title: PHP convert 2 digit year to a 4 digit year
body: <p>I have data coming from the database in a 2 digit year format <code>13</code> I am looking to convert this to <code>2013</code> I tried the following code below...</p>
  
  <pre><code>$result = '13';
  
  $year = date("Y", strtotime($result));
  </code></pre>
  
  <p>But it returned 1969</p>
  
  <p>How can I fix this?</p>