Pavel Smirnov - 2010-01-14

solution is as follows:
Replace anything that looks like this:
$_POST[$key2][$val2] = addslashes(htmlentities(strip_tags($val2, '<a>'), ENT_QUOTES));
With this:
$_POST[$key2][$val2] = addslashes(htmlentities(strip_tags($val2, '<a>'), ENT_QUOTES, 'UTF-8'));

This works - now can do whatever chars tested with Russian, Korean and Chinese