METHOD 1 Same variable name change key
public function index()
{
$data['data1']=$this->load_city->view();
$data['data2']=$this->load_city->spl();
$this->load->view('home_view',$data);
}
METHOD 2 Merge Your array
public function index()
{
$data['data1']=$this->load_city->view();
$data2['data2']=$this->load_city->spl();
$new_array = array_merge($data,$data2);
$this->load->view('home_view',$new_array );
}
if you want to make shortcut just add direct in method
$this->load->view('home_view',array_merge($data, $data2));