truncate - utf8

Hello,

I'm use utf-8 database, file / template encoding, headers,
etc. The
truncate modifier use strlen() function, the func doesn't
work for
extended chars, example: árvívtûrõ tükörfúrógép

echo strlen('árvívtûrõ tükörfúrógép'); // 31
echo mb_strlen('árvívtûrõ tükörfúrógép', 'utf-8'); // 22

-- 
udv, Benjamin

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