title: PHPExcel changes xls DATETIME to numbers
body: <p>When i upload a .xls file to PHPExcel i´d like to read the raw data.<br>
  I read about using "getValue()" and it should fix it.<br>
  But not in my case.<br></p>
  
  <p>So in .xls i have a column: 2015-10-08 11:31<br>
  When i process it with PHPExcel i got: 42285.47993055556<br></p>
  
  <p>Because of PHPExcel reading the file first, i cannot use PHP to make a DATETIME object?!<br></p>
  
  <p><strong>PHP</strong></p>
  
  <pre><code>for ($row = 2; $row &lt;= $highestRow; ++ $row) {
  $val=array();
      for ($col = 0; $col &lt; $highestColumnIndex; ++ $col) {
          $cell = $worksheet-&gt;getCellByColumnAndRow($col, $row);
          $val[] = $cell-&gt;getValue();
  </code></pre>
  
  <p>How do i solve this?</p>
  
  <p><strong>Threw the accepted answear i got this code to work for me:</strong></p>
  
  <pre><code>for ($row = 2; $row &lt;= $highestRow; ++ $row) {
    $val=array();
    for ($col = 0; $col &lt; $highestColumnIndex; ++ $col) {
      $cell = $worksheet-&gt;getCellByColumnAndRow($col, $row);
      $val[] = $cell-&gt;getValue();
    }//close 2nd for loop
    //Create and convert xls date to php date
    $val[10] = PHPExcel_Shared_Date::ExcelToPHPObject($val[10]);
    $val[10] = $val[10]-&gt;format('Y-m-d H:i:s');
    //query stuff...
  }//close first for loop    
  </code></pre>