public function eliminarProfesorValido() { if (Request::ajax()) { $arr = empty(Profesor::whereNumEmpleado(Input::get("num"))->get()->toArray()); if ($arr) { if (ProfesorValido::whereNumEmpleado(Input::get("num"))->delete()) { return Response::json(array('success' => "true")); } else { return Response::json(array('success' => "false")); } } else { return Response::json(array('success' => "existe")); } } }