If it's completely standard, and didn't let go at silly revs (c. 6800+, higher than redline) the 1.8 8v engine is non interference. I wouldn't even bother taking the head off, should be fine with just a new belt & tensioner.
If it's not standard ,ie got a higher lift cam, or the head or block have been decked to increase compression, or different pistons, then it's a problem.
1.1s, 1.3s and 16v are the only Mk2 Golf engines with interference.