Menu
Community /Pin to ProfileBookmark
@NogDogSep 19.2006 — #Generally, I would reserve extending of classes for creating more specific cases of the extended class, e.g.:
If all your above classes need to use your Database class, for example, then I'd probably instantiate it in the SportsTeam class:
Caveat: I'm not claiming this is accepted "best practice" in the object-oriented world, it just make more sense to me, personally.
using multiple classes
i want to have a class (usually the app) call many different classes to help it run.
is the best way to have the app class create an instance of each of the sub classes? or i could i have the app class extend all of the sub classes? or is there a better way of handling this?
Sign in
to post a comment6 Comments(s) ↴
0
@NogDogSep 19.2006 — #Generally, I would reserve extending of classes for creating more specific cases of the extended class, e.g.:[code=php]
class NationalLeagueTeam extends BaseballTeam extends SportsTeam
[/code]If all your above classes need to use your Database class, for example, then I'd probably instantiate it in the SportsTeam class:
[code=php]
<?php
require_once "Database.class.php";
class SportsTeam
{
var $db;
function SportsTeam()
{
$this->db = new Database();
}
}
?>
[/code]Caveat: I'm not claiming this is accepted "best practice" in the object-oriented world, it just make more sense to me, personally.