(PECL amqp >= Unknown)

AMQPChannel::setPrefetchSizeSet the window size to prefetch from the broker


public void AMQPChannel::setPrefetchSize ( int $size )

Set the prefetch window size, in octets, during a call to AMQPQueue::consume() or AMQPQueue::get(). Any call to this method will automatically set the prefetch message count to 0, meaning that the prefetch message count 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.



The window size, in octets, to prefetch.


Throws AMQPConnectionException if the connection to the broker was lost.

Return Values

Returns TRUE on success or FALSE on failure.