login_model

<?php if (! defined('BASEPATH')) exit ('NO direct script access allowed');

    class Login_model extends CI_Model{

        public function login($user_id){
            $CI = & get_instance();
            $CI->session->set_userdata('logged', $userdata);
        }

        public function logout(){
            $CI = & get_instance();
            $CI->session->sess_destroy();
        }

        public function validate($nama, $password){
            $query = $this->db->get_where('login', array('nama' => $nama));
            $cek   = $query->num_rows();
            if($cek != 0){
                foreach($query->result() as $row):
                $client['id_client'] = $row->id_user;
                $client['nama']       = $row->nama;
                $client['password']  = $row->password;
                endforeach;

                $passmd5 = md5($password);

                if($passmd5 == $client['password']){
                    $this->login($client['id_client']);
                    return true;
                    }else{
                    return false;
                    }
            }else{
                return false;
                }
        }

    }
?>