title: Cakephp how to pass array from view to controller
body: <p>Using Cakephp 2 i am trying to select one or many records clicking into a checkbox, from a list 
  named my_id[] :</p>
  
  <pre><code>&lt;input type="checkbox" name="my_id[]" value="&lt;?php echo $Myobj['My']['id']; ?&gt;
  </code></pre>
  
  <p>I have a link to the controller processBatch method but did not know how to pass the array of selected data using the checkbox into the view file.</p>
  
  <pre><code>&lt;?= $this-&gt;Html-&gt;link('Batch process','proccessBatch')?&gt;
  </code></pre>
  
  <p>I am trying :</p>
  
  <pre><code>public function proccessBatch( ) //array of $ids  
  {        
      pr($this-&gt;request);
  </code></pre>
  
  <p>But did not see $this-request->data. How can i get the checkbox selected values ?</p>