<?php
$user = $_POST['user'];
$sifre = $_POST['sifre'];
if ((!$user == "") and (!$sifre == ""))
{
    include ("ayar.php");
    $sql = "select * from yonetici where user='$user' and sifre='$sifre' ";
    $kontrol = mysql_query($sql);
    $kayitsayisi = mysql_num_rows($kontrol);
    if ($kayitsayisi == "0")
    {
        header("Location: giris.php?hata=yes");
    } else
    {
        $kontrol_ok = mysql_result($kontrol,0,"user");
        setcookie("kullanici", $kontrol_ok[user], time()+3600); //3600=1 saat
        header("Location: yonetici.php");
    }
} else
{
    header("Location: giris.php?hata=yes");
}
?>