$DB_Server = "????"; //MySQL Server
$DB_Username = "????"; //MySQL Username
$DB_Password = "???";             //MySQL Password
$DB_DBName = "????";         //MySQL Database Name
$filename = "excelfilename";         //File Name
/*******YOU DO NOT NEED TO EDIT ANYTHING BELOW THIS LINE*******/
//create MySQL connection
  $azienda = $_POST['users'];
$??= $_POST['pro'];
$??= "SELECT * FROM  ??? WHERE  ??? = '".$variable."' AND
??? ='".$variable."'";
 $Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password) or
 die("Couldn't connect to MySQL:<br>" . mysql_error() . "<br>" .
 mysql_errno());
 //select database
  $Db = @mysql_select_db($DB_DBName, $Connect) or die("Couldn't select
   database:<br>" . mysql_error(). "<br>" . mysql_errno());
   //execute query
  $result = @mysql_query($sql,$Connect) or die("Couldn't execute query:<br>"
 . mysql_error(). "<br>" . mysql_errno());
  $file_ending = "xls";
   //header info for browser
  header("Content-Type: application/xls");
  header("Content-Disposition: attachment; filename=$filename.xls");
  header("Pragma: no-cache");
 header("Expires: 0");

   /*******Start of Formatting for Excel*******/
   //define separator (defines columns in excel & tabs in word)
   $sep = "t"; //tabbed character
  //start of printing column names as names of MySQL fields
   for ($i = 0; $i < mysql_num_fields($result); $i++) {
  echo mysql_field_name($result,$i) . "t";
   }
  print("n");
  //end of printing column names
  //start while loop to get data
  while($row = mysql_fetch_row($result))
    {
    $schema_insert = "";
    for($j=0; $j<mysql_num_fields($result);$j++)
    {
        if(!isset($row[$j]))
            $schema_insert .= "NULL".$sep;
        elseif ($row[$j] != "")
            $schema_insert .= "$row[$j]".$sep;
        else
            $schema_insert .= "".$sep;
    }
    $schema_insert = str_replace($sep."$", "", $schema_insert);
    $schema_insert = preg_replace("/rn|nr|n|r/", " ", $schema_insert);
    $schema_insert .= "t";
    print(trim($schema_insert));
    print "n";
   }