engineN/app/Controllers/Auth.php

<?php

namespace App\Controllers;

use CodeIgniter\Controller;
use App\Models\Mauth;

class Auth extends Controller
{
    public function index()
    {
        helper(['form']);
        echo view('pages/loginv');
    }
    public function login()
    {
        $session = session();
        $model = new Mauth();
        $uname = $this->request->getVar('username');
        $password = $this->request->getVar('password');

        $param = array('name' => $uname, 'passwd' => $password);
        $data = $model->cekuser($param)->getRowArray();
        // var_dump($data);
        //exit();
        if ($data) {

            $ses_data = [
                'nip'       => $data['NIP9'],
                'nipp'       => $data['NIP18'],
                'nama'      => $data['NAMA'],
                'kppadm'    => $data['KPPADM'],
                'jabatan'   => $data['NAMA_JABATAN'],
                'kantor'    => $data['NAMA_KANTOR'],
                'seksi'     => $data['NAMA_UNIT_ES3'],
                'isLogin'   => true
            ];
            $session->set($ses_data);
            return redirect()->to(base_url('Home'));
        } else {
            //print_r('user tidak ada');
            //exit;
            $session->setFlashdata('msg', 'User Tidak ada');
            return redirect()->to('auth');
        }
    }

    public function logout()
    {
        $session = session();
        $session->destroy();
        return redirect()->to(base_url('auth'));
    }
}