title: Class functions back to back
body: <p>What is this method called? I have tried to replicate this but I don't know what to Google to find similar results for explanation. Would much appreciate any information given on this, thanks. I believe I saw this done in Drupals framework.</p>
  
  <pre><code>$query-&gt;fields('...')-&gt;condition('...')-&gt;execute()-&gt;fetchAssoc();
  </code></pre>