On Thu, 06 Jan 2000, Eric L. Brine wrote:
> > You have to store a reference to the hash, ie
> >
> > $Session->{Stuff} = \%stuff;
> > not
> > $Session->{Stuff} = %stuff;
>
>
> \%stuff is not a reference to a hash, it's a reference to each key and
> value in the hash. I don't think you'll ever have to use \ on arrays or
> hashes. The only way to get a hash ref is by using the {} operator. e.g.:
> {%stuff} Of course, you know how two copies of the data, so be careful.
{%stuff} is not a reference to %stuff. It's a reference to a newly created
hash. Be very careful using this syntax, it may not do what you expect it
to do:
%hash = (1 => 'perl');
$a = {%hash};
$hash{2} = 'apache';
print $a->{2};
If $a was a reference to %hash then it would print 'apache'.
--
<Matt/>
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