Airship\Installer\Install::isPasswordWeak PHP 메소드

    public function isPasswordWeak(array $post) : bool
    {
        $zxcvbn = new Zxcvbn();
        $pw = $post['passphrase'];
        $userdata = \Airship\keySlice($post, ['username', 'display_name', 'realname', 'email']);
        $strength = $zxcvbn->passwordStrength($pw, \array_values($userdata));
        return $strength['score'] < 3;
    }