/**
* Shorten the string after $length, but also after the next word.
*
* @param int $length
* @param string $strAddOn
*
* @return Stringy
*/
public function shortenAfterWord($length, $strAddOn = '...')
{
$string = UTF8::str_limit_after_word($this->str, $length, $strAddOn);
return static::create($string);
}