title: php function & symbol
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1676897/what-does-it-mean-to-start-a-php-function-with-an-ampersand">What does it mean to start a PHP function with an ampersand?</a>  </p>
  </blockquote>
  
  
  
  <p>hi</p>
  
  <p>Why is it that some php functions have a '&amp;' in their signature for example</p>
  
  <pre><code>function &amp;getData()
  </code></pre>