[development] HTTP headers to get the head of the page

Dipen dipench at gmail.com
Sun Dec 6 15:51:24 UTC 2009

Hi nitin,

 It would return Content-Length as the main application of using HEAD is for
proxies to find if the cached copy can be used or not, availability of
Content-Length is mandatory to do those kind of checks. In any case you must
be getting a redirection maybe 301, 302 in status code so you would need to
follow the location.

For example I just tried looking for header info on
http://facebook.com/login.php and I got a redirection 301 to
www.facebook.com/login.php and in that location u would receive

I used this tool : http://www.rexswain.com/httpview.html

First try with www.facebook.com/login.php and it would give u content-Length
in first hit ( do not forget to use HEAD as method type)

Then try with http://facebook.com/login.php and auto follow enabled and this
time u would get it in the location 2.


On Sun, Dec 6, 2009 at 9:08 PM, nitin gupta <nitingupta.iitg at gmail.com>wrote:

> Thanks Dipen, It works perfectly well. Thanks for making me aware of the
> HEAD method.
> The headers does not contain "content-length" when invoked on a .php page,
> is this in accordance with the protocol?
> --
> Regards,
> Nitin Kumar Gupta
> http://publicmind.in/blog/
> On Sun, Dec 6, 2009 at 8:46 PM, Dipen <dipench at gmail.com> wrote:
>> I havent tried it doing it with drupal but try passing method = HEAD.
>> HEAD /index.html
>> would fetch only headers of that resource, where as GET for instance would
>> also return the content.
>> Cheers
>> dipen
>> On Sun, Dec 6, 2009 at 7:52 PM, nitin gupta <nitingupta.iitg at gmail.com>wrote:
>>> Hi,
>>> I am currently using curl (CURLOPT_NOBODY) to exclude the body and to
>>> just get the headers returned by the sever for a http request. I am
>>> specifically interested in the return status code and the content length.
>>> Can I do it using drupal_http_request? What will be the suitable value for
>>> the $headers, so that I don't need to download the whole page?
>>> http://api.drupal.org/api/function/drupal_http_request/6
>>> --
>>> Regards,
>>> Nitin Kumar Gupta
>>> http://publicmind.in/blog/
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