Вы также можете использовать описанную здесь функцию (на французском):
/**
* Convert into filename by removing all accents and special characters. Useful for URL Rewriting.
* @param $text
* @return string
*/
public function ConvertIntoFilename($text)
{
// Remove all accents.
$convertedCharacters = array(
'À' => 'A', 'Á' => 'A', 'Â' => 'A', 'Ã' => 'A', 'Ä' => 'A', 'Å' => 'A',
'à' => 'a', 'á' => 'a', 'â' => 'a', 'ã' => 'a', 'ä' => 'a', 'å' => 'a',
'Ò' => 'O', 'Ó' => 'O', 'Ô' => 'O', 'Õ' => 'O', 'Ö' => 'O', 'Ø' => 'O',
'ò' => 'o', 'ó' => 'o', 'ô' => 'o', 'õ' => 'o', 'ö' => 'o', 'ø' => 'o',
'È' => 'E', 'É' => 'E', 'Ê' => 'E', 'Ë' => 'E',
'é' => 'e', 'è' => 'e', 'ê' => 'e', 'ë' => 'e',
'Ç' => 'C', 'ç' => 'c',
'Ì' => 'I', 'Í' => 'I', 'Î' => 'I', 'Ï' => 'I',
'ì' => 'i', 'í' => 'i', 'î' => 'i', 'ï' => 'i',
'Ù' => 'U', 'Ú' => 'U', 'Û' => 'U', 'Ü' => 'U',
'ù' => 'u', 'ú' => 'u', 'û' => 'u', 'ü' => 'u',
'ÿ' => 'y',
'Ñ' => 'N', 'ñ' => 'n'
);
$text = strtr($text, $convertedCharacters);
// Put the text in lowercase.
$text = mb_strtolower($text, 'utf-8');
// Remove all special characters.
$text = preg_replace('#[^a-z0-9-]#', '-', $text);
// Remove two consecutive dashes (that's not very pretty).
$text = preg_replace('/--/U', '-', $text);
// Remove words containing less than 2 characters (non significant for the meaning)
$return = array();
$text = explode('-', $text);
foreach($text as $word)
{
if(mb_strlen($word, 'utf-8') <= 2) continue;
$return[] = $word;
}
return implode('-', $return);
}
Тем не менее, вам все равно потребуется изменить ваш .htaccess, как упомянуто AlienWebGuy. :)