字段“ to”必须是JSON字符串[Firebase]

natsumiyu 发表于 Dev

夏见

我正在尝试使用cron作业发送通知。我从GCM迁移到FCM。在服务器端，我更改https://android.googleapis.com/gcm/send to https://fcm.googleapis.com/fcm/send并更新了有关如何请求将数据更改registration_ids为的信息to。检查通过的json是有效的json，但出现错误Field "to" must be a JSON string。反正有解决办法吗？

这是我的代码

function sendNotificationFCM($apiKey, $registrationIDs, $messageText,$id) {


    $headers = array(
            'Content-Type:application/json',
            'Authorization:key=' . $apiKey
    );

    $message = array(
            'to' => $registrationIDs,
            'data' => array(
                    "message" => $messageText,
                    "id" => $id,
            ),
    );


    $ch = curl_init();

    curl_setopt_array($ch, array(
            CURLOPT_URL => 'https://fcm.googleapis.com/fcm/send',
            CURLOPT_HTTPHEADER => $headers,
            CURLOPT_POST => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POSTFIELDS => json_encode($message)
    ));

    $response = curl_exec($ch);
    curl_close($ch);

    return $response;
}

jayeshsolanki93

~~尝试显式转换 $registrationIDs 为 string 。~~

~~$message = array( 'to' => (string)$registrationIDs, 'data' => array( "message" => $messageText, "id" => $id, ), );~~

编辑答案

该'to'参数要求string-是邮件的收件人。

的$registrationIDs可通过单独的参数（如字符串数组），以'registration_ids'

编辑您的代码，如下所示：

$recipient = "YOUR_MESSAGE_RECIPIENT";

$message = array(
        'to' => $recipient,
        'registration_ids' => $registrationIDs,
        'data' => array(
                "message" => $messageText,
                "id" => $id,
        ),
);

哪里$recipient是