(PECL rdkafka >= 0.9.1)
This is the low-level Kafka consumer. It can be used with Kafka >= 0.8.
$broker_list
$all_topics
$only_topic
$timeout_ms
$topic_name
$topic_conf
NULL
$purge_flags
$level
$logger_id
$topic
$partition
&$low
&$high
$topicPartitions