CategoryModel::joinRecentChildPosts PHP Method

    public static function joinRecentChildPosts(&$Category = null, &$Categories = null)
    {
        if ($Categories === null) {
            $Categories =& self::$Categories;
        }
        if ($Category === null) {
            $Category =& $Categories[-1];
        }
        if (!isset($Category['ChildIDs'])) {
            return;
        }
        $LastTimestamp = Gdn_Format::toTimestamp($Category['LastDateInserted']);
        $LastCategoryID = null;
        if ($Category['DisplayAs'] == 'Categories') {
            // This is an overview category so grab it's recent data from it's children.
            foreach ($Category['ChildIDs'] as $CategoryID) {
                if (!isset($Categories[$CategoryID])) {
                    continue;
                }
                $ChildCategory =& $Categories[$CategoryID];
                if ($ChildCategory['DisplayAs'] == 'Categories') {
                    self::JoinRecentChildPosts($ChildCategory, $Categories);
                }
                $Timestamp = Gdn_Format::toTimestamp($ChildCategory['LastDateInserted']);
                if ($LastTimestamp === false || $LastTimestamp < $Timestamp) {
                    $LastTimestamp = $Timestamp;
                    $LastCategoryID = $CategoryID;
                }
            }
            if ($LastCategoryID) {
                $LastCategory = $Categories[$LastCategoryID];
                $Category['LastCommentID'] = $LastCategory['LastCommentID'];
                $Category['LastDiscussionID'] = $LastCategory['LastDiscussionID'];
                $Category['LastDateInserted'] = $LastCategory['LastDateInserted'];
                $Category['LastTitle'] = $LastCategory['LastTitle'];
                $Category['LastUserID'] = $LastCategory['LastUserID'];
                $Category['LastDiscussionUserID'] = $LastCategory['LastDiscussionUserID'];
                $Category['LastUrl'] = $LastCategory['LastUrl'];
                $Category['LastCategoryID'] = $LastCategory['CategoryID'];
                //            $Category['LastName'] = $LastCategory['LastName'];
                //            $Category['LastName'] = $LastCategory['LastName'];
                //            $Category['LastEmail'] = $LastCategory['LastEmail'];
                //            $Category['LastPhoto'] = $LastCategory['LastPhoto'];
            }
        }
    }