use Fuko\Masked\Protect;

//隐藏$secret_key var中的值
Protect::hideValue($secret_key);

//隐藏$ _POST['password'] 的值
Protect::hideInput('password', INPUT_POST);

$redacted = Protect::protect($_POST);

use \Fuko\Masked\Protect;

Protect::hideInputs(array(
  INPUT_ENV => array(
    'APP_KEY',
    'DB_PASSWORD',
    'REDIS_PASSWORD',
    'MAIL_PASSWORD',
    'PUSHER_APP_KEY',
    'PUSHER_APP_SECRET',
    ),
  INPUT_SERVER => array(
    'PHP_AUTH_PW',
    'APP_KEY',
    'DB_PASSWORD',
    'REDIS_PASSWORD',
    'MAIL_PASSWORD',
    'PUSHER_APP_KEY',
    'PUSHER_APP_SECRET',
    ),
  INPUT_POST => array(
    'password',
    )
  )
);

//传递信息 `\Fuko\Masked\Protect::protect()`
//将隐藏列入黑名单的输入
\Fuko\Masked\Protect::protect($_POST);