title: Why doesn't imagick work?
body: <pre><code>&lt;?php
  $im = new imagick('vui.pdf[0]');
  $im-&gt;setImageFormat( "png" );
  header( "Content-Type: image/jpeg" );
  echo $im;
  ?&gt;
  </code></pre>
  
  <p>I am using heliohost, but when i run this script, it show me a 500 Internal Server Error (http://iamsnoob.co.cc/open.php ), why?</p>