在Slimphp上使用GUMP验证数据

我想将GUMP整合到我的Slim rest框架中

在继续处理之前，我希望在使用GUMP验证GET或POST请求之前拦截它。有谁能提供一个简短的代码片段来说明如何做到这一点，因为我无法使用中间件（服务器在PHP5.2上）来理解它

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谢谢

为什么不使用这样的东西：

$rules = array(
  'username'    => 'required|alpha_numeric|max_len,100|min_len,6',
  'password'    => 'required|max_len,100|min_len,6',
  'email'       => 'required|valid_email',
  'gender'      => 'required|exact_len,1',
  'credit_card' => 'trim|valid_cc',
);
$filters = array(
  'username'    => 'trim|sanitize_string',
  'password'    => 'trim|base64',
  'email'       => 'trim|sanitize_email',
  'gender'      => 'trim',
  'bio'         => 'noise_words'
);
//now get $post data and validate
$post = $app->request()->post(); // $app - Slim main app instance
$validated = $gump->validate( $gump->filter($post, $filters), $rules );

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为什么不使用这样的东西：

$rules = array(
  'username'    => 'required|alpha_numeric|max_len,100|min_len,6',
  'password'    => 'required|max_len,100|min_len,6',
  'email'       => 'required|valid_email',
  'gender'      => 'required|exact_len,1',
  'credit_card' => 'trim|valid_cc',
);
$filters = array(
  'username'    => 'trim|sanitize_string',
  'password'    => 'trim|base64',
  'email'       => 'trim|sanitize_email',
  'gender'      => 'trim',
  'bio'         => 'noise_words'
);
//now get $post data and validate
$post = $app->request()->post(); // $app - Slim main app instance
$validated = $gump->validate( $gump->filter($post, $filters), $rules );