We have a problem involving PHP forms submitting Japanese characters to a MySQL database. The forms work with one domain (a subdomain of the main Apache domain) but with another (a virtual domain) it garbles certain Japanese characters. The page and form are identical in both domains - One is a Phorum 3 installation that is symlinked to appear under both domains, the other is a part of a proprietary CMS system. Especially odd is that a Phorum 5 installation that is also set up to display under both domains does not have this problem.
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$100 reward to the person who solves this problem.