title: How do I set a minimum size using phpThumb class?
body: <p>I have a problem with set a minimum size for my image.
  How do I set a minimum size using phpThumb class ?</p>
  
  <pre><code>$phpThumb = new phpThumb();
  $phpThumb-&gt;setParameter('w', 960);
  $phpThumb-&gt;setParameter('y', 480);
  </code></pre>
  
  <p>I want minimum size for my Image a "w-960" and "y-480".</p>