redirect

<?php
  class insert extends CI_Controller{

        public function  __construct() {
            parent::__construct();
            $this->load->model('Train_model');
            $this->load->model('input_model','IM');
    }

    public function input () {

        $STREAM = $this->input->post('stream');
        $KODE_M = $this->input->post('materi');
        $KODE_LC = $this->input->post('lc');
        $KODE_INST = $this->input->post('inst');
        $KODE_UBIS = $this->input->post('ubis');
        $ANGKATAN = $this->input->post('ang');
        $TGL_MULAI = $this->input->post('tgl_awal');
        $TGL_AKHIR = $this->input->post('tgl_akhir');
        $ANGGARAN = $this->input->post('ang');
        $PST_A = $this->input->post('pst');

        $this->IM->input_plan($STREAM, $KODE_M, $KODE_LC, $KODE_INST, $KODE_UBIS,$ANGKATAN,$TGL_MULAI,$TGL_AKHIR,$ANGGARAN,$PST_A);
echo "<script>alert ('Data Berhasil disimpan');</script>";
        redirect('combo/','refresh');





    }

    }

?>