case "insert_gallery":
        {
            $num_image = count($_FILES['img']['tmp_name']);
            for($i=0; $i<$num_image; $i++)
            {
		move_uploaded_file($_FILES['img']['tmp_name'][$i],"upload-data/".$_FILES['img']['name'][$i]);
		$url=$_FILES['img']['name'][$i];
		$name_file=$_FILES['img']['name'][$i];
		$str_name = str_replace( array('-', '_', '.jpg', '.png', '.gif'), ' ', $name_file );
		$uppercase_name = ucfirst($str_name);
                // Lấy giá trị các field từ form
                $gallery_title = $uppercase_name;
                $gallery_image = $url;
                $db=new Gallery();
                $db->insertGallery($gallery_title,$gallery_image);
            }
            header("Location: aController.php?action=insert_gallery_form");
        break;
        } // end insert-video