### 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"}%
- **_%X% Note:_** You can see the HTTP headers your browser sends to the server on a number of sites e.g.
- Related: [[HTTPS|Main/VarHTTPS]], [[REMOTE_ADDR|Main/VarREMOTEADDR]], [[REMOTE_PORT|Main/VarREMOTEPORT]], [[REMOTE_USER|Main/VarREMOTEUSER]]