How to display the average value of two field in postbit
Asume that my user table has two columns .One is votetotal and the other is votenum.I can print the value of them in postbit just using : post[votetotal],and post[votenum].However,i only want to print the average value of them when votenum>0 and 0 when votenum<0.
How can i do that?