SAMConnection::subscribe
(PECL sam >= 0.1.0)
SAMConnection::subscribe — Create a subscription to a specified topic
Описание
SAMConnection::subscribe
( string
$targetTopic
) : stringThe "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";
}
?>