woocommerce_get_product_subcategories_cache_key

apply_filters('woocommerce_get_product_subcategories_cache_key') is found 1 times:

• /includes/wc-template-functions.php line 2646

  	 * @return array
  	 */
  	function woocommerce_get_product_subcategories( $parent_id = 0 ) {
  		$parent_id          = absint( $parent_id );
  		$cache_key          = apply_filters( 'woocommerce_get_product_subcategories_cache_key', 'product-category-hierarchy-' . $parent_id, $parent_id );
  		$product_categories = $cache_key ? wp_cache_get( $cache_key, 'product_cat' ) : false;
  
  		if ( false === $product_categories ) {
  			// NOTE: using child_of instead of parent - this is not ideal but due to a WP bug ( https://core.trac.wordpress.org/ticket/15626 ) pad_counts won't work.
  			$product_categories = get_categories(
  				apply_filters(
  

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