http_match_request_header Match any header &reftitle.description; boolhttp_match_request_header stringheader stringvalue boolmatch_case = FALSE Match an incoming HTTP header. &reftitle.parameters; header the header name (case-insensitive) value the header value that should be compared match_case whether the value should be compared case sensitively &reftitle.returnvalues; Returns &true; if header value matches, else &false;. &reftitle.seealso; http_match_etag http_match_last_modified