AMQPQueue
PHP Manual

AMQPQueue::ack

(PECL amqp >= Unknown)

AMQPQueue::ackAcknowledge the receipt of a message

说明

public bool AMQPQueue::ack ( int $delivery_tag [, int $flags = AMQP_NOPARAM ] )

This method allows the acknowledgement of a message that is retrieved without the AMQP_AUTOACK flag through AMQPQueue::get() or AMQPQueue::consume()

参数

delivery_tag

The message delivery tag of which to acknowledge receipt.

flags

The only valid flag that can be passed is AMQP_MULTIPLE.

错误/异常

Throws AMQPChannelException if the channel is not open.

Throws AMQPConnectionException if the connection to the broker was lost.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

范例

Example #1 AMQPQueue::ack() example with AMQPQueue::get()

<?php

/* Create a connection using all default credentials: */
$connection = new AMQPConnection();
$connection->connect();

$channel = new AMQPChannel($connection);

/* create a queue object */
$queue = new AMQPQueue($channel);

//declare the queue
$queue->declare('myqueue');

//get the next message, but don't mark it as delivered
$message $queue->get(AMQP_NOPARAM);

echo 
$message['msg'];

//acknowledge the message as received
$queue->ack($message['delivery_tag']);

?>

Example #2 AMQPQueue::ack() example with AMQPQueue::consume()

<?php

/* Create a connection using all default credentials: */
$connection = new AMQPConnection();
$connection->connect();

/* create a queue object */
$queue = new AMQPQueue($connection);

//declare the queue
$queue->declare('myqueue');

$options = array(
    
'min' => 1,
    
'max' => 10,
    
'ack' => false
);

//get the messages, but don't mark them as delivered
$messages $queue->consume($options);

foreach (
$messages as $message) {
    echo 
$message['message_body'];
    
//acknowledge the message as received
    
$queue->ack($message['delivery_tag']);
}

?>


AMQPQueue
PHP Manual