How to Use MQTT in PHP

• MQTT-Client-Examples

  3 742 6.3 Kotlin

  MQTT Client Examples

  

require('vendor/autoload.php'); use \PhpMqtt\Client\MqttClient; use \PhpMqtt\Client\ConnectionSettings; $server = 'broker.emqx.io'; $port = 1883; $clientId = rand(5, 15); $username = 'emqx_user'; $password = null; $clean_session = false; $connectionSettings = new ConnectionSettings(); $connectionSettings ->setUsername($username) ->setPassword(null) ->setKeepAliveInterval(60) ->setLastWillTopic('emqx/test/last-will') ->setLastWillMessage('client disconnect') ->setLastWillQualityOfService(1); $mqtt = new MqttClient($server, $port, $clientId); $mqtt->connect($connectionSettings, $clean_session); printf("client connected\n"); $mqtt->subscribe('emqx/test', function ($topic, $message) { printf("Received message on topic [%s]: %s\n", $topic, $message); }, 0); for ($i = 0; $i< 10; $i++) { $payload = array( 'protocol' => 'tcp', 'date' => date('Y-m-d H:i:s'), 'url' => 'https://github.com/emqx/MQTT-Client-Examples' ); $mqtt->publish( // topic 'emqx/test', // payload json_encode($payload), // qos 0, // retain true ); printf("msg $i send\n"); sleep(1); } $mqtt->loop(true);

• PHPT

  276 37,353 10.0 C

  The PHP Interpreter

  

PHP is a widely-used open source multi-purpose scripting language, which can be embedded in HTML and is especially suitable for Web development.

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