WC_Cart_Totals::get_fees_from_cart() │ protected │ WC 3.2.0

Get fee objects from the cart. Normalises data into the same format for use by this class.

Method of the class: WC_Cart_Totals{}

Return

null. Nothing (null).

Usage

// protected - for code of main (parent) or child class
$result = $this->get_fees_from_cart();

Changelog

WC_Cart_Totals::get_fees_from_cart() WC Cart Totals::get fees from cart code ^{WC 9.6.0}

protected function get_fees_from_cart() {
	$this->fees = array();
	$this->cart->calculate_fees();

	$fee_running_total = 0;

	foreach ( $this->cart->get_fees() as $fee_key => $fee_object ) {
		$fee            = $this->get_default_fee_props();
		$fee->object    = $fee_object;
		$fee->tax_class = $fee->object->tax_class;
		$fee->taxable   = $fee->object->taxable;
		$fee->total     = wc_add_number_precision_deep( $fee->object->amount );

		// Negative fees should not make the order total go negative.
		if ( 0 > $fee->total ) {
			$max_discount = NumberUtil::round( $this->get_total( 'items_total', true ) + $fee_running_total + $this->get_total( 'shipping_total', true ) ) * -1;

			if ( $fee->total < $max_discount ) {
				$fee->total = $max_discount;
			}
		}

		$fee_running_total += $fee->total;

		if ( $this->calculate_tax ) {
			if ( 0 > $fee->total ) {
				// Negative fees should have the taxes split between all items so it works as a true discount.
				$tax_class_costs = $this->get_tax_class_costs();
				$total_cost      = array_sum( $tax_class_costs );

				if ( $total_cost ) {
					foreach ( $tax_class_costs as $tax_class => $tax_class_cost ) {
						if ( 'non-taxable' === $tax_class ) {
							continue;
						}
						$proportion               = $tax_class_cost / $total_cost;
						$cart_discount_proportion = $fee->total * $proportion;
						$fee->taxes               = wc_array_merge_recursive_numeric( $fee->taxes, WC_Tax::calc_tax( $fee->total * $proportion, WC_Tax::get_rates( $tax_class ) ) );
					}
				}
			} elseif ( $fee->object->taxable ) {
				$fee->taxes = WC_Tax::calc_tax( $fee->total, WC_Tax::get_rates( $fee->tax_class, $this->cart->get_customer() ), false );
			}
		}

		$fee->taxes     = apply_filters( 'woocommerce_cart_totals_get_fees_from_cart_taxes', $fee->taxes, $fee, $this );
		$fee->total_tax = array_sum( array_map( array( $this, 'round_line_tax' ), $fee->taxes ) );

		// Set totals within object.
		$fee->object->total    = wc_remove_number_precision_deep( $fee->total );
		$fee->object->tax_data = wc_remove_number_precision_deep( $fee->taxes );
		$fee->object->tax      = wc_remove_number_precision_deep( $fee->total_tax );

		$this->fees[ $fee_key ] = $fee;
	}
}