what am i doing wrong?

[amir_wbpls]

Hello,

i installed rdkafka and paisted the code as defined in https://arnaud-lb.github.io/php-rdkafka/phpdoc/rdkafka.examples-producer.html

<?php
$rk = new RdKafka\Producer();
$rk->setLogLevel(LOG_DEBUG);
$rk->addBrokers("127.0.0.1:9092");


$topic = $rk->newTopic("test");


for ($i = 0; $i < 10; $i++) {
    $topic->produce(RD_KAFKA_PARTITION_UA, 0, "Message $i");
    $rk->poll(0);
}


while ($rk->getOutQLen() > 0) {
    $rk->poll(50);
}

when i run this i get an infinite loop.seems that the problem line is

 $topic->produce(RD_KAFKA_PARTITION_UA, 0, "Message $i");

when i place

var_dump($rk);

just before the $topic i get:

object(RdKafka\Producer)#1 (2) { ["error_cb":"RdKafka":private]=> NULL ["dr_cb":"RdKafka":private]=> NULL }

what does this mean and do i resolve this?

thanks,

Amir