HTTP -- get HTTP headers
Called with the name of an HTTP header field, returns its value. Capitalization and the use of hyphens versus underscores are not significant.
Syntax:
%HTTP%
Syntax:
%HTTP{"Header-name"}%
Examples:
%HTTP%
%HTTP{"Accept-language"}%
%HTTP{"User-Agent"}%
Mozilla/5.0
AppleWebKit
?
/537.36 (KHTML, like Gecko; compatible;
ClaudeBot
?
/1.0;
+claudebot@anthropic.com
)
Note:
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.html
Related:
HTTPS
,
REMOTE_ADDR
,
REMOTE_PORT
,
REMOTE_USER