使用PayPal支付网关，其中所有添加到购物车中的产品都是通过其形式以及用PHP生成的方式发布的
<?php
while ($stmt->fetch()) {
$key = array_search($id_product, $items);
$total = $total + $price * $qty[$key];
?>
<input name="item_number_<?php echo $num;?>" type="hidden" value="<?php echo $id_product; ?>">
<input name="item_name_<?php echo $num;?>" type="hidden" value="<?php echo $product; ?>">
<input name="amount_<?php echo $num;?>" type="hidden" value="<?php echo number_format($price,2);?>">
<input name="quantity_<?php echo $num;?>" type="hidden" value="<?php echo $qty[$key];?>">
<?php
$num++;
}
?>
及其值的返回：
Array
(
[payer_email] => testing-instructor@site.com
[payer_id] => J95XSJRX4WXVS
[payer_status] => VERIFIED
[first_name] => Milck
[last_name] => Jmkc
[address_name] => Milck …