title: php convert datetime
body: <p>Well i take from my database table something like:</p>
  
  <p><code>$datetime="2012-01-12 00:00:00"</code> i want to convert this variable/info to something like
  <code>Mon, 02 Jan 2012 16:40:39 GMT</code> I want to put this info into my rss feed <code>&lt;pubDate&gt;&lt;/pubDate&gt;</code></p>