Exclude membership discount for products in a certain category for WooCommerce and Paid Memberships Pro.

exclude-discount-woocommerce-categories.php

<?php
/**
 * This will exclude products that belong to a specific category from the membership discount.
 * Add the below code to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 
function my_pmpro_exclude_woocommerce_discounts_for_categories( $price, $level_id, $original_price, $product ) {

	// Array of categories to exclude, uses category slug.
	$exclude_categories = array( 'category-1', 'category-2', 'category-3' );


	// Figure out if product is a variation or simple product.
	if ( $product->get_type() === 'variation' ) {
		$product_id = $product->get_parent_id();
	} else {
		$product_id = $product->get_id();
	}

	$category_data = wp_get_post_terms( $product_id, 'product_cat' );

	// Check if product belongs to a category and remove discounted pricing.
	foreach( $category_data as $key => $value ) {
		if ( in_array( $value->slug, $exclude_categories ) ) {
			$price = $original_price;
		}
	}

	return $price;
}
add_filter( 'pmprowoo_get_membership_price', 'my_pmpro_exclude_woocommerce_discounts_for_categories', 10, 4 );