title: var_dump() without show protected and private property
body: <p>Is there any functions or how to var_dump() object without showing it protected and private property?</p>
  
  <p>example:</p>
  
  <pre><code>class foo {
      public $public = 'public';
      protected $protected = 'protected';
      private $private = 'private';
  }
  
  $Foo = new foo;
  var_dump($Foo);
  // Expected output "(string) public"
  </code></pre>