fungsi_input

function input(){
        $config = array(
                        'upload_path'=>'./uploads',
                        'allowed_types'=>'jpg|png|jpeg',
                        'max_size'=>2086
                        );
        $this->load->library('upload',$config);
        $this->upload->do_upload('gambar');

        $finfo = $this->upload->data(
        );
        $nama_foto = $finfo['file_name'];

        $judul = $this->input->post('judul');
        $tebal = $this->input->post('tebal');
        $penerbit = $this->input->post('penerbit');

        //------------------------------------------

        $data_buku = array(
                    'judul'=>$judul,
                    'tebal'=>$tebal,
                    'penerbit'=>$penerbit,
                    'gambar'=>$nama_foto
                        );

        $config2 = array(
                'source_image'=>'uploads/'.$nama_foto,
                'image_library'=>'gd2',
                'new_image'=>'uploads/thumbnail',
                'maintain_ratio'=>true,
                'width'=>150,
                'height'=>200
            );
        $this->load->library('image_lib',$config2);
        $this->image_lib->resize();
        $this->M_buku->tambah_data($data_buku);

        redirect('C_buku');
    }