Datebase artice ID

I want to get the ID of the article, such as flarum.org/d/123 What syntax do I need to get 123 from the database?

I don't know the structure of flarum yet, so I don't know much about it.

The SQL statement is SELECT id FROM discussions ORDER BY ID ASC

How can I get it through PHP? such as ：$row = $model->where(['discussion'])->order('id asc')->limit($pagesize);

In fact, I don't know which controllers to reference on my PHP page

\Flarum\Discussion\Discussion::orderBy('id', 'asc')->limit($pagesize)->get();

You can check the Laravel docs on how to use Eloquent.

luceos Thank you!