app\helpers\categoriesHelper::searchCategories PHP Метод

    public static function searchCategories($categories, $products)
    {
        $productsByCate = [];
        $array = [];
        $result = [];
        foreach ($products as $row) {
            if (isset($productsByCate[$row['category_id']])) {
                $productsByCate[$row['category_id']]++;
            } else {
                $productsByCate[$row['category_id']] = 1;
            }
        }
        $list = 'categories-';
        foreach ($productsByCate as $key => $value) {
            if (strpos($key, $list) === false) {
                $i = count($array);
                $array[$i] = [];
                self::findfather($array[$i], $categories, $key);
                foreach ($array[$i] as $row) {
                    if (isset($result[$row['id']])) {
                        $result[$row['id']] = $result[$row['id']] + $value;
                    } else {
                        $result[$row['id']] = $value;
                    }
                }
            }
        }
        return self::orderByParents($categories, $result);
    }