SAMConnection->peek()

Manuál PHP
Předcházející		Další

SAMConnection->peek()

(no version information, might be only in CVS)

SAMConnection->peek() -- Read a message from a queue without removing it from the queue.

Popis

class SAMConnection {

SAMMessage peek ( string target [, array properties] )

}

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.

This method returns a SAMMessage object or FALSE if an error occurs.

Příklad 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";
}
?>

Příklad 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));

?>

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