$product_data[] = array(
'cart_id'         => $cart['cart_id'],
'product_id'      => $product_query->row['product_id'],
'name'            => $product_query->row['name'],
'model'           => $product_query->row['model'],
'shipping'        => $product_query->row['shipping'],
'isbn'        => $product_query->row['isbn'],
'image'           => $product_query->row['image'],
'option'          => $option_data,
'download'        => $download_data,
'quantity'        => $cart['quantity'],
'minimum'         => $product_query->row['minimum'],
'subtract'        => $product_query->row['subtract'],
'stock'           => $stock,
'price'           => ($price + $option_price),
'total'           => ($price + $option_price) * $cart['quantity'],
'reward'          => $reward * $cart['quantity'],
'points'          => ($product_query->row['points'] ? ($product_query->row['points'] + $option_points) * $cart['quantity'] : 0),
'tax_class_id'    => $product_query->row['tax_class_id'],
'weight'          => ($product_query->row['weight'] + $option_weight) * $cart['quantity'],
'weight_class_id' => $product_query->row['weight_class_id'],
'length'          => $product_query->row['length'],
'width'           => $product_query->row['width'],
'height'          => $product_query->row['height'],
'length_class_id' => $product_query->row['length_class_id'],
'recurring'       => $recurring
);