protected static function normalize($data)
    {
        foreach ($data as $id => $value) {
            $data[$id] = strtoupper(NoDiacritic::filter($value));
        }
        return $data;
    }
protected static function normalize($data)
    {
        foreach ($data as $id => $value) {
            $data[$id] = strtoupper(NoDiacritic::filter($value));
        }
        return $data;
    }
protected static function normalize ( $ data ) { foreach ( $ data as $ id => $ value ) { $ data [ $ id ] = strtoupper ( NoDiacritic :: filter ( $ value ) ) ; } return $ data ; }
Removes diacritics and convert to upper case

@param string[] $data Data to be normalized
Removes diacritics and convert to upper case