HttpResponse::setHeader Set header &reftitle.description; static boolHttpResponse::setHeader stringname mixedvalue boolreplacetrue Send an HTTP header. &reftitle.parameters; name the name of the header value the value of the header; if not set, no header with this name will be sent replace whether an existing header should be replaced &reftitle.returnvalues; &return.success; &reftitle.seealso; HttpResponse::getHeader