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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL sam >= 0.1.0)
SAMConnection::isConnected — Queries whether a connection is established to a Messaging Server
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.
This method returns TRUE
if the SAMConnection object is successfully
connected to a Messaging server or FALSE
otherwise.
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!' ;
}
?>