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SAMConnection->peek()
Podręcznik PHP
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SAMConnection->peek()

(no version information, might be only in CVS)

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

Opis

class SAMConnection {

SAMMessage peek ( string target [, array properties] )

}

Parametry

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 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.

Zwracane wartości

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

Przykłady

Przykład 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";
}
?>

Przykład 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));

?>

Patrz także

SAMConnection->peekAll()

PoprzedniSpis treściNastępny
SAMConnection->isConnected()Początek rozdziału