<?php
    include("config.php");
    $conn = mysqli_connect($host, $user, $pass, $dbnm);

    $stmt = $conn->prepare("UPDATE main SET flaga=?, nominal=?, nr_kat=?, stop=?, rok=? WHERE id=?;");

    $flaga = intval($_POST["kraj_u"]);
    $nominal = $_POST["nominal_u"];
    $nr_kat = $_POST["nr_u"];
    $stop = intval($_POST["stop_u"]);
    $rok = $_POST["rok_u"];
    $id = $_POST["id_u"];

    $stmt->bind_param("issisi", $flaga, $nominal, $nr_kat, $stop, $rok, $id);
    $stmt->execute();

    mysqli_close($conn);

    header("Location: ./");
    exit();
?>