public static function getList($numRows=1000000, $categoryId=null, $order="publicationDate DESC") {

                $conn = new PDO(DB_DNS, DB_USERNAME, DB_PASSWORD);

                $categoryClause = $categoryId ? "WHERE categoryId = :categoryId" : "";

                $sql = "SELECT SQL_CALC_FOUND_ROWS *, UNIX_TIMESTAMP(publicationDate) AS publicationDate

           ORDER BY " . mysql_escape_string($order) . " LIMIT :numRows";

                $sth = $conn->prepare($sql);

                $sth->bindValue(":numRows", $numRows, PDO::PARAM_INT);

                $sth->execute();

                $list = array();

               

                while($row = $sth->fetch()) {

                        $article = new Article($row);

                        $list[] = $article;

                }

                $sql = "SELECT FOUND_ROWS() AS totalRows";

                $totalRows = $conn->query($sql)->fetch();

                $conn = null;

                return(array ("results" => $list, "totalRows" => $totalRows[0] ));

        }