You are right, as the server is not installed by me. So I don't know why there is an installation goes to /usr/local/bin/curl and that is the version cause the problem. Before I upgrade ubuntu, I guess /usr/local/bin/curl already there. After upgrade Ubuntu, I know there is a work copy in /usr/bin/curl. That's why I said in my first email:

"I make "ln -s /usr/bin/curl /usr/local/bin/curl" and I can run curl to access https in shell, however, phpinfo said curl not support https and so I can't access https using curl in php"

Is php calling libcurl in doing curl operations? If so, why it still not support https in php even I reinstall curl, libcurl, apache, php ?

On Mon, 23 Oct 2017, Arthur Tam wrote:

after I upgrade ubuntu to 16.04.3, I type "which curl" in shell and I found it is
running /usr/local/bin/curl but not /usr/bin/curl

I think you're confusing matters. Ubuntu doesn't install things in /usr/local, those are custom installed by you. The curl version is not put there by the Ubuntu installer.

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Received on 2017-10-26