redirect

<?php class Teman extends CI_Controller{
    function __construct(){
        parent::__construct();
        $this->load->model('m_teman');
 }
 function index(){
     redirect('teman/tambah');
 }

 function tambah(){
     $this->form_validation->set_rules('nama','Nama Teman','required');
     $this->form_validation->set_rules('alamat','Alamat Teman');
     $this->form_validation->set_message('required','%s tidak boleh kosong');
     if($this->form_validation->run() == FALSE){
         $this->load->view('tambah_teman');

     }else{
         $nama = $this->input->post('nama');
         $alamat = $this->input->post('alamat');
         $tgl = $this->input->post('tanggal');
         $hape = $this->input->post('hape');
         $data = array(
             'namateman'=>$nama,
             'alamat'=>$alamat,
             'tgllahir'=>$tgl,
             'nope'=>$hape
                 );
         $this->m_teman->simpanteman($data);
         $this->session->set_flashdata('pesan','<font color="green">Data berhasil dismpan</font>');
         redirect('teman/tambah');

     }
} //end of class
}