Erik W wrote:
> Hi guys,
>
> Is it a way to pass the reference of an object to
> subroutine?
> Maybe I am trying to do something stupid and
> unnecessary here, but I would like to know if it is
> possible, how to do it? Why is it stupid? Is there a better way?
> Thanks a lot!
>
> Here is the scripts:
>
> $CGI=new CGI;
> test(\$CGI);
> sub test {
> my ($CGI)[EMAIL PROTECTED];
> print $CGI->header(),
> $cgi->start_html(),
> "test!",
> print $cgi->end_html;
> }
>
> I got an error message for this like
> "Can't call method "header" on unblessed reference at test.pl line 6.
An object *is* a reference, so just pass $CGI, and not \$CGI to test.
If you pass it as \$CGI, you have to dereference it as:
print $$CGI->header, # note extra $
But that isn't necessary.
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