validasi

public function do_upload()
	 {
		$this->form_validation->set_error_delimiters('<div class="error">', '</div>');
		$this->form_validation->set_rules('judul', 'judul', 'required');
		$this->form_validation->set_rules('ket', 'ket', 'required');
		$this->form_validation->set_rules('tgl', 'tgl', 'required');
		$this->form_validation->set_rules('berlaku', 'berlaku', 'required');


		if ($this->form_validation->run() == FALSE)
		{
		  $header = array(
         'title'     =>'Welcome to my Website'
		);
		$content = array(
         'article'   =>'Lorem Ipsum Dolor Sit Amet'
		);
		$data['data_to_load'] = array($header,$content);
		$data['tmp_file']='promo/input';
		$this->load->view('index',$data);
		}

		else
		{

		 $config['upload_path'] = "./gambar/"; //lokasi folder yang akan digunakan untuk menyimpan file
		 $config['allowed_types'] = 'gif|jpg|png|JPEG'; //extension yang diperbolehkan untuk diupload
		 $config['file_name'] = url_title($this->input->post('file_upload'));
		$this->upload->initialize($config); //meng set config yang sudah di atur
		 if( !$this->upload->do_upload('file_upload'))
		 {

				echo $this->upload->display_errors();


		 }
		 else{
		 $data = array(
		 'gambar'=>$this->upload->file_name,
		 'judul' => $this->input->post('judul'),
		 'ket' => $this->input->post('ket'),
		 'tgl' => $this->input->post('tgl'),
		 'masa_berlaku' => $this->input->post('berlaku'),
		 );

		 //$this->crud->insert($data,'images');

		 $this->promosi_model->addProduct($data);
		 redirect('promosi');
		 }
		}
	 }