我有一個帶有 amp-form 組件的 AMP 網站，但由于某種原因無法提交表單?？刂婆_錯誤https://prnt.sc/shu7i0和網絡錯誤https://prnt.sc/shu85g。您還可以在此處查看實時網站https://frontlinewebtech.com/traderharian/。請幫忙這是我的 html<form class="subscribe-form flex flex-middle" method="POST" action-xhr="/mail.php" target="_top">    <div class="form-control">        <input type="email" required name="email" placeholder="Alamat email">    </div>    <button class="btn-subscribe" type="submit">Daftar</button></form>這是我的 PHP<?phpif(!empty($_POST)){    $email = $_POST['email'];    $formcontent=" From: $email";    $recipient = "[email protected]";    $subject = "email from website";    $mailheader = "From: $email \r\n";    mail($recipient, $subject, $formcontent, $mailheader) or die("Error!");    $domain_url = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://$_SERVER[HTTP_HOST]";    header("Content-type: application/json");    header("Access-Control-Allow-Credentials: true");    header("Access-Control-Allow-Origin: ". str_replace('.', '-','https://frontlinewebtech.com/'));    header("AMP-Access-Control-Allow-Source-Origin: " . $domain_url);    header("Access-Control-Expose-Headers: AMP-Access-Control-Allow-Source-Origin");    header("AMP-Redirect-To: https://example.com/index.html");    header("Access-Control-Expose-Headers: AMP-Redirect-To, AMP-Access-Control-Allow-Source-Origin");     echo json_encode(array('name' => $name));    exit;}?>