Hi,
I called it like this because:
<? function twalk($id) {
55: if (!$id || !($t = mgd_get_topic($id))) return;
56: twalk($t->up);
57: printf(' / <a href="/topic/%d.html">%s</a> ', $t->id,
htmlentities($t->name));
58: }
59: if ($topic) { twalk($topic->up); ?> / &(topic.name); <? } else echo
'top level topic'; ?>
greetings
Piotras
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