Why is createip null? Why is $_SERVER['REMOTE_ADDR'] empty?

Wed, 06 Apr 2016 06:45:22 +0000

I am still wondering when createip is null.

function qa_remote_ip_address() is obviously creating the IP address by:

return @$_SERVER['REMOTE_ADDR'];

I think the function should be expanded by:

public function getRemoteIPAddress() {
    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
        return $_SERVER['HTTP_CLIENT_IP'];

    } else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { 
        return $_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    return $_SERVER['REMOTE_ADDR'];
}

From http://stackoverflow.com/a/19311275/1066234

To get the IP in all cases.


PS: Just stumbled over https://github.com/q2a/question2answer/pull/240 but there is no solution.

Basically: Why is the IP null?


*** Gosh, can you just add the "source" button to the ckeditor so we can edit/clean the html. Cannot get rid of this formatting here.

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Why is createip null? Why is $_SERVER['REMOTE_ADDR'] empty?