build my own function of SSI in SMF of simple machines forum script

SMF is the simple machines forum script, available for free (open source) from [login to view URL] My forums use version smf1.1.11 SMF uses a special file called [login to view URL] to generate all sorts of reports. I have made this request there [login to view URL] and asked: How can I use SSI (or anything else) with smf 1.1.11 to generate a list of 1. the members who started discussion topics in the current month 2. and what are their titles ? 3. how many those topics are ? that is to generate a report like the following: users who started new discussion topics this month ********************************************* user | topics | total user1 | topic1 | 3 topic2 topic3 user2 | topic5 | 2 topic6