Простая функция для транслитерации, может кому пригодится.
/источник/function transliteration($str){ $trans = array("а"=>"a","б"=>"b","в"=>"v","г"=>"g","д"=>"d","е"=>"e", "ё"=>"yo","ж"=>"j","з"=>"z","и"=>"i","й"=>"i","к"=>"k","л"=>"l", "м"=>"m","н"=>"n","о"=>"o","п"=>"p","р"=>"r","с"=>"s","т"=>"t", "у"=>"y","ф"=>"f","х"=>"h","ц"=>"c","ч"=>"ch", "ш"=>"sh","щ"=>"shh", "ы"=>"i","э"=>"e","ю"=>"u","я"=>"ya","ї"=>"i","'"=>"","ь"=>"","Ь"=>"", "ъ"=>"","Ъ"=>"","і"=>"i","А"=>"A","Б"=>"B","В"=>"V","Г"=>"G","Д"=>"D", "Е"=>"E", "Ё"=>"Yo","Ж"=>"J","З"=>"Z","И"=>"I","Й"=>"I","К"=>"K", "Л"=>"L", "М"=>"M","Н"=>"N","О"=>"O","П"=>"P", "Р"=>"R","С"=>"S","Т"=>"T","У"=>"Y", "Ф"=>"F", "Х"=>"H","Ц"=>"C","Ч"=>"Ch","Ш"=>"Sh","Щ"=>"Sh", "Ы"=>"I","Э"=>"E", "Ю"=>"U","Я"=>"Ya","Ї"=>"I","І"=>"I"); $res=str_replace(" ","-",strtr(strtolower($str),$trans)); //если надо, вырезаем все кроме латинских букв, цифр и дефиса (например для формирования логина) $res=preg_replace("|[^a-zA-Z0-9-]|","",$res); return $res; }