Does the ‘cat’ argument in query_posts fetch posts from subcategories as well as the given ID?
In short: Yes. Your question is about the query_posts WordPress PHP function. The link I’ve placed is the official wordpress codex documentation for that function. For your example it states: Display posts from only one category ID (and any children of that category): query_posts(‘cat=4’); I hope this information is helpful. You find more infos in … Read more