Re: Re: Enforce a constant in a class.

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2010/1/22 Pete Ford <pete@xxxxxxxxxxxxx>:
> IMHO, a constant is not the correct beastie in this case - if you want it to
> be different depending on the implementation then it ain't a constant!
>
> You should probably have protected static variables in the interface, and
> use the implementation's constructor to set the implementation-specific
> value (or override the default)
>
> interface SetKillSwitch
> {
>        protected static $isSet = TRUE;
>        protected static $notes;
>        protected static $date = '2010-01-22T11:23:32+0000';
> }
>
> class KilledClass implements SetKillSwitch
> {
>        public function __construct()
>        {
>                self::$isSet = FALSE;
>                self::$date = '2010-01-21T09:30:00+0000';
>                self::$notes = "Test";
>        }
> }
>
> Cheers
> Pete Ford

And of course, "Fatal error: Interfaces may not include member variables".



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