delete

$this->get('/deleteall', function ($request, $response, $args) {
            $params = $_GET;
            $modelSkyhub = new ModelSkyhubCategories();
            $categoriesSkyhub = $modelSkyhub->getCategories($params);

            foreach ($categoriesSkyhub as $key => $category) {
                $delete = $modelSkyhub->delete($category['code']);
                flush();
                ob_flush();
                var_dump($category['code']);
//                echo $delete;
            }

        });