<?php
class Admin_model extends Model {

    function Admin_model()
    {
        parent::Model();
        $this->load->library('session');
    }

    function login()
    {
        $user = $this->input->post('user');
        $pass = $this->input->post('password');
        $submit = $this->input->post('submit');
        if(!empty($user) && !empty($pass) && isset($submit)){
        $md5pass = md5($pass);
        $query = $this->db->query("SELECT * FROM sung_admin WHERE username='$user' AND password='$md5pass'");
        if ($query->num_rows() > 0)
            {
                $user = $this->input->post('user');
                $ses = $this->session->set_userdata($user);
                echo $ses;
            }
            else
            {
                header('location:login');
            }
        }

    }
    function home()
    {
        $this->session->userdata('admin');
    }

}