(PECL amqp >= Unknown)
AMQPChannel::setPrefetchCount — Set the number of messages to prefetch from the broker
$count
)Set the number of messages to prefetch from the broker during a call to AMQPQueue::consume() or AMQPQueue::get(). Any call to this method will automatically set the prefetch window size to 0, meaning that the prefetch window size setting will be ignored.
If the call to either AMQPQueue::consume() or AMQPQueue::get() is done with the AMQP_AUTOACK
flag set, this setting will be ignored.
count
The number of messages to prefetch.
Throws AMQPConnectionException if the connection to the broker was lost.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。