SAMConnection::isConnected
(PECL sam >= 0.1.0)
SAMConnection::isConnected — Queries whether a connection is established to a Messaging Server
说明
SAMConnection::isConnected
( void
) : bool
Calling the "isConnected" method on a Connection object will check whether the PHP script is connected to a messaging server. No messages can be sent or received unless a connection has been established with a Messaging server.
返回值
This method returns TRUE
if the SAMConnection object is successfully
connected to a Messaging server or FALSE
otherwise.
范例
Example #1 Checking whether there us a connection to a Messaging Server
<?php
if ($conn->isConnected()) {
echo 'Connection is active.';
} else {
echo 'No active connection!';
}
?>