On Tue, 06 Feb 2001, Bjoern Hoehrmann wrote:
> >NULL == not set
> Great analysis. What about answering the question? Stanislav Malyshev
> said some months ago this is 'strange', see the discussion around bug
> 6076. Tell us at least, why this actually isn't strange.

By default, any unset variable has value NULL - and isset(NULL) returns
false to indicate that. Similarly, assigning NULL to a variable unsets

* The great thing about standards is that there are so many to choose from. *

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