On 19 April 2010 10:30, Gary . <php-general@xxxxxxxxxxxxxxx> wrote:
> Should I be able to do this:
>
> class X
> {
> const FOO = 'foo';
> const FOOBAR = X::FOO . 'bar';
>
> ...
> }
>
> ?
>
> Because I can't. I get "syntax error, unexpected '.', expecting ',' or
> ';'". I assume this is because the constants are like statics which
> can't be initialised by functions etc. but is there really any logic
> behind this?
>
It very often pays to read the PHP docs. From
http://pl.php.net/manual/en/language.oop5.constants.php :
"The value must be a constant expression, not (for example) a
variable, a property, a result of a mathematical operation, or a
function call. "
So no, you shouldn't be able to do that.
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