public static function allByUser($user_id) { parent::dbConnect(); $query = "SELECT * FROM " . self::$table . " WHERE user_id = :user_id"; $stmt = parent::$dbc->prepare($query); $stmt->bindValue(':user_id', (int) $user_id, PDO::PARAM_INT); $stmt->execute(); $ads = $stmt->fetchAll(PDO::FETCH_ASSOC); return $ads; }