You can Upload any number of Files..
$config['upload_path'] = 'upload/Main_category_product/';
$path=$config['upload_path'];
$config['allowed_types'] = 'gif|jpg|jpeg|png';
$config['max_size'] = '1024';
$config['max_width'] = '1920';
$config['max_height'] = '1280';
$this->load->library('upload', $config);
foreach ($_FILES as $fieldname => $fileObject) //fieldname is the form field name
{
if (!empty($fileObject['name']))
{
$this->upload->initialize($config);
if (!$this->upload->do_upload($fieldname))
{
$errors = $this->upload->display_errors();
flashMsg($errors);
}
else
{
// Code After Files Upload Success GOES HERE
}
}
}