عايزه أعمل Redirect To Subdomain?

عايزه أعمل subdomain?

لدي سكربت يعمل دومين فرعي يهذه الطريقة

www.mydomain/user

عايزاه يعمل بالطريقة

user.mydomain

----

ملف htaccess:

RewriteEngine On

RewriteCond %{REQUEST_URI} !^/install/.*
RewriteCond %{REQUEST_URI} !^/design/.*
RewriteCond %{REQUEST_URI} !^/plugins/.*
RewriteRule ^index.php(/.*)$ /index.php?do=$1 [L]

RewriteCond %{REQUEST_URI} !^/file/.*
RewriteCond %{REQUEST_URI} !^/install/.*
RewriteCond %{REQUEST_URI} !^/design/.*
RewriteCond %{REQUEST_URI} !^/plugins/.*
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} !^/robots.txt
RewriteCond %{REQUEST_URI} !^/favicon.ico
RewriteRule ^(.*)$ /index.php?do=/$1 [L]

RewriteEngine on

ملف config.php:

<?php
global $_CONF;

$_CONF = array();
$_CONF['db']['host'] = 'localhost';
$_CONF['db']['user'] = '';
$_CONF['db']['pass'] = '';
$_CONF['db']['name'] = '';
$_CONF['db']['prefix'] = '';

$_CONF['path'] = dirname(dirname(dirname(__FILE__))).'/';
$_CONF['domain'] = '';
$_CONF['host'] = $_CONF['domain'].'/';
$_CONF['http'] = 'http://';
$_CONF['https'] = 'http://';

$_CONF['rewrite_engine']  = true;
$_CONF['path_translated'] = true;
?>