The PHP Code
Connect to MQTT Broker:
setUsername("mqtt")
->setPassword("homeassistant-XXXXXXXXXXXX");
$mqtt = new \PhpMqtt\Client\MqttClient($server, $port, $clientId);
$mqtt->connect($connectionSettings);
]]>
Publish Simple Message:
'setbrightness',
'b' => 20,
];
$mqtt->publish('esp32_lights/1', json_encode($docBrightness), 0);
]]>
Subscribe Handler:
subscribe('homeautomation/forecast',
function ($topic, $message, $retained, $matchedWildcards) use ($sprites, $mqtt) {
$imageData = match ($message) {
'rainy' => $sprites['rainy'],
'sunny' => $sprites['sunny'],
default => $sprites['unknown'],
};
$mqttMessage = [
'c' => 'setls',
's' => 0,
'd' => $imageData,
];
$mqtt->publish('esp32_lights/1', json_encode($mqttMessage), 0);
},
0
);
]]>
Loop:
loop(true);
$mqtt->disconnect();
]]>
Image Definition(s):
[
0, 17, 0, 23, 20, 0, 0, 0,
0, 18, 24, 25, 25, 25, 8, 18,
19, 25, 25, 25, 25, 24, 25, 23,
24, 25, 25, 25, 24, 24, 24, 24,
8, 24, 24, 24, 24, 24, 24, 22,
0, 55, 0, 18, 9, 55, 0, 0,
0, 0, 55, 176, 0, 104, 55, 0,
0, 0, 127, 55, 0, 0, 0, 55
],
…
];]]>