ipb - IPB：相当于 $this->registry->class_forums->forum_by_id

Question

你好，

我想知道与

$this->registry->class_forums->forum_by_id[ $forumid ];

但对于帖子？

我以为是这样的：

$this->registry->classPost->post_by_topic_id[ $topic_id ];

但它不会工作。你能给我一个提示吗？

谢谢你。