Untitled

<!DOCTYPE html>
<html>
    <head>
        <title>Chodowanie kur</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <table>
            <?php

           header('Location: index.php');

            if (isset($_POST['nick'])) {
    $plik = fopen("koment.txt", "a");
    fwrite($plik,date("d/m/y h:i")."\n");
    fwrite($plik, $_POST['nick']."\n");
    fwrite($plik,$_POST['koment']."\n");
    fclose($plik);
            }
           ?>
        </table>
         </body>
</html>