Description:
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From manual page: http://www.php.net/function.get-headers
From manual page: http://www.php.net/function.get-meta-tags
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These are pretty nifty functions, but are currently listed under:

http://php.net/manual/en/ref.url.php

Is this really where they belong? I'm not sure what section of the documentation would be the right home for them, but URLs isn't it. The functions don't manipulate or parse a URL string, contribute to generating a URL, or have anything else relating to URLs other than they expect a URL as their primary argument.

It isn't just a matter of "it's kind of weird that these functions are listed here." I've actually never heard of them until today when someone referenced it in a SO post. I thought "these are neat, how have I not noticed them before?" and then saw they were under the URL function category. I'm pretty nerdy and will peruse function categories looking for neat functions I might not use regularly, and thus these were essentially hidden because I wouldn't really look for functions under URL functions that involve sending HTTP requests.