On Tue, 7 Dec 1999, Philipp Rotmann wrote:

> I understand that in such a way that I wrote the following code,
> which doesn't work :-)
> 
> if ($argc == 1) $id = $argv[0];
> if ($id) $article = mgd_get_article($id);
> $topic = mgd_get_topic($article->id);
> 
> (from code-init in my article page)
> 
> $topic is not set in this case...

article->id is the ID of the article. What you want is

if ($argv[0]) {
  $article = mgd_get_article($argv[0]);
  /* the ID in $argv[0] may be bogus. $article will be unset if so */
  if ($article) $topic = mgd_get_topic($article->topic);
}

Bye,
Emile


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