PHP Timer Help

Can someone Give me a PHP code or another scrip to do the fallowing;


I put in in a profile spot, that only admins can edit and it:

Counts up from 10 or 13, every 2 months

So it starts at like 10, and in 2 months it turns to 11, and in 2 more months it turns to 12, and so on and so on


I know it's possible because the points system can give points every day of activity.... but I can't use that because I want it for every 2 months.... and it would be a hassle to do that manually for every member


It would be nice if it worked so it is viewed as text... but it's "not" a "have to" thing

php doesnt work with forumotion.