RdKafka\Conf::setStatsCb

(PECL rdkafka >= 3.0.5, librdkafka >= 0.9)

RdKafka\Conf::setStatsCb — Sets the statistics report callback

public RdKafka\Conf::setStatsCb(callable $callback): void

Set statistics callback.

The statistics callback is triggered from RdKafka::poll() every statistics.interval.ms (needs to be configured separately).

callback (callable)

A callable with the following signature:

<?php
/**
 * @param object $kafka
 * @param string $json
 * @param int $json_len
 */
function ($kafka, $json, $json_len);

Returns no value.