/**
* Convert a UTF-8 string to normal form C, canonical composition.
* Fast return for pure ASCII strings; some lesser optimizations for
* strings containing only known-good characters.
*
* @param string $string a valid UTF-8 string. Input is not validated.
* @return string a UTF-8 string in normal form C
*/
static function toNFC($string)
{
return Validator::toNFC($string);
}
