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You are here: Foswiki>System Web>Category>UserDocumentationCategory>Macros>VarHTTP (27 Feb 2018, UnknownUser)Edit Attach
HTTP -- get HTTP headers
- Called with the name of an HTTP request header field, returns its value. Capitalization and the use of hyphens versus underscores are not significant.
- Request headers are sent by the browser to the server. It is not possible to access the Response headers returned to the browser.
- Only returns headers permitted by site configuration. Returns ” if the header is not allowed.
- When called without a parameter, nothing is returned. See VarHTTPS for other options.
The HTTP and HTTPS macros are deprecated as of Foswiki release 2.1. and will be removed in a future release.Parameters
| Name | Description |
|---|---|
"name" |
Name of the header to get |
Examples
| Write | Returns | Notes |
|---|---|---|
%HTTP% |
Always returns ” | |
%HTTP{"Accept-language"}% |
en-US,en;q=0.5 | |
%HTTP{"User-Agent"}% |
CCBot/2.0 (https://commoncrawl.org/faq/) | |
%HTTP{"Cookie"}% |
Not allowed by default. |
You can see the HTTP headers your browser sends to the server on a number of sites e.g. http://www.ericgiguere.com/tools/http-header-viewer.htmlRelated
HTTPS, REMOTE_ADDR, REMOTE_PORT, REMOTE_USEREdit | Attach | Print version | History: r1 | Backlinks | View wiki text | Edit wiki text | More topic actions
Topic revision: r1 - 27 Feb 2018, UnknownUser
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