AyeCode / invoicing

    return apply_filters( 'wpinv_get_cart_tax', wpinv_sanitize_amount( $cart_tax ) );

}

function wpinv_cart_tax( $items = array(), $echo = false ) {

    $cart_tax = wpinv_get_cart_tax( $items );

    $cart_tax = wpinv_price( wpinv_format_amount( $cart_tax ) );

    $tax = apply_filters( 'wpinv_cart_tax', $cart_tax, $items );

    if ( !$echo ) {

        return $tax;

    }

    echo $tax;

}

function wpinv_get_cart_discount_code( $items = array() ) {

    $invoice = wpinv_get_invoice_cart();

    return apply_filters( 'wpinv_get_cart_discount', wpinv_sanitize_amount( $cart_discount ), $items );

}

function wpinv_cart_discount( $items = array(), $echo = false ) {

    $cart_discount = wpinv_get_cart_discount( $items );

    $cart_discount = wpinv_price( wpinv_format_amount( $cart_discount ) );

    $discount = apply_filters( 'wpinv_cart_discount', $cart_discount, $items );

    if ( !$echo ) {

        return $discount;

    }

    echo $discount;

}

function wpinv_get_cart_fees( $type = 'all', $item_id = 0 ) {

    $item = new WPInv_Item( $item_id );