web_request->header

Returns a request header.

Target member

Signature

1web_request->header(name::string)

Returns a request header.

web_request->header is called with member syntax on a receiver value. web_request->header belongs at the request or response boundary. Treat visitor input as untrusted, validate before use, and encode values before writing them into HTML.

Parameters

name: Required value of type string. Supply name positionally unless the signature shows a keyword form.

Examples

Basic call

1web_request->header('User-Agent')

The example belongs near a request or response boundary; validate visitor input before trusting it.