After my post Getting Recent Posts In WordPress before, I am thinking about getting the most popular posts or most commented posts. Talking about most popular posts, are those most posts commented mean they are most popular. Not really, there may be some posts, they've been read many times, but people seldom leave comments, aren't they popular? So at the first place, I thought popular posts should be calculated by both view count and comment count. But when I go deep to coding, I found...