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(no version information, might be only in CVS)

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


class SAMConnection {

SAMMessage peek ( string target [, array properties] )


Seznam parametrů


The identity of the queue from which to peek the message.


An optional associative array of properties describing other parameters to control the peek operation.

Property namePossible 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.

Návratové hodnoty

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


Příklad 1. Retrieve the next message from a queue without removing it

= $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


= $conn->peek('queue://receive/test', array(SAM_MESSAGEID => $messageId));