index.php

<?php

class Todo
{
    private $description;
    private $completed;
    private $due;

    public function __construct($description = '', $completed = 0, $due = 'tomorrow')
    {
        $this->description = $description;
        $this->completed = $completed;
        $this->due = $due;
    }

    public function setDescription($description)
    {
        $this->description = $description;
    }

    public function setCompleted($completed)
    {
        $this->completed = $completed;
    }

    public function setDue($due)
    {
        $this->due = $due;
    }
}

$host = "127.0.0.1";
$port = "3306";
$username = "root";
$password = "";

//By default, wrap a PDO inside a try-catch statement!
try {
    $pdo = new PDO("mysql:host={$host};port={$port};dbname=test", $username, $password);
    echo "Connected successfully";
} catch (PDOException $e) {
    die("Connection failed: " . $e->getMessage());
}

//Prepare statement (not executed yet)
$statement = $pdo->prepare("SELECT * FROM todos");

//Execute it
$statement->execute();

echo "\n\PDO:\n\n";
//Store all data inside an object
//Works completely fine on private props!
$todos = $statement->fetchAll(PDO::FETCH_CLASS|PDO::FETCH_PROPS_LATE, Todo::class);

var_dump($todos);