do security checks *after* checking captcha
4 times "elseif" is not the way

and precalc. value sometimes help if well commentent
Merge https://github.com/vichan-devel/vichan
class around poster IDs
Merge https://github.com/vichan-devel/vichan
Merge branch 'master' of https://github.com/ctrlcctrlv/8chan