function countProducts($groupID, $mustBeInIDs = array(), $manufacturerIDs = array(), $attributes = array(), $find = '', $tag = '', $sellerIDs = array()) { $products = new \cf\ProductsInSubtree($groupID); $products->mustBeIn($mustBeInIDs); $products->filterByManufacturers($manufacturerIDs); $products->filterByAttributes($attributes); $products->filterBySellers($sellerIDs); return $products->countAll(); }