Ошибка при добавлении статической страницы, как исправить?

function cleanpath($path) {
    $path = trim(str_replace(chr(0), '', (string)$path));
    $path = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $path);
    $parts = array_filter(explode(DIRECTORY_SEPARATOR, $path), 'strlen');
    $absolutes = array();
    foreach ($parts as $part) {
        if ('.' == $part) continue;
        if ('..' == $part) {
            array_pop($absolutes);
        } else {
            $absolutes[] = totranslit($part, false, false);
        }
    }

    return implode(DIRECTORY_SEPARATOR, $absolutes);
}