Stuff

<?phpclass Usermodel extends CI_Model {  function __construct() {    $this->load->library('session');    }    function get_infos_by_username($username) {    $query = $this->db->get_where('users', array('username' => $username));    return $query->row();  }    function get_user_role($username) {    $query = $this->db->get_where('users', array('username' => $username));    $result = $query->row();    //echo $result->role;    return $result->role;  }    function checkUser($username, $password) {    $query = $this->db->get_where('users', array('username' => $username, 'password' => $password));        if ($query->num_rows() >= 1) {      echo "users found !!!!";            $newdata = array(                   'username'  => $username,                   'logged_in' => TRUE               );                     $this->session->set_userdata($newdata);      return true;    }    else    {      echo "no users found";      return false;    }  }}