<?php 
session_start();
if (isset($_POST['kaydet'])) {
    $duzenlemmms=$db->prepare("UPDATE logolar SET
        logo=:logo
        ");
    $updatesss=$duzenlemmms->execute(array(
        'logo' => $_POST['logo']
    ));
        $_SESSION["durum"] = "ok";
        Header("Location:../admin/ayarlar.php");
 
 
} ?>