Manuale PHP
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SAMConnection::subscribe()

(no version information, might be only in CVS)

SAMConnection::subscribe() --  Create a subscription to a specified topic.

Descrizione

The "subscribe" method is used to create a new subscription to a specified topic.

class SAMConnection {

string subscribe ( string targetTopic )

}

Elenco dei parametri

targetTopic

The identity of the topic (topic://topicname) to subscribe to.

Valori restituiti

A subscription identifier that can be used in a subsequent receive call as a selector to obtain any topic data or FALSE if an error occurred. The subscription identifier should be used in the receive call in place of the simple topic name.

Esempi

Esempio 1. Subscribe to a topic

<?php
$subid = $conn->subscribe('topic://A');
if (!$subid) {
  // The subscribe failed!
  echo "Subscribe failed ($conn->errno) $conn->error";
}
?>



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SAMConnection::send()RisaliSAMConnection::unsubscribe()