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MQTT Protocol Analysis and Coroutine Client for PHP.

Support for MQTT protocol versions 3.1, 3.1.1 and 5.0.

Support for QoS 0, QoS 1, QoS 2.

The first PHP library to support the MQTT 5.0 protocol.

composer require simps/mqtt

mqtt.simps.io | MQTT 3.1.1 | MQTT 5.0

see examples