+       static function catchupArticlesById($ids, $cmode, $owner_uid = false) {
+       static function getLastArticleId() {
+       static function queryFeedHeadlines($params) {
+       static function getParentCategories($cat, $owner_uid) {
+       static function getChildCategories($cat, $owner_uid) {

move the rest of functions2.php back to functions.php as it is of more manageable size, remove the former