title: What MySQL datatype to store a PHP DateInterval
body: <p>I would like to store a PHP <a href="http://php.net/manual/en/class.dateinterval.php" rel="noreferrer">DateInterval</a> in a MySQL database.</p>
  
  <p>What is the best database datatype to use for this so that I can serialize the DateInterval? (i.e. I want to store it, then create a DateInterval from the database value later).</p>