Automatic Base Site URL Link in Codeigniter

<?php

/*

|————————————————————————–

| Base Site URL

|————————————————————————–

|

| URL to your CodeIgniter root. Typically this will be your base URL,

| WITH a trailing slash:

|

| http://example.com/

|

| If this is not set then CodeIgniter will guess the protocol, domain and

| path to your installation.

|

*/

$root =”http://”.$_SERVER[‘HTTP_HOST’];

$root .= str_replace(basename($_SERVER[‘SCRIPT_NAME’]),””,$_SERVER[‘SCRIPT_NAME’]);

$config[‘base_url’] = “$root”;

/*