| Re: define ('NL', "<br />"); can I define a constant var ? [message #180189 is a reply to message #180186] |
Wed, 23 January 2013 01:03   |
Peter H. Coffin
Messages: 245
Registered: September 2010
Karma:
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Senior Member |
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On Wed, 23 Jan 2013 00:51:20 +0100, J?rn Andersen wrote:
> I do understand the basics about scope, so that makes sense - and I
> would probably have used constants a bit more if I had been aware that
> constants work across scopes ...
>
> Is there any reason why it is better/worse to use constants instead of
> global $var in functions?
Well, the other thing is that constants are ... well, constant. They
don't change, nothing in the code running can affect them. They won't
get screwed up by logical or programming errors, like mistaking = for
==.
--
I think it's a beautiful day to go to the zoo and feed the ducks.
To the lions.
-- Brian Kantor
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