EricBusch

<?php

/**
 * Display the Savings discount for a product that's on sale on product list pages.
 */
add_action( 'woocommerce_after_shop_loop_item', 'mycode_show_discount_in_product_lists' );
function mycode_show_discount_in_product_lists() {
	global $product; 
	$salediscount = get_post_meta( $product->id, '_dfrps_salediscount', true );
	if ( $salediscount > 0 ) {

EricBusch

<?php

/**
 * Replace affiliate links with links to VigLink.
 *
 * There are limitations to this method. Not all products contain the necessary data
 * to redirect to VigLink. If the necessary data is not available, the affiliate network
 * affiliate link will be returned instead. Therefore it's a good idea to enter your
 * affiliate ID for all networks just in case here WordPress Admin Area >Datafeedr API > Networks
 *

EricBusch

<?php

/**
 * Add the custom attribute label "Special Promotion" to a product.
 *
 * @param array $attributes An array attributes.
 * @param array $post An array of post data including ID, post_title, post_status, etc...
 * @param array $product An array of product data returned from the Datafeedr API.
 * @param array $set A post array for this Product Set with an array key of postmeta containing all post meta data.
 * @param string $action The action the Product Set is performing. Value are either "insert" or "update".

EricBusch

<?php

/**
 * Prevent taxonomy-based attributes from being overwritten when a Product Set
 * updates a product already in your store.
 *
 * @see wc_get_product_terms()
 * @link http://stackoverflow.com/a/13454788/2489248
 *
 * @param array|string $value The current value of the $attribute for this $post.