public function login()
{
    $this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email');
    $this->form_validation->set_rules('password', 'Password', 'trim|required|min_length[3]|alpha_dash');
    $this->form_validation->set_rules('type', 'Type', 'trim|required');

    if($this->form_validation->run() == FALSE)
    {
        /*=== LOAD DYNAMIC CATAGORY ===*/
        $this->load->model('admin_model');
        $view['category'] = $this->admin_model->get_category();
        /*==============================*/

        $view['user_view'] = "users/login";
        $this->load->view('layouts/user_layout', $view);
    }
    else
    {
        $this->load->model('user_model');

        $email = $this->input->post('email');
        $password = $this->input->post('password');
        $type = $this->input->post('type');

        $user_data = $this->user_model->login_user($email, $password, $type);

        if($user_data)
        {
            $login_data = array(

                'user_data' => $user_data,
                'email'     => $email,
                'type'      => $type,
                'name'      => $name,
                'logged_in' => true

            );

            $this->session->set_userdata($login_data);

public function login_user($email, $password, $type)
{
    $this->db->where('email', $email);
    $this->db->where('type', $type);

    $result = $this->db->get('users');

    $db_password = $result->row('password');

    if(password_verify($password, $db_password))
    {
        return $result->row(0)->id;
    }
    else
    {
        return false;
    }
}