OOP: Storing an object in a property of another object?

Question

PHP

Such is the task. For example, I have a PDO object. I create it in the constructor of the main class and assign it to a property of this class to access it from other methods of this class. In the future, to pass it to third-party controllers through action arguments, like this:
$Obj->actionName($this->MyPdoObj)
Question: am I doing it right?

Answer 1

Everything is OK, no set of objects is created, links to the same object are stored.

Answer 2

You can probably use a getter to access this PDO, rather than passing this object every time you need it.