$adi = $_POST['ad'];
$soyadi = $_POST['soyad'];
$telefon = $_POST['telefon'];
$kupe = $_POST['kupe'];

$db = $_SERVER["DOCUMENT_ROOT"] ."/access/dene.mdb";
if( !file_exists($db) ) {
  die("No database file.");
}
$baglanti=new PDO("odbc:DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=$db; Uid=; Pwd=; array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'");

for( $i = 0; $i < sizeof( $adi ); $i++ ) {
  $_adi = $adi[$i];
  $_soyadi = $soyadi[$i];
  $_telefon = $telefon[$i];
  $_kupe = $kupe[$i];
  $satis1 = $baglanti1->query("UPDATE satis SET adi = $adi, soyadi = $_soyadi, telefon = $_telefon WHERE kupe = $_kupe");

  if($satis1) {
    $kayitli1 = sprintf("%s Kişi guncellendii", $adi[$i]);
  } else {
    echo "Bir Sorun Oluştu…!!!";
  }
}