woocommerce_report_sales_by_category_get_products_in_category │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_report_sales_by_category_get_products_in_category', 'wp_kama_woocommerce_report_sales_by_category_get_products_in_filter', 10, 2 );

/**
 * Function for `woocommerce_report_sales_by_category_get_products_in_category` filter-hook.
 * 
 * @param  $product_ids 
 * @param  $category_id 
 *
 * @return 
 */
function wp_kama_woocommerce_report_sales_by_category_get_products_in_filter( $product_ids, $category_id ){

	// filter...
	return $product_ids;
}

$product_ids

-

$category_id

-

Where the hook is called

return array_unique( apply_filters( 'woocommerce_report_sales_by_category_get_products_in_category', $product_ids, $category_id ) );

Where the hook is used in WooCommerce