LanguageDetector\NGramParser::splitText PHP Method

    public function splitText($text, $len = 200)
    {
        $strtolower = $this->mb ? 'mb_strtolower' : 'strtolower';
        $text = preg_replace($this->regex, '_', $strtolower($text));
        $parts = preg_split("/(.{{$len}})/" . $this->regex_mod, $text, 0, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
        if (count($parts) > 1 && strlen(end($parts)) < 100) {
            array_pop($parts);
        }
        return $parts;
    }