public function friend($name)
{
    $arr = explode(" ",$name);
    $fname = $arr[0];
    $lname = $arr[1];

    $this->db->select('*');
    $this->db->from('client');
    $where = "fname='".$fname."' and lname='".$lname."'";
    $this->db->where($where);
    $sql = $this->db->get();
    if($sql->num_rows() > 0)
    {
        $result = $sql->result_array();
        return $result;
    }
    else
    {
        $this->session->set_userdata('err','<p style="color:red;">No information found!</p>');
    }
}