启用OpenSSL扩展并不意味着其配置正确.

Having the OpenSSL extension enabled does not mean it is configured correctly.

它无法验证getcomposer.org的证书.这意味着某些中间人服务器将您的请求弄乱了，或者您以某种方式未配置默认的CA权威集合.您的服务器操作员可以告诉您更多信息.

It fails to validate the certificate for getcomposer.org. That means either some man-in-the-middle server messes with your request or you somehow did not configure the set of default CA Authorities. Your server operator can tell you more.