title: how to yii getPost for array _POST vars?
body: <p>Assuming i have</p>
  
  <pre><code>$_POST["x"]["y"] = 5;
  </code></pre>
  
  <p>how can i </p>
  
  <pre><code>Yii::app()-&gt;request-&gt;getPost('x[y]');
  </code></pre>
  
  <p>how can i retrieve the post variable by index ?
  and is there any yii function that checks for sql injection ? does the getPost do that check ?</p>
  
  <p>Thank you .</p>