听起来服务器间歇性地只是不想和你说话.如果是这样，那么您在PHP客户端上可能无能为力.

It sounds like the server intermittantly just doesn't want to talk to you. If so, there's probably not too much you can do from your PHP client.

建议:

增加连接超时>> 5

Increase your connect timeout >> 5