upload images

$this->form_validation->set_rules('li_article', 'Artikel', 'trim|required');
$this->form_validation->set_error_delimiters('<font color="red">', '</font>');
if ($this->form_validation->run() == FALSE)
		{
			//errors input type
			$data['penulis'] = $this->penulis_model->getAllPenulis();
			$data['gereja'] = $this->gereja_model->getAllPenulis();
			$this->template->load('template','user/adminlin/tambah',$data);
		}
else
{

/setting configuration uploads
$config['upload_path'] = './uploads/lintas';
$config['allowed_types'] = 'gif|jpg|png';
$config['max_size']    = '500';
$config['max_width']  = '1024';
$config['max_height']  = '768';
$this->upload->initialize($config);

//check if upload images
 if(!$this->upload->do_upload('foto'))
	{
		//errors shown
	}
else
{
	$image_info = getimagesize($_FILES["foto"]["tmp_name"]);
	$image_width = $image_info[0];
	$image_height = $image_info[1];
	if (($image_height=='600') and ($image_width=='600'))
	{
		//eksekusi insert to table
	}
	else
{
echo "images should match width and height!";
}

}
}