IoT Platform:Ejemplo de conexión con el SDK de PHP

composer require stomp-php/stomp-php 5.0.0

<?php
require __DIR__ . '/vendor/autoload.php';
use Stomp\Client;
use Stomp\Network\Observer\Exception\HeartbeatException;
use Stomp\Network\Observer\ServerAliveObserver;
use Stomp\StatefulStomp;
// For parameter details, see the documentation on connecting an AMQP client.
// WARNING: Hard-coding your AccessKey is a security risk. This example retrieves it from an environment variable for enhanced security.
$accessKey = getenv("ALIBABA_CLOUD_ACCESS_KEY_ID");
$accessSecret = getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET');
$consumerGroupId = "${YourConsumerGroupId}";
$clientId = "${YourClientId}";
// iotInstanceId: The ID of the IoT Platform instance.
$iotInstanceId = "${YourIotInstanceId}";
$timeStamp = round(microtime(true) * 1000);
// The signature algorithm. Supported values are hmacmd5, hmacsha1, and hmacsha256.
$signMethod = "hmacsha1";
// For instructions on how to construct the username, see the AMQP client connection documentation.
// To transmit binary data, add the encode=base64 parameter to the username. The server will then Base64-encode the message body before sending the message. See the "Binary message body" section for more information.
$userName = $clientId . "|authMode=aksign"
            . ",signMethod=" . $signMethod
            . ",timestamp=" . $timeStamp
            . ",authId=" . $accessKey
            . ",iotInstanceId=" . $iotInstanceId
            . ",consumerGroupId=" . $consumerGroupId
            . "|";
$signContent = "authId=" . $accessKey . "&timestamp=" . $timeStamp;
// Calculate the signature. For instructions on how to construct the password, see the documentation on connecting an AMQP client.
$password = base64_encode(hash_hmac("sha1", $signContent, $accessSecret, $raw_output = TRUE));
// The connection endpoint. For details, see the AMQP client connection documentation.
$client = new Client('ssl://${YourHost}:61614');
$sslContext = ['ssl' => ['verify_peer' => true, 'verify_peer_name' => false], ];
$client->getConnection()->setContext($sslContext);
// Listen for server heartbeats.
$observer = new ServerAliveObserver();
$client->getConnection()->getObservers()->addObserver($observer);
// Heartbeat configuration. The client expects a heartbeat packet from the server every 30 seconds.
$client->setHeartbeat(0, 30000);
$client->setLogin($userName, $password);
try {
    $client->connect();
}
catch(StompException $e) {
    echo "failed to connect to server, msg:" . $e->getMessage() , PHP_EOL;
}
// If the connection is successful, execution continues.
$stomp = new StatefulStomp($client);
$stomp->subscribe('/topic/#');
echo "connect success";
while (true) {
    try {
        // Check the connection status.
        if (!$client->isConnected()) {
            echo "connection not exists, will reconnect after 10s.", PHP_EOL;
            sleep(10);
            $client->connect();
            $stomp->subscribe('/topic/#');
            echo "connect success", PHP_EOL;
        }
        // Add your message processing logic here.
        echo $stomp->read();
    }
    catch(HeartbeatException $e) {
        echo 'The server failed to send us heartbeats within the defined interval.', PHP_EOL;
        $stomp->getClient()->disconnect();
    } catch(Exception $e) {
        echo 'process message occurs error: '. $e->getMessage() , PHP_EOL;
        $stomp->getClient()->disconnect();
    }
}   

$userName = $clientId . "|authMode=aksign"
                . ",signMethod=" . $signMethod
                . ",timestamp=" . $timeStamp
                . ",authId=" . $accessKey
                . ",iotInstanceId=" . $iotInstanceId
                . ",consumerGroupId=" . $consumerGroupId
                . ",encode=base64" . "|";