(PHP 4, PHP 5)
convert_cyr_string — Convert from one Cyrillic character set to another
$str
   , string $from
   , string $to
   )Converts from one Cyrillic character set to another.
strThe string to be converted.
fromThe source Cyrillic character set, as a single character.
toThe target Cyrillic character set, as a single character.
Supported characters are:
Returns the converted string.
Note: This function is binary-safe.