Finally, we can really unload and see all the cool OOP stuff that we haven't covered yet. These are the last missing pieces that are standing between you and understanding any OO code you meet.
__toString& the other magic functions
$objectlike an array (
Finally, you're going to start to see some serious pay-off from these new, crazy OO skills you've got. In this tutorial, OO is here to impress us. Dig in.