Re: OOP question regarding class extension

On Mon, Mar 19, 2001 at 01:58:39PM -0500, Altunergil, Oktay wrote: > As far as I know a class can extend multiple classes. What you can't do -in > PHP- is two create a class that inherits from multiple parent classes > (multiple inheritence). I believe this is available in C++ and Java and > others. I also think the reason it is not available in PHP is because > inheriting from multiple classes tend to cause ambiguity when both of the > parent classess have a function with the same definition etc. > > (I'm not an expert in this.. I'm just passing along what I have read). Right. You can extend a chain of classes, but you can't have a singular class extend from multiple classes directly. That is, this works: Apple extends Fruit Fruit extends Food This doesn't: Apple extends Fruit and Produce Matt > -----Original Message----- > From: John Guynn [mailto:John.Guynn@telescan.com] > Sent: Monday, March 19, 2001 1:47 PM > To: Php (E-mail) > Subject: [PHP] OOP question regarding class extension > > > Can one class extend multiple classes? I'm still playing with OOP > functionality and maybe my logic is reversed but I think I need one class to > extend many others. > > John Guynn > > This email brought to you by RFCs 821 and 1225. > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net