title: What is wikipedia pageid? how to change it into real page url?
body: <p>I'm studying the wikipedia API, </p>
  
  <p><a href="http://en.wikipedia.org/w/api.php?action=query&amp;generator=search&amp;gsrsearch=meaning&amp;srprop=size%7Cwordcount%7Ctimestamp%7Csnippet" rel="noreferrer">some demo api call</a></p>
  
  <p>What is the pageid? How do I change it into a real page url?</p>
  
  <p>I mean <code>&lt;page pageid="18630637" ns="0" title="Translation" /&gt;</code>, how to change <code>18630637</code> into <code>http://en.wikipedia.org/wiki/Translation</code>? </p>