zhangjingyu 
} elseif ($action == 'favor') {
    $cachetime = pwFilemtime(D_P."data/bbscache/favor_sort.php");
    if (!$per || !file_exists(D_P."data/bbscache/favor_sort.php") || ($timestamp-$cachetime>$per*3600)) {
        $element = L::loadClass('element');
        $element->setDefaultNum(50);
        $_sort = array();
        $_SORTDB = $element->hotFavorsort();

        pwCache::writeover(D_P.'data/bbscache/favor_sort.php',"");
    } else {
        include pwCache::getPath(D_P."data/bbscache/favor_sort.php");
        $_SORTDB = $_FAVORS;
        unset($_FAVORS);
    }
备份一段代码，关于帖子收藏排行sort.php