; rel=shorturl"); } if ($config["cache"]) { if (is_numeric($config["cache"])) { $timestamp = $config["cache"]; } else { $timestamp = filemtime($_SERVER["DOCUMENT_ROOT"] . "/" . $_SERVER["BASE_PAGE"]); } $tsstring = gmdate("D, d M Y H:i:s ", $timestamp) . "GMT"; if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && $_SERVER["HTTP_IF_MODIFIED_SINCE"] == $tsstring) { header("HTTP/1.1 304 Not Modified"); exit; } header("Last-Modified: " . $tsstring); } if (!isset($config["languages"])) { $config["languages"] = []; } ?>