woocommerce_get_product_subcategories_cache_key
Usage
add_filter( 'woocommerce_get_product_subcategories_cache_key', 'wp_kama_woocommerce_get_product_subcategories_cache_key_filter', 10, 2 ); /** * Function for `woocommerce_get_product_subcategories_cache_key` filter-hook. * * @param $string * @param $parent_id * * @return */ function wp_kama_woocommerce_get_product_subcategories_cache_key_filter( $string, $parent_id ){ // filter... return $string; }
- $string
- -
- $parent_id
- -
Where the hook is called
woocommerce_get_product_subcategories_cache_key
woocommerce/includes/wc-template-functions.php 2640
$cache_key = apply_filters( 'woocommerce_get_product_subcategories_cache_key', 'product-category-hierarchy-' . $parent_id, $parent_id );