PHP - Save DB Table as CSV

<?php
/***********************************************************
			MYSQL VERSION 
************************************************************/

$username="root";		$password="";		$database="exam_codes";
$con = mysql_connect("localhost",$username,$password) or die( "Unable to Connect database");
mysql_select_db($database,$con) or die( "Unable to select database");
// Table Name that you want
// to export in csv
$ShowTable = "blogs";

$FileName = "_export.csv";
$file = fopen($FileName,"w");

$sql = mysql_query("SELECT * FROM  `$ShowTable` LIMIT 11");
$row = mysql_fetch_assoc($sql);
// Save headings alon
	$HeadingsArray=array();
	foreach($row as $name => $value){
		$HeadingsArray[]=$name;
	}
	fputcsv($file,$HeadingsArray); 
	
// Save all records without headings

	while($row = mysql_fetch_assoc($sql)){
	$valuesArray=array();
		foreach($row as $name => $value){
		$valuesArray[]=$value;
		}
	fputcsv($file,$valuesArray); 
	}
	fclose($file);

header("Location: $FileName");

echo "Complete Record saves as CSV in file: <b style=\"color:red;\">$FileName</b>";
?>
<?php 

<?php
/***********************************************************
			MSSQL VERSION 
************************************************************/

// Include the database connections
include '../config/configdb.php';

// Get some parameter if you need
$periodo = $_GET['periodo'];

// Your query
$sql = "
  select distinct c.periodo,v.Nome,v.CPF,c.valor_a_pagar from comissoes_calculadas c
  inner join vendedores v on c.idVendedor = v.idVendedor
  where c.periodo = '$periodo'
";

// handle the result of the query to a variable
$resultado = sqlsrv_query( $conn, $sql);


$FileName = "_export.csv";
$file = fopen($FileName,"w");

// Save headings alon
$HeadingsArray=array();

// handle the results of the query to a variable
$row = sqlsrv_fetch_array($resultado, SQLSRV_FETCH_ASSOC) ;

  // Get the first row  (usually this is the column name of your query)
	foreach($row as $name => $value){
		$HeadingsArray[]=$name;
	}

  // out put the results to a csv
	fputcsv($file,$HeadingsArray,";");

  // Save all records without headings
  while( $row = sqlsrv_fetch_array($resultado, SQLSRV_FETCH_ASSOC) ){

    // get the lines and do the same as above
    $valuesArray=array();

		foreach($row as $name => $value){
		$valuesArray[]=$value;
		}

	fputcsv($file,$valuesArray,";");

	}
  //close the file
	fclose($file);

  // directs the browser to your file, this is when the file is downloaded to the customer machine
  header("Location: $FileName");

 ?>