mysqli_ping
(PHP 5)
mysqli_ping(no version information, might be only in CVS)
mysqli->ping() -- Pings a server connection, or tries to reconnect if the connection has gone downOpis
Procedural style:
bool mysqli_ping ( mysqli link )Object oriented style (method):
class mysqli {bool ping ( void )
}
Checks whether the connection to the server is working. If it has gone down, and global option mysqli.reconnect is enabled an automatic reconnection is attempted.
This function can be used by clients that remain idle for a long while, to check whether the server has closed the connection and reconnect if necessary.
Parametry
link
Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Przykłady
Przykład 2. Procedural style
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Powyższy przykład wyświetli:
Our connection is ok! |
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