Re: Question regarding OO

On Fri, 2008-07-11 at 18:03 +0200, Yeti wrote: > <?php > > /* > > I have a question here regarding object orientation in PHP and any other > language. > > Let's start with some hypothetical code: > > */ > > // <--- 1st CLASS > > class ParkingLot { > > var size; // size in sq feet > > var max_number_of_cars; // how many cars there is space for > > function __construct($size, $max_cars) { > > $this->size = $size; $this->max_number_of_cars = $max_cars; > > } > > }; > > cpark = new ParkingLot(50000, 17); > > // <--- 2nd CLASS > > class ParkingSpace extends ParkingLot { Here's the point of your comfusion. ParkingSpace is not really a ParkingLot is it? I mean you could say a parking lot having a single parking space qualifies, but not really. I see you problem being similar to apples versus apple tree. You wouldn't do the following (would you?): <?php class AppleTree { } class Apple extends AppleTree { } ?> Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP