SAMConnection::isConnected

(PECL sam >= 0.1.0)

SAMConnection::isConnected — Queries whether a connection is established to a Messaging Server

说明

bool SAMConnection::isConnected ( void )

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!' ;
}

 ?>

参见

SAMConnection::disconnect
SAMConnection::connect