user(); } function carbon(...$args) { return new Carbon(...$args); } function randomString(int $length): string { $alphabet = '0123456789abcdefghijklmnopqrstuvwxyz'; $str = ''; for ($i = 0; $i < $length; $i++) { $index = random_int(0, 35); $str .= $alphabet[$index]; } return $str; }