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
Descrição
Estilo procedural
maxdb_ping
( resource
$link
) : boolEstilo orientado à objeto
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.
Valor Retornado
Retorna TRUE em caso de sucesso ou FALSE em caso de falha.
Exemplos
Exemplo #1 Estilo orientado à objeto
<?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();
?>
Exemplo #2 Estilo 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);
?>
O exemplo acima irá imprimir algo similar à:
Our connection is ok!
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