JBZoo\PHPUnit\PerformanceTest::getRandomString PHP Метод

    public function getRandomString($length = 6)
    {
        $chars = 'абвгд';
        $charsLength = strlen($chars);
        $result = '';
        for ($i = 0; $i < $length; $i++) {
            $result .= $chars[mt_rand(0, $charsLength - 1)];
        }
        return $result;
    }