Re: Multiple Inheritance Concern

From: Date: Sat, 26 Dec 2009 02:15:10 +0000
Subject: Re: Multiple Inheritance Concern
References: 1  Groups: php.general 
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Daniel Kolbo wrote: > Hello PHPers, > > I've learned that php doesn't support multiple inheritance, b/c if you > need multiple inheritance usually it is a sign you've got a design > imperfection...or so they say. > > Well, I'm using a framework (Codeigniter), and i'm extending the core > libraries. The trouble is, I want to also extend a second custom class, > and I don't want to change the core codeigniter class definitions as > this makes for awkward upgrades. > > I read about mixins - no thank you. i do not want to even think about > mixins as it looks like it would be the source of all debug hell... > > What's a programmer to do? Is the only option i am really left with to > duplicate the code in each class? > > Thanks, > dK > ` I just found this in the archive: http://old.nabble.com/Multiple-Inheritance-td15717829.html That example Nathan provides of mixin is a lot cleaner than a different example (from a different poster on a different site) i was looking at. I could probably use the method Nathan proposed in a pretty clean way. i'm justified for using this multiple inheritance workaround to keep the core framework untouched? Does anyone else have a different approach or suggestion? Thanks, dK `

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