title: Send POST data to iframe and host page
body: <p>I am have a problem with Sending data from a Form to my <code>iframe</code> page.
  I have a host page that is called from the Form and the Form is using the POST method this works. I am then trying to send that same POST data with in a <code>iframe</code>.</p>
  
  <pre><code>&lt;iframe src="dirread.php?var=&lt;?php echo urlencode($_POST['filename']);?&gt;"  width="300px" height="700px" scrolling="yes"&gt;
  </code></pre>
  
  <p> </p>
  
  <p>So this works for one but I want to send two Lots </p>
  
  <pre><code> &lt;iframe src="dirread.php?var=&lt;?php echo urlencode($_POST['filename'],$_POST['site'] );?&gt;"  width="300px" height="700px" scrolling="yes"&gt;
  </code></pre>
  
  <p></p>
  
  <p>What is the correct syntax please?</p>