public static function cutStringToWords($subject, $maxWordsCount, $trimChars = " \t\n\r\v")
{
self::$subjectChanged = false;
$pattern = '/([^\\s\\n\\r]+[\\s\\n\\r]+){' . $maxWordsCount . '}/s';
if (self::$unicode) {
$pattern .= 'u';
}
if (preg_match($pattern, $subject, $match)) {
$subject = rtrim($match[0], $trimChars);
self::$subjectChanged = true;
}
return $subject;
}