantity ) );
			$product_subtotal = wc_price( $row_price );

			if ( wc_prices_include_tax() && $this->get_subtotal_tax() > 0 ) {
				$product_subtotal .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
			}
		}
	} else {
		$row_price        = $price * $quantity;
		$product_subtotal = wc_price( $row_price );
	}

	return apply_filters( 'woocommerce_cart_product_subtotal', $product_subtotal, $product, $quantity, $this );
}