title: how to use Zend_Registry::getInstance
body: <pre><code>    &lt;?php
  
          require_once('Zend/Registry.php'); 
          $registry = Zend_Registry::getInstance(); 
          $registry['name'] = 'Quentin Zervaas'; 
          echo sprintf('My name is %s', $registry['name']);
  
      ?&gt;
  </code></pre>
  
  <p>Question:
  what does this line mean? <code>$registry = Zend_Registry::getInstance();</code>And how to use this function?</p>