PHP 5.4.36 Released

maxdb_ping

maxdb::ping

(PECL maxdb >= 1.0)

maxdb_ping -- maxdb::pingPings a server connection, or tries to reconnect if the connection has gone down

Descrierea

Stil procedural

bool maxdb_ping ( resource $link )

Stil obiect-orientat

bool maxdb::ping ( void )

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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