http_build_str Build query string &reftitle.description; stringhttp_build_str arrayquery stringprefix stringarg_separator Opponent to parse_str(). &reftitle.parameters; query associative array of query string parameters prefix top level prefix arg_separator argument separator to use (by default the INI setting arg_separator.output will be used, or "&" if neither is set &reftitle.returnvalues; Returns the built query as string on success or &false; on failure.