public function trans_final_save()
 {
     $no_meja = $this->input->post('no_meja');
     $no_nota = $this->input->post('no_nota');
     $cash = $this->input->post('cash');
     $totalbayar = $this->input->post('jml_gtotal');
     $bayar = str_replace(array('.'), '', $cash);
     $kembalian = $bayar - $totalbayar;
     $data = array('tgl_update' => date('Y-m-d H:i:s'), 'tot_bayar' => $bayar, 'tot_kembali' => $kembalian, 'status_payment' => 'paid', 'status_meja' => 'inactive');
     crud::update('tbl_orderlist', 'no_nota', general::dekrip($no_nota), $data);
     crud::update('tbl_meja', 'id', general::dekrip($no_meja), array('status' => '0'));
     redirect(base_url());
 }