Untitled

//Model

      public static function findById($id)
      {
            $db = new Db();
            $sql = 'SELECT * FROM ' . static::TABLE . ' WHERE `id` = :id';
            return $db->query($sql, static::class, [':id' => $id])[0] ?? false;
      }

http://php-2/DZ-1/article.php?id=not found

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Моя новость </title>
</head>
<body>

    <h1><?php echo $article->title; ?></h1>
    <p><?php echo $article->content; ?></p>

</body>
</html>

Notice: Trying to get property 'title' of non-object in