si scusa
in questo modo:
la classe connessione e :
class Connessione {

var $hostname_Connections;
var $database_Connections;
var $username_Connections;
var $password_Connections;
var $Connections;

function Connessione()

{

$this->hostname_Connections = "xxxxxxx";
$this->database_Connections = "xxxxxxxx
$this->username_Connections = "xxxxxxx";
$this->password_Connections = "xxxxxxxxxx";
}


function connect()
{
$this->Connections = mysql_pconnect($this->hostname_Connections, $this->username_Connections, $this->password_Connections) or trigger_error(mysql_error(),E_USER_ERROR);
mysql_select_db($this->database_Connections , $this->Connections);
}

}



poi ho la classe Entity che utilizza la classe connessione per connetersi:


class Entity {
var $recordset;
var $recordset1;
var $query;
.........

........


function Entity() {
$myConn= new Connessione();


$myConn->connect();
$this->Connections=$myConn->Connections;

}

............





e bastata la riga di codice:

$myConn=new Connessione();
$myConn->connect();

$this->Connections=$myConn->Connections;