TalkPHP - Function overwriting

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Nor	02-27-2008 05:45 PM

Function overwriting

Is it possible(maybe in php future) that when you extend a class that you can disable function overwriting or does it apply to the final class php5 uses?

Code:

class x

{

   final function base()

   {

       echo 'main';

   }

}

class y extends x

{

   function base()

   {

       echo 'main2';

   }

}

will it error out or is it possible to stop the error and allow access to the root class without overwriting that function.

Code:

$cls = new y();

$cls->base();//would this output main?

Wildhoney

02-27-2008 06:37 PM

If the function in the parent didn't have the final keyword attached to it then it would echo out main2. However, as you've applied the final keyword, then a fatal PHP error will be evoked.

Quote:

Fatal error: Cannot override final method x::base() in C:\wamp\www\f.php on line 16

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