Replaced is_a by instanceof

Fixed tabs

ooo/Calc_Row.php

@@ -4,7 +4,7 @@
  *
  * Requires PHP 5.2
  *
- * @version $Id: Calc_Row.php,v 1.3 2007-08-06 16:31:38 marand Exp $
+ * @version $Id: Calc_Row.php,v 1.4 2007-09-09 19:49:24 marand Exp $
  * @license CeCILL 2.0
  * @copyright 2005-2006 Ouest Systemes Informatiques
  */
@@ -17,10 +17,10 @@ class Calc_Row
    * @var DOMElement $row
    */
   protected $row;
-  
+
   /**
    * Analyze a spreadsheet row and return the cells as an array of Calc_Cell
-   * 
+   *
    * @return array
    */
   function getCells ()
@@ -38,34 +38,35 @@ class Calc_Row
         $count = $cellElement->getAttributeNS(Calc_Reader::NS_TABLE, 'number-columns-repeated');
         }
       if (empty($count))
-        { 
+        {
         $count = 1;
         }
       for ($j = 0 ; $j < $count  ; $j++)
         {
-        $cells[$iCell++] = new Calc_Cell($cellElement);  
+        $cells[$iCell++] = new Calc_Cell($cellElement);
         }
       }
+
     return $cells;
     }
-    
+
   /**
    * Construct a Calc_Row from the DOMElement representing it.
-   * 
+   *
    * This DOMElement must bear a table:table-row tag
-   * 
+   *
    * @param DOMNodeList $row
    * @return void
    */
   function __construct(DOMElement $row)
     {
-    if ((!is_a($row, 'DOMElement')) || ($row->tagName != 'table:table-row'))
+    if ((!($row instanceof DOMElement)) || ($row->tagName != 'table:table-row'))
       {
       die('Calc_Row::__construct() needs a DOMElement parameter for a table-row element ');
       }
     $this->row = $row;
     }
   }
-  
+
 error_reporting($erCalc_Row);
 unset($erCalc_Row);