$pdo_crud = new PDOCrud();
                                    if ($pdo_crud->checkUserSession("userId")) {
                                        if ($pdo_crud->checkUserSession("role", array("admin", "author", "editor"))) {
                                            echo "Welcome ".$pdo_crud->getUserSession("userName");
                                            echo $pdo_crud->dbTable("employee")->render();
                                        }
                                        echo "You don't have sufficient permission to access this page.";
                                    } else {
                                        echo "You are not allowed to access this page.";
                                    }