Customize the get product discount
Customize product discount retrieval.
add_shortcode('quantity_discount_selector', 'quantity_discount_selector');
function quantity_discount_selector($product) {
global $product;
$sale_price = $product->get_price();
$quantities = array(1, 3, 5);
$html = '<div class="quantity_discount_selector">';
foreach ($quantities as $quantity) {
$price = apply_filters('advanced_woo_discount_rules_get_product_discount_price_from_custom_price', $sale_price, $product, $quantity, 0, 'discounted_price', true, false);
$discount_price = !empty($price) ? $price : $sale_price;
$html .= '<div class="quantity_discount_selector_item">';
$html .= '<div class="quantity_discount_selector_item_quantity">' . $quantity . '</div>';
$html .= '<div class="quantity_discount_selector_item_price">' . $discount_price * $quantity. '</div>';
$html .= '</div>';
}
$html .= '</div>';
}