class Controller{


public function load(){

     return $this->load;

}

public function model($name ){

     require $name;

     $modname = $name . '_Model';

     $this->$name = new $modname();

}


}

class whatever extends Controller {

    function __construct() {

        parent::__construct();

        $this->model('Login'); //WORK

        $this->load->model('Login'); //NOT WORK (MY PROBLEM)

    }


    function Sigin(){

        $this->Login->anothermodelfunction; //WORK with $this->model('Login')
    }

}