pg_get_pid
    (PHP 4 >= 4.3.0)
pg_get_pid -- Ping database connection
Description
int 
pg_get_pid ( resource connection)
     pg_get_pid() gets backend (database server
     process) PID. PID is useful to check if NOTIFY
     message is sent from other process or not.
    
     See also pg_get_notify()
    
     
| Esempio 1. PostgreSQL backend PID | <?php 
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
    echo "An error occured.\n";
    exit;
}
// Backend process PID. Use PID with pg_get_notify()
$pid = pg_get_pid($conn);
?> | 
 |