pg_ping
    (PHP 4 >= 4.3.0)
pg_ping -- Ping database connection
Description
bool 
pg_ping ( resource connection)
     pg_ping() ping database connection, try to
     reconnect if it is broken. It returns TRUE if connection is
     alive, otherwise FALSE.
    
     
Example 1. pg_ping() example <?php 
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
    echo "An error occured.\n";
    exit;
}
if (!pg_ping($conn))
    die("Connection is broken\n");
?> |  
  | 
    
     See also pg_connection_status() and
     pg_connection_reset().