DB classes with OOP (rewriting code), best solution?

Hi guys,
I'm about to rewriting code using OOP.
I started with the db connection (PDO).
I turned this:

$dsn_test = "mysql:host=localhost;dbname=xxx50;charset=utf8mb4";
$options = [
PDO::ATTR_EMULATE_PREPARES […]

See original post by invalid@example.com (iago111)