SAMConnection->isConnected()

(No version information available, might be only in CVS)

SAMConnection->isConnected() — Queries whether a connection is established to a Messaging Server

说明

SAMConnection

bool 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()


	PHP5中文手册 SAMConnection->error SAMConnection->peek() SAM PHP Manual SAMConnection->isConnected() (No version information available, might be only in CVS) SAMConnection->isConnected() — Queries whether a connection is established to a Messaging Server 说明 SAMConnection bool 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() SAMConnection->error SAMConnection->peek() SAM PHP Manual