Create a subscription to a specified topic.


(PECL sam >= 0.1.0)

SAMConnection::subscribe Create a subscription to a specified topic.

Описание

string SAMConnection::subscribe ( string $targetTopic )

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

Список параметров

targetTopic

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

Возвращаемые значения

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.

Примеры

Пример #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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