LaravelBook\Laravel4Powerpack\Str::wordwrap PHP Метод

    public function wordwrap($string, $length)
    {
        if ($length < 1 or $length > $this->length($string)) {
            return $string;
        }
        return preg_replace('#[^\\s]{' . $length . '}(?=[^\\s])#u', '$0 ', $string);
    }