<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
        $handle = fopen("vysledek.txt","w+");
        if ($handle) {

            fwrite($handle, $_POST['predmet'. "\r\n"]);
            fwrite($handle, $_POST['textzpravy'. "\r\n"]);
            fwrite($handle, $_POST['pocetdni'. "\r\n"]);
            fwrite($handle, $_POST['uzivname']);
            fclose($handle);
        }

        header('HTTP/1.1 303 See Other');
        header('Location: stranka.html');
        header('Connection: close');
        exit;
}