ความฉิบหายจาก PHP 8.1 & PDO

CREATE TABLE IF NOT EXISTS `dummy_people` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(100) DEFAULT NULL,
  `address` varchar(255) DEFAULT NULL,
  `test_double` double(20,9) NOT NULL,
  `add` date DEFAULT NULL,
  `update` date DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=122 ;

--
-- Dumping data for table `dummy_people`
--

INSERT INTO `dummy_people` (`id`, `name`, `address`, `test_double`, `add`, `update`) VALUES
(1, 'Madyson Cummerata', '332 Jast Knoll\nEast Carolanne, WA 70869-1568', 12.458100000, '1981-03-06', '2020-12-30'),
(2, 'Mrs. Kathlyn Olson', '', 0.000000000, '2000-12-16', '2005-09-06'),
(3, 'Freeda Hodkiewicz', '23132 Kovacek Alley Apt. 060\nHowellfort, NJ 47945', 0.000000000, '1996-02-12', '2006-01-07'),
(4, 'Shanny Weissnat', '63976 Huels Inlet\nSouth Noemiehaven, CA 60696-8648', 0.000000000, '2009-10-01', '2017-06-10'),
(5, 'Demarcus Huels', '627 Reynolds Plain\nNorth Nicoport, MD 72711-7777', 0.000000000, '1977-11-04', '1998-10-18'),
(6, 'Vivianne Ankunding', '', 0.000000000, '1992-07-01', '2009-10-09'),
(7, 'Mrs. Tiffany Zboncak III', '16701 Kariane Trafficway\nWest Marvinborough, AR 31211-7884', 0.000000000, '1970-02-18', '1992-12-11'),
(8, 'Prof. Aditya Marks DVM', '', 0.000000000, '1973-08-20', '1979-07-09'),
(9, 'Demarcus Reichel', '336 Ulises Gateway\nLehnerfurt, MS 11457', 0.000000000, '1976-06-10', '2002-07-22'),
(10, 'Dr. Clifford Pfannerstill III', '2171 Swift Street\nNew Elenora, NE 09377-3135', 0.000000000, '1974-04-07', '1995-08-17');

$db = 'test_generic-tests';
$dsn = 'mysql:host=localhost;dbname=' . $db . ';charset=utf8';
$user = 'user';
$pass = 'pass';
$options = [
    \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
    \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_OBJ,
];
$sql = 'SELECT * FROM `dummy_people` LIMIT 0, 1';
$PDO = new \PDO($dsn, $user, $pass, $options);
$result = $PDO->query($sql);
var_dump($result->fetchAll());
$result->closeCursor();
unset($PDO, $result);

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli('localhost', $user, $pass, $db);
$mysqli->set_charset('utf8mb4');
$result = $mysqli->query($sql);
var_dump($result->fetch_all());
$result->free_result();
$mysqli->close();
unset($mysqli, $result);