Config.php hatası

<?php
$kull = "********"; // MYSQL KULLANICI ADI
$pass = "*********"; // MYSQL SIFRE
$db = "*******"; // MYSQL DB
$host = "********"; // MYSQL HOST


if(mysql_connect($host, $kull, $pass)){
}else{
echo "MYSQL BAGLANAMADI"; exit;
}
if(mysql_select_db($db)){
}else{
echo "DATABASE SEÇİLEMEDİ"; exit;
}
?>

<?php
error_reporting(0);

$server = 'localhost'; // server
$user = '*******'; // k.adi
$pass = '*******'; // sifre
$db = '*******'; // db adi
$connection = mysql_connect($server, $user, $pass)
or die ("Servere baglanilamadi ... \n" . mysql_error ());
mysql_select_db($db)
or die ("Databaseye baglanilamadi ... \n" . mysql_error ());

?>

<?php
$host = ""; // SERVER
$user = ""; // KULLANICI ADI
$pass = ""; // ŞİFRE
$data = ""; // VERİ TABANI İSMİ

$baglan = mysql_connect($host, $user, $pass) or die("MYSQL BAĞLANTISI KURULAMADI".mysql_Error());

mysql_select_db($data, $baglan) or die("VERİ TABANI BAĞLANTISI YAPILAMADI". mysql_Error());

mysql_query("SET NAMES UTF8");
?>