title: How to add 5 minutes to current datetime on php < 5.3
body: <p>I want to add 5 minutes to this date: <code>2011-04-8 08:29:49</code> </p>
  
  <pre><code>$date = '2011-04-8 08:29:49';
  </code></pre>
  
  <p>When I use <code>strtotime</code> I am always getting <code>1970-01-01 08:33:31</code></p>
  
  <p>How do I add correctly 5 minutes to <code>2011-04-8 08:29:49</code>?</p>