Cara masukan 2 table dalam 1 form

gan ane bikin form pembayaran nah ane mau ketika form pembayaran itu 1 table baru masuk dan yang satu lg formny itu ke update beberapa bagian ane mau cuman di update bagian statusny ketika user melakukan pembayaran ini itu gimana filterny ya ?

<h1 class="h3 mb-0 text-gray-800"><?= $title; ?></h1>
<?= $this->session->flashdata('message'); ?>
<div class="row">
    <div class="col-lg">
        <?php echo form_open_multipart('home/proses_bayar'); ?>
        <div class="modal-body">
            <div class="form-group">
                <label>Nama</label>
                <input type="hidden" class="form-control" id="id_pembayaran" name="id_pembayaran">
                <input type="hidden" class="form-control" id="kd_pembayaran" name="kd_pembayaran">
                <input type="text" class="form-control" id="klien" name="klien" value="<?= $order['pelanggan']; ?>" readonly>
            </div>
            <div class="form-group">
                <label>Alamat Pengiriman</label>
                <input type="text" class="form-control" id="tempat" name="tempat" value="<?= $order['alamat'] ?>" readonly>
            </div>
            <label>Tanggal Kirim</label>
            <div class="form-group">
                <input type="date" class="form-control" id="tgl_deliv" name="tgl_deliv" value="<?= $order['tgl_kirim']; ?>" readonly>
                <input type="hidden" class="form-control" id="tgl_bayar" name="tgl_bayar">
            </div>
            <div class="form-group">
                <input type="hidden" class="form-control" id="id_barang" name="id_barang" value="<?= $order['nm_barang']; ?>">
            </div>
            <div class="form-group">
                <label>Jumlah Pembelian</label>
                <input class="form-control" id="jml_beli" name="jml_beli" value="<?= $order['jumlah']; ?>" readonly>
            </div>
            <div class="form-group">
                <label>Status</label>
                <input type="hidden" class="form-control" id="status" name="status" value="2" readonly>
            </div>
            <div class="form-group">
                <label>Total</label>
                <input type="text" class="form-control" id="total" name="total" value="<?= $order['total_harga'] ?>" readonly>
            </div>
            <div class="form-group">
                <input type="hidden" class="form-control" id="id_pembeli" name="id_pembeli" value="<?= $_SESSION['email']; ?>" readonly>

                <!--<div class=" form-group">
                    <div class="form-check">
                        <input class="form-check-input" type="checkbox" value="1" name="isActive" id="isActive" checked>
                        <label class="form-check-label" for="isActive">
                            Is it active?
                        </label>
                    </div>
            </div>-->
            </div>
            <div class="custom-file">
                <input type="file" class="custom-file-input" id="bukti_img" name="bukti_img">
                <label class="custom-file-label" for="image">Choose 1:1 image...</label>
            </div>
        </div>
        <div class="modal-footer">
            <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
            <button type="submit" class="btn btn-primary">Add</button>
            <? echo form_close(); ?>
        </div>
    </div>
</div>
</div>

</div>
</div>
</div>

ini untuk kode formny

public function proses_bayar()
    {
        $data['title'] = 'Bayar';
        $data['user'] = $this->db->get_where('user', ['email' => $this->session->userdata('email')])->row_array();

        $this->load->helper('string');

        $id = $this->input->post('id_pembayaran');
        $kd_pembayaran = $this->input->post('kd_pembayaran');
        $klien = $this->input->post('klien');
        $tempat = $this->input->post('tempat');
        $tgl_bayar = $this->input->post('tgl_deliv');
        $tgl_deliv = $this->input->post('tgl_bayar');
        $id_barang = $this->input->post('id_barang');
        $jml_beli = $this->input->post('jml_beli');
        $total = $this->input->post('total');
        $id_pembeli = $this->input->post('id_pembeli');
        $uploadImg = $_FILES['bukti_img']['name'];

        if ($uploadImg) {
            $config['allowed_types'] = 'jpg|gif|png';
            $config['max_size']      = 2048;
            $config['max_width']     = 1024;
            $config['max_height']    = 1024;
            $config['upload_path']   = './assets/img/bukti/';

            $this->load->library('upload', $config);

            if (!$this->upload->do_upload('bukti_img')) {
                $this->session->set_flashdata('message', '<div class="alert alert-danger" role="alert">' . $this->upload->display_errors() . '</div>');
                redirect('home/order');
            } else {
                $uploadImg = $this->upload->data('file_name');
            }
        }
        $data = [
            'id_pembayaran' => $id,
            'kd_pembayaran' => random_string('alnum', '10'),
            'klien' => $klien,
            'tempat' => $tempat,
            'tgl_deliv' => $tgl_deliv,
            'tgl_bayar' => date('Y-m-d H:i:s'),
            'id_barang' => $id_barang,
            'jml_beli' => $jml_beli,
            'total' => $total,
            'id_pembeli' => $id_pembeli,
            'bukti_img' => $uploadImg

        ];

        $this->db->insert('pembayaran', $data);

        $this->session->set_flashdata('message', '<div class="alert alert-success" role="alert">Please wait admin approve your post</div>');
        redirect('home/order');
    }

ini proses di controllerny ane pengen si status itu jadi angka 1 ketika udah di add mohon bantuanny ane pake codeigniter