title: How to Sum Time Value in Array
body: <p>i got this array</p>
  
  <pre><code>$total = array('1:00','2:20','4:00','5:10');
  </code></pre>
  
  <p>i try to SUM the total time with this</p>
  
  <pre><code>$sum = strtotime('00:00:00');
  foreach ($total as $v){
     $sum = $sum+strtotime($v);
  }
  echo date("H:i:s",$sum);
  </code></pre>
  
  <p>but the result is  19:40:40 should be 12:30</p>