php - 在 DNS 缓存 paypal curl 响应中找不到主机名

Question

我正在尝试使用带有 CURL 的经典 PHP API 获取 PayPal 交易历史记录、交易详细信息和 PayPal 余额。我正在为此运行 cron。我得到正确的回应，但也收到以下错误。可能是什么原因和可能的解决方法？

Hostname was NOT found in DNS cache
Trying 173.0.82.83...
Connected to api-3t.sandbox.paypal.com (173.0.82.83) port 443 (#0)
successfully set certificate verify locations:
CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
Server certificate:
subject: C=US; ST=California; L=San Jose; O=PayPal, Inc.; OU=PayPal    Production; CN=api-3t.sandbox.paypal.com
start date: 2013-08-01 00:00:00 GMT
expire date: 2015-09-18 23:59:59 GMT
issuer: C=US; O=VeriSign, Inc.; OU=VeriSign Trust Network; OU=Terms of use at https://www.verisign.com/rpa (c)10; CN=VeriSign Class 3 Secure Server CA - G3
SSL certificate verify ok.
> POST /nvp HTTP/1.1
Host: api-3t.sandbox.paypal.com
Accept: */*
Content-Length: 163
Content-Type: application/x-www-form-urlencoded

upload completely sent off: 163 out of 163 bytes < HTTP/1.1 200 OK <  Date: Tue, 16 Jun 2015 06:00:14 GMT
Server Apache is not blacklisted
Server: Apache
Connection: close
Content-Length: 147
< Set-Cookie:X-PP-SILOVER=name%3DSANDBOX3.API.1%26silo_version%3D880%26app%3Dappdispatcher_apit%26TIME%3D1857781589; domain=.paypal.com; path=/; Secure; HttpOnly < Set-Cookie: X-PP-SILOVER=; Expires=Thu, 01 Jan 1970 00:00:01 GMT < Content-Type: text/plain; charset=utf-8 <
* Closing connection 0

Answer 1

是的，我找到了解决方案。我将 curl 版本降低到 7.33 以下，它对我有用。