Let's take a look at how to create a vBulletin hack. The hack we're going to be developing here is one that allows you to control how vBulletin handles private message receipts. As we saw in Chapter 3, private messages, known as PMs, are messages that one member can send to another member of the board.
The member types a message into the private message window and then clicks on the Submit Message button.
The recipient can collect the message the next time they log in (or, if they are already logged in, the next time they request a new page from the board).
But there's one feature that seems to annoy some members (especially if it's a popular board where the members make a lot of use of the PM facility). This is the read receipt feature. When a PM is submitted, a message box is displayed asking the sender whether they want to request a read receipt.
Read receipts are a useful feature, but the problem is the message box displayed—people find it gets in the way and often they...