用php做的paypal接口有关问题
用php做的paypal接口问题
返回值一直是INVALID是什么原因！谁有php的paypal接口类发一份给我，谢谢！
QQ：870672795
------解决方案--------------------
官方网站很多了，https://www.paypal-biz.com/developer/ 上面有详细的文档
------解决方案--------------------
https://www.paypal-biz.com/developer 照这做就行~~
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