<?php
session_start();

$islemx = $_POST['islemx'];
$eski = $_POST['eski'];
$yeni = $_POST['yeni'];
if($islemx=='sifredegistir')
{
$kulidx=$_SESSION['kullanici'];
if($_SESSION['parola']==$eski)
{
mysql_query("update kullanici set parola='$yeni' where kullaniciadi='$kulidx' ");
$_SESSION['kodxnhsu2']='';
$_SESSION['parola']='';
echo "<meta http-equiv='refresh' content='1;URL=index.php'>";
exit; //CONVERT(DATETIME, '"&tarih&" 00:00:00', 102)
}

}

?>