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Read a message from a queue without removing it from the queue.


SAMConnection::peek

(PECL sam >= 0.1.0)

SAMConnection::peek Read a message from a queue without removing it from the queue.

Description

SAMMessage SAMConnection::peek ( string $target [, array $properties ] )

Parameters

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.

Return Values

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

Examples

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));

?>



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