e' piu' elegante e ti mette a disposizione varie funzioni

codice:
<?php

require_once 'DB.php'

function postgreConnection( $HOST, $DBname, $User, $Password ) 
{
    $dsn=array(
         'phptype' => 'pgsql',
         'username' => $User,
         'password' => $password,
         'hostspec' => $HOST,
         'database' => $DBname, );

    $connection=& DB::connect($dsn)
    if(DB::isError($connection))
    {
         die($connection->getMessage());
    }
    return($connection)
}

?>