> $tmp = "host=localhost dbname=gforge user=gforge password=gforge";
> $conn = @pg_connect($tmp);
>
> at this point $conn is not set... it should be a resouce if I've connect to
> the DB..!!!!!!!
Did you uncomment the below line in /etc/php.ini?
;extension=pgsql.so
If not do it and restart your httpd. Hope it helps.
regards,
bhuvaneswaran