Message:

This question already has an answer here:

My Answer:
You can achieve this by using a custom function in your theme's functions.php file. Here's an example code snippet to apply a bulk quantity discount for specific product tag IDs in WooCommerce:

php

add_action('woocommerce_before_calculate_totals', 'apply_bulk_quantity_discount');



function apply_bulk_quantity_discount($cart) {

    if (is_admin() && !defined('DOING_AJAX')) {

        return;

    }



    $discount_amount = 5; // Set the discount amount here

    $tag_ids = array(1, 2, 3); // Set the product tag IDs for which the discount should be applied



    $total_quantity = 0;



    foreach ($cart->get_cart() as $cart_item_key => $cart_item) {

        $product = $cart_item['data'];

        $product_tags = $product->get_tag_ids();



        if (array_intersect($tag_ids, $product_tags)) {

            $total_quantity += $cart_item['quantity'];

        }

    }



    if ($total_quantity >= 5) {

        $discount = $discount_amount * floor($total_quantity / 5);



        foreach ($cart->get_cart() as $cart_item_key => $cart_item) {

            $product = $cart_item['data'];

            $product_tags = $product->get_tag_ids();



            if (array_intersect($tag_ids, $product_tags)) {

                $cart_item['data']->set_price($product->get_price() - $discount);

            }

        }

    }

}

In this code snippet, we first define the discount amount and the product tag IDs for which the discount should be applied. We then loop through the cart items to calculate the total quantity of products with the specified tags. If the total quantity is equal to or greater than 5, we apply the discount to each product with the specified tags.

You can adjust the discount amount, tag IDs, and quantity threshold as needed for your specific requirements.

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John Davidson

php - Cart bulk quantity discount for specific product tag IDs in WooCommerce