SAMConnection::subscribe

(PECL sam >= 0.1.0)

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

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SAMConnection::subscribe ( string $targetTopic ) : string

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

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targetTopic

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

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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.

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Example #1 Subscribe to a topic

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