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paypal回来状态不成功

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Release: 2016-06-13 12:36:47
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paypal返回状态不成功?
我现在做一个paypal的支付接口,去付款以后返回验证的状态,失效,既不成功也不失败,是怎么回事?
if (strcmp ($res, "VERIFIED") == 0)
{
insert into table (a,b) values(1,2);
}else if (strcmp ($res, "INVALID") == 0) {
insert into table (a,b) values(11,22);
return flase;
}

在这里面两个都不执行,这个ipn是在官网下的?难道是错的?没有返回东西?求解!

paypal 支付
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