Version Property

The MQTT protocol version that the class will conform to.

Object Oriented Interface

public function getVersion();
public function setVersion($value);

Procedural Interface

ipworksmq_mqtt_get($res, 57 );
ipworksmq_mqtt_set($res, 57, $value );

Default Value



This property specifies the version of the MQTT protocol to use. Possible values are:

0 (mvV3 - default) MQTT 3.1.1
1 (mvV5) MQTT 5

This property must be set before connecting.

This property is not available at design time.

Data Type


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IPWorks MQ 2020 PHP Edition - Version 20.0 [Build 8162]