Hmm your parameters on that iplog function doesn't really make sense as you're overriding them just below.

Also you may need to know that some of the _SERVER values such as HTTP_CACHE_CONTROL, HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR. Even HTTP_USER_AGENT may emit an E_NOTICE because its not required and requests sent to the script with eg. curl or custom made programs may not send get User-Agent header.

Also the _GET['cookie'], unless its script specific and you want to get all the cookies then you should use the _COOKIE magic array ofcourse :)

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