title: PHP Date difference
body: <p>i've the following code:</p>
  
  <pre><code>$dStart = new DateTime('2013-03-15');
  $dEnd = new DateTime('2013-04-01');
  $dDiff = $dStart-&gt;diff($dEnd);
  echo $dDiff-&gt;days;
  </code></pre>
  
  <p>I don't know why i'm getting 6015 as result.</p>