//Please tell me how to update and select data in  in same query
  $query =  "UPDATE `site` SET status = 1 JOIN SELECT `url` FROM  `site`
             LIMIT 0,10";
  $result = mysql_query($query);
  while($row = mysql_fetch_array($result)) {
  $developer_records[] = $row;
  }
  //Download the file
  $filename = "export.xls";
  header("Content-Type: application/vnd.ms-excel");
  header("Content-Disposition: attachment; filename="$filename"");

if(!empty($developer_records)) {
     foreach($developer_records as $record) {
          echo $record[url]."n";
          mysql_query("");