Stringy\Stringy::shuffle PHP 메소드

    public function shuffle()
    {
        $indexes = range(0, $this->length() - 1);
        shuffle($indexes);
        $shuffledStr = '';
        foreach ($indexes as $i) {
            $shuffledStr .= \mb_substr($this->str, $i, 1, $this->encoding);
        }
        return static::create($shuffledStr, $this->encoding);
    }