// get the related anchor, if any if ($anchor) { $anchor = Anchors::get($anchor); } // required to format the roster load_skin('users'); // stop crawlers if (Surfer::is_crawler()) { Safe::header('Status: 401 Unauthorized', TRUE, 401); Logger::error(i18n::s('You are not allowed to perform this operation.')); // an anchor is mandatory } elseif (!is_object($anchor)) { Safe::header('Status: 404 Not Found', TRUE, 404); die(i18n::s('No anchor has been found.')); // provide updated information for this anchor } else { // silently record this visit Visits::track($anchor->get_reference(), $anchor->get_active()); // return an updated list of current visitors, to be used in AJAX $output = Visits::list_users_at_anchor($anchor->get_reference()); // ensure we are producing some text -- open links in separate pages if (is_array($output)) { $output =& Skin::build_list($output, 'compact', NULL, TRUE); } // actual transmission except on a HEAD request if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] != 'HEAD') { echo $output; } // the post-processing hook, then exit finalize_page(TRUE); }