Controller Notif

function tambah_artikel() {
        if ($this->session->userdata('login') == TRUE) {


            if ($this->input->post('submit')) {
                    $this->form_validation->set_rules('judul', 'Judul', 'required');
                    $this->form_validation->set_rules('konten', 'Artikel', 'required');

                    if ($this->form_validation->run() == TRUE){

                        $tanggal = date('Y-m-d');

        $InsertArtikel = array(
                'judul'         => $this->input->post('judul'),
                'isi'           => $this->input->post('konten'),
                'tgl'           => $tanggal,
                'categori'      => $this->input->post('category'),
                'slug'          => url_title($this->input->post('judul'))
            );

                $this->model_artikel->add($InsertArtikel);
                $this->session->set_flashdata('message', 'Data Artikel Berhasil Disimpan');

                }

            }

            $nm_cat = $this->model_artikel->get_cat()->result();
                foreach($nm_cat as $row)
                    {
                        $data['options_cat'][$row->nm_cat] = $row->nm_cat;
                    }

            $data['UserLogin'] = $this->model_admin->selectAll();
            $data['title'] = 'Tambah Artikel';
            $this->load->view('admin/tambah_artikel', $data);

        }
        else {
            redirect('halaman/login');
        }
    }