Reverse for loop?

[Anon]

I have a for loop like this:

for ($counter=1; $counter <= $loopmax; $counter++)

where loopmax is the highest the loop will go. Now how can I have the $counter variable go from the highest number (loopmax) to 1?

[Anon]

for ($counter=$loopmax; $counter > 1; $counter--)