title: Convert object to 2d array
body: <p>How I can transform an object to a 2d array?</p>
  
  <p>for example :</p>
  
  <pre><code>{ field : 'name',
    value : 'peter',
    field1 : 'email',
    value1 : 'test@gmail.com',
    field2 : 'id',
    value2 : '2345',
    ............
    .....
    ...
   }
  </code></pre>
  
  <p>to</p>
  
  <pre><code>  [['name', 'peter],['email','test@gmail.com'],['id','2345'] .......]
  </code></pre>
  
  <p>thanks!</p>