slim function problem 2

//external file with function
function  getThemer($key,$id) {
   $themer = R::find("themers","id = ?",[$id]);
   echo json_encode(R::exportAll($themer));
   return true;
}

function countThemer(){
    echo "count";
    $count =  R::exec( 'SELECT COUNT(id) FROM themers' );
    echo $count;
}

function allowed($key){
    $app = \Slim\Slim::getInstance();
    $params = $app->router()->getCurrentRoute()->getParams();
    if(!($params["key"]=="giulio"))
        $app->redirect ("http://google.com");

}