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SAMConnection->subscribe()

SAMConnection->subscribe()

(no version information, might be only in CVS)

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

Popis

class SAMConnection {

string subscribe ( string targetTopic )

}

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

Seznam parametrů

targetTopic

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

Návratové hodnoty

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.

Příklady

Příklad 1. Subscribe to a topic

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