SAMConnection::unsubscribe
(PECL sam >= 0.1.0)
SAMConnection::unsubscribe — Cancel a subscription to a specified topic
说明
SAMConnection::unsubscribe (
string
$subscriptionId [,
string $targetTopic ] ) :
bool
The "unsubscribe" method is used to delete an existing subscription to a specified topic.
参数
-
subscriptionId -
The identifier of an existing subscription as returned by a call to the subscribe method.
返回值
This method returns FALSE if an error occurs.
范例
Example #1 Delete a subscription
<?php
if (!$conn->unsubscribe($subid)) {
// The unsubscribe failed!
echo "Unsubscribe failed ($conn->errno) $conn->error";
}
?>
