Php 请帮助我调试条带错误

错误：[16-May-2018 22:16:06 UTC]PHP致命错误：未捕获异常“Stripe\Error\InvalidRequest”，消息“无效源对象：必须是字典或非空字符串”。请参阅API请求“req_6uGybuHR3adjqW”中/home/autravelservice/public_html/wp content/plugins/ats/libraries/stripe-php-6.0.0/lib/apirequector.php:120中“”的API文档

请看我的代码有什么我做错了吗

// Set your secret key: remember to change this to your live secret key in production
        // See your keys here: https://dashboard.stripe.com/account/apikeys
        \Stripe\Stripe::setApiKey($sk);

        // Token is created using Checkout or Elements!
        // Get the payment token ID submitted by the form:
        $token = $payment_details['token'];
        //echo 'pay:' . $pay_amount;

        // Create customer:
        $i = 0;
        foreach(get_field('applicant', $post_id) as $applicant) {
            if($i++ == 0) {
                $applicant_details = $applicant['applicant_details'];
                $contact_details = $applicant['contact_details'];


                $name_first = $applicant_details['first_name'];
                $name_last =  $applicant_details['last_name'];
                $email = $contact_details['email'];

                $user_info = array("First Name" => $name_first, "Last Name" => $name_last);

                $customer = \Stripe\Customer::create(array(
                    "email" => $email,
                    "card"  => $token,
                    "metadata" => $user_info
                ));

                // Charge the user's card:
                $charge = \Stripe\Charge::create(array(
                    "customer" => $customer->id,
                    "amount" => $pay_amount,
                    "currency" => "usd",
                    "description" => "Australian Travel Service"
                ));
            }
        }   
        if($charge->status == 'succeeded') {
            $counter = range(1, 5);
            $counter= shuffle($counter);
            $orderid = 'AUS-CU-' . date('Ymd') . $post_id . $counter;
            echo '<input type="hidden" name="orderid" id="app_order_id" value="'.$orderid.'">';
            echo '<input type="hidden" id="applicant_count" value="'.$applicant_count.'">';
            echo '<input type="hidden" id="processing_type" value="'.$processing_fee_type[0].'">';
            echo '<input type="hidden" id="order_total" value="'.$pay_amount.'">';
            appFormAdminMail($post_id, $orderid);
            acf_form(array(
                'id' => 'survey-form',
                'post_id' => $post_id,
                'field_groups'  => array(158),
                'return' => './survey-thank-you/?record=%post_id%',
                'submit_value' => 'SUBMIT SURVEY',
                'html_submit_button' => '<button type="submit" class="acf-btn red-btn rounded-btn">%s</button>'
            ));
        } else {
            echo 'Payment error...';
        }

//设置您的密钥：请记住在生产中将其更改为您的实时密钥
//请在此处查看您的钥匙：https://dashboard.stripe.com/account/apikeys
\Stripe\Stripe:：setApiKey（$sk）；
//令牌是使用签出或元素创建的！
//获取表单提交的支付令牌ID：
$token=$payment_details['token']；
//回音“pay:”$支付金额；
//创建客户：
$i=0；
foreach（get_字段（'applicator'，$post_id）作为$applicator）{
如果（$i++==0）{
$applicator_details=$applicator['applicator_details']；
$contact_details=$applicator['contact_details']；
$name_first=$applicator_details['first_name']；
$name_last=$applicator_details['last_name']；
$email=$contact_details['email']；
$user\u info=array（“First Name”=>$Name\u First，“Last Name”=>$Name\u Last）；
$customer=\Stripe\customer:：创建（数组）(
“email”=>$email，
“卡”=>$token，
“元数据”=>$user\u信息
));
//向用户的卡收费：
$charge=\Stripe\charge:：创建（数组）(
“客户”=>$customer->id，
“金额”=>$pay\U金额，
“货币”=>“美元”，
“描述”=>“澳大利亚旅行社”
));
}
}   
如果（$charge->status==“成功”）{
$counter=范围（1,5）；
$counter=洗牌（$counter）；
$orderid='AUS-CU-'。日期（'Ymd'）。$post_id.$counter；
回声'；
回声'；
回声'；
回声'；
appFormAdminMail（$post\u id，$orderid）；
acf_表格（数组）(
“id”=>“调查表”，
“post\u id”=>$post\u id，
“字段组”=>数组（158），
“return'=>”/调查谢谢/？记录=%post\u id%，
“提交值”=>“提交调查”，
“html\u提交按钮”=>“%s”
));
}否则{
回显“付款错误…”；
}

问题似乎出在您的

$token

变量上，它可能格式错误或缺失。我建议您

echo

查看它的价值是什么，或者分享更多关于如何创建

$payment\u details

的代码