"); if (!$users_per_page) { $users_per_page = 20; } define (ITEM_LIMIT, 10000); // move this to db.inc at some point... function get_top_participants($offset,$sort_by) { global $users_per_page; if ($sort_by == "total_credit") { $sort_order = "total_credit desc"; } else { $sort_order = "expavg_credit desc"; } $res = mysql_query("select * from user order by $sort_order limit $offset,".$users_per_page); while ($arr[]=mysql_fetch_object($res)){}; return $arr; } // These converter functions are here in case we later decide to use something // else than serializing to save temp data // function participants_to_store($participants){ return serialize($participants); } function store_to_participants($data){ return unserialize($data); } if (isset($_GET["sort_by"])) { $sort_by = $_GET["sort_by"]; } else { $sort_by = "expavg_credit"; } $offset = get_int("offset", true); if (!$offset) $offset=0; if ($offset % $users_per_page) $offset = 0; if ($offset < ITEM_LIMIT) { $cache_args = "sort_by=$sort_by&offset=$offset"; $cacheddata=get_cached_data(TOP_PAGES_TTL,$cache_args); // Do we have the data in cache? // if ($cacheddata){ $data = store_to_participants($cacheddata); // use the cached data } else { //if not do queries etc to generate new data db_init(true); $data = get_top_participants($offset,$sort_by); //save data in cache // set_cache_data(participants_to_store($data),$cache_args); } } else { error_page("Limit exceeded - Sorry, first ".ITEM_LIMIT." items only"); } // Now display what we've got (either gotten from cache or from DB) page_head(tr(TOP_PARTICIPANT_TITLE)); user_table_start($sort_by); $i = 1 + $offset; $o = 0; while ($user = $data[$o]) { show_user_row($user, $i); $i++; $o++; } echo "\n

"; if ($offset > 0) { $new_offset = $offset - $users_per_page; echo "Previous ".$users_per_page." | "; } if ($o==$users_per_page){ //If we aren't on the last page $new_offset = $offset + $users_per_page; echo "Next ".$users_per_page.""; } page_tail(); ?>