maxdb_ping
maxdb::ping
(PECL maxdb >= 1.0)
maxdb_ping -- maxdb::ping — Pings a server connection, or tries to reconnect if the connection has gone down
Descrierea
Stil procedural
maxdb_ping
( resource
$link
) : boolStil obiect-orientat
maxdb::ping
( void
) : bool
Checks whether the connection to the server is working. If it has gone
down, and global option maxdb.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.
Valorile întoarse
Întoarce valoarea TRUE în cazul
succesului sau FALSE în cazul eșecului.
Exemple
Example #1 Stil obiect-orientat
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* check if server is alive */
if ($maxdb->ping()) {
printf ("Our connection is ok!\n");
} else {
printf ("Error: %s\n", $maxdb->error);
}
/* close connection */
$maxdb->close();
?>
Example #2 Stil procedural
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* check if server is alive */
if (maxdb_ping($link)) {
printf ("Our connection is ok!\n");
} else {
printf ("Error: %s\n", maxdb_error($link));
}
/* close connection */
maxdb_close($link);
?>
Exemplul de mai sus va afișa ceva similar cu:
Our connection is ok!
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