PHP and POSTGRES under windows

I have recently installed PHP and postgres(windows
version by peerdirect) I accomplished linking the
extension of postgres to php and made postgres to work
with pgadminnII but I can't connect to the database
using postgres functions this error always shows up on
my page:
"Unable to connect to PostgreSQL server:
connectDBStart() -- socket() failed: errno=2 No such
file or directory "
and this code is what I use to connect to the DB
"<?php
// Database variables
// $dbhost = "db";
$dbname = "hbcdb";
$dbusername = "Mondi0924";
$dbpassword = "1236964";

$dbconn = pg_connect("dbname=$dbname
user=$dbusername password=$dbpassword port=80");
if (!$dbconn)
{
header("Location: error.php3?errorcode=1");
exit;
}
?>"
I have been using postgres in the office using a linux
server thats why I need postgres at home could you
please help me thx.

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