SAMConnection->peek()
(No version information available, might be only in CVS)
SAMConnection->peek() — Read a message from a queue without removing it from the queue.
说明
SAMConnection
SAMMessage peek
( string $target
[, array $properties
] )
参数
- target
-
The identity of the queue from which to peek the message.
- properties
-
An optional associative array of properties describing other parameters to control the peek operation.
Property name Possible values SAM_CORRELID This is the target correlation id string of the message. This would typically have been returned by a "send" request. SAM_MESSAGEID This is the message id string of the message which is to be peeked.
返回值
This method returns a SAMMessage object or FALSE if an error occurs.
范例
Example#1 Retrieve the next message from a queue without removing it
<?php
$msg = $conn->peek('queue://receive/test');
if (!$msg) {
// The peek failed!
echo "Peek failed ($conn->errno) $conn->error";
}
?>
Example#2 Retrieve a specific message from a queue without removing it from the queue
<?php
$msg = $conn->peek('queue://receive/test', array(SAM_MESSAGEID => $messageId));
?>
