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WooCommerce 2.4 – Price cache workaround - Dynamic key
* Alters the key used to store cached prices. This code snippet allows
* to use dynamic cache keys, thus making it possible to store multiple
* sets of prices in the cache.
* You can add this code to the functions.php file in your child theme
* folder, or to a custom plugin.
* @param array cache_key_args The arguments that form the cache key.
* @param WC_Product product The product for which the key is being generated.
* @param bool display Indicates if the prices are being retrieved for display
* purposes.
* @return array
* @since WooCommerce 2.4
* @author Aelia <>
* @link
function set_custom_price_cache_key($cache_key_args, $product, $display) {
// This is an example. You would have to implement your logic
// to determine if the customer is a wholesaler
$customer_is_wholesaler = my_custom_function();
// We add the "wholesaler" flag to the element that constitute the
// cache key. This will create two cached copies of the product prices:
// - One price list for wholesaler
// - One price list for non-wholesaler
// The appropriate copy will be retrieved automatically.
$cache_key_args[] = (string)$customer_is_wholesaler;
return $cache_key_args;
add_filter('woocommerce_get_variation_prices_hash', 'set_custom_price_cache_key', 10, 3);
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