tag, even if passed a bad request == echo ''; // === Output different markers depending on the "?q" parameter switch ($_REQUEST["q"]) { case a: echo ''; echo ''; echo ''; break; case b: echo ''; echo ''; echo ''; break; case c: echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; break; } // === Always output the tag, even if passed a bad request == echo ''; ?>