title: Fatal error: Call to undefined function date_parse_from_format()
body: <p>I'm using PHP 5.2 and getting the following error message:
  <code>Fatal error: Call to undefined function date_parse_from_format()</code></p>
  
  <p>Here is the code:</p>
  
  <pre><code>$startData = date_parse_from_format("Y-m-d\TH:i:s:uO", $when-&gt;startTime);
  </code></pre>
  
  <p>Why am I getting this error?</p>