setcookie test page

<?php /* ------------ PHP COMMON OPERATIONS ------------ */
    $max_expiration = time() + 34560000; // (400 * 24 * 60 * 60) = 34560000
    // $domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false;
    $cookie_options = array('expires' => $max_expiration, 'path' => '/', 'domain' => '', 'secure' => false, 'httponly' => false, 'samesite' => 'None');
    // $cookie_options = array('expires' => $max_expiration, 'path' => '/', 'domain' => '', 'secure' => false, 'httponly' => false);
    $cookie_options_string = json_encode($cookie_options);
    // $cookie_options_decoded = json_decode($cookie_options_string, true); // I keep that as an exemple to how re-obtain the original array.
    $cookie_value = array(
        'options' => $cookie_options_string, /* Jesus... */
        'répondu' => false
    );
    $cookie_value_string = json_encode($cookie_value);
    // setcookie("Sondage01", $cookie_value_string, $cookie_options);
    // $cookie_created = setcookie("Sondage01", $cookie_value_string, $cookie_options);
    // $cookie_created = setcookie("Sondage01", $cookie_value_string, $max_expiration, '/', '', false, false);
    try {
        setcookie("Sondage01", $cookie_value_string, $cookie_options);
        // setcookie("Sondage01", $cookie_value_string, $max_expiration, '/', '', false, false);
        $cookie_return = "Ca semble bon";
        //$_COOKIE["Sondage01"] = $cookie_value_string;

    } catch(Exception $e) {
        // echo "<section>";
        // echo "<p>Impossible d'écrire le cookie.</p>";
        // echo "<p>".$e->getMessage()."</p>";
        // echo "</section>";
    }
    /* ------------------------------------------------- */
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">

<html class="home" style="background-color: #0C051D;">

    <head>
        <meta charset="utf-8">
        <title>TEST</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    </head>

    <body id="top" class="header_scrolled">

        <div id="over_content">
            <?php echo "<p>max_expiration : $max_expiration</p>"; ?>
            <?php echo "<p>cookie_options_string : $cookie_options_string</p>"; ?>
            <?php echo "<p>Cookie creation : $cookie_return</p>"; ?>
            <?php echo "<p>COOKIE content : ".$_COOKIE["Sondage01"]."</p>"; ?>
        </div>

        <div class="content">

            <div class="wrapper">

                <main>
                    <section>
                        <h1>Page de test</h1>
                        <p>Hello world.</p>
                    </section>
                </main>

            </div> <!-- Wrapper -->

            <footer id="main_footer" class="main">
            </footer>

            <div class="behind_content">
            </div><!-- .behind_content -->

        </div><!-- .content -->

    </body>

</html>