Php 在同一页面上提交表单时显示ajax成功或错误消息

我在DIV标签中获得了发送给apear的消息，但不确定如何将电子邮件地址发送到外部电子邮件数据库//myguestlist.com/mgl/formreceiver.php

这是HTML文件

第一个知道七频道布里斯班比赛的人 嘉年华：

---

你有没有试过

console.log（json.message）

？原谅我，我不是一个真正的编码员，我该怎么说呢？如果你不是编码员，你怎么能这样编码？将

console.log（json.message）

放入if（json.valid==0）和

else

中，使用chrome时按f12并检查

控制台

              method="post" id="mf528c0a39d76be"> <input class="mailchimp-input"

                input="" name="PatronEmail" id="mf528c0a39d76be_PatronEmail"

                placeholder="Enter your email..." type="text"> <button type="submit"

                class="btn"><span class="singup-image"><img src="img/send.png"

                    alt="send email"></span><span class="singup-text">Send</span></button>
            </form>
            <div class="success-message"></div>
            <div class="error-message"></div>
          </div>

<?php

// Enter the email where you want to receive the notification when someone subscribes
$emailTo = 'wbriton@brc.com.au';

$subscriber_email = ($_POST['PatronEmail']);

if(!isEmail($subscriber_Email)) {
    $array = array();
    $array['valid'] = 0;
    $array['message'] = 'Insert a valid email address!';
    echo json_encode($array);
}
else {
    $array = array();
    $array['valid'] = 1;
    $array['message'] = 'Thanks for your subscription!';
    echo json_encode($array);

    // Send email
$subject = 'New Subscriber!';
$body = "You have a new subscriber!\n\nEmail: " . $subscriber_email;
    // uncomment this to set the From and Reply-To emails, then pass the $headers variable to the "mail" function below
//$headers = "From: ".$subscriber_email." <" . $subscriber_email . ">" . "\r\n" . "Reply-To: " . $subscriber_email;
mail($emailTo, $subject, $body);
}

$('.subscribe form').submit(function() {
    var postdata = $('.subscribe form').serialize();
    $.ajax({
        type: 'POST',
        url: 'php/sendmail.php',
        data: postdata,
        dataType: 'json',
        success: function(json) {
            if(json.valid == 0) {
                $('.success-message').hide();
                $('.error-message').hide();
                $('.error-message').html(json.message);
                $('.error-message').fadeIn();
            }
            else {
                $('.error-message').hide();
                $('.success-message').hide();
                $('.subscribe form').hide();
                $('.success-message').html(json.message);
                $('.success-message').fadeIn();
            }
        }
    });
    return false;
});