install.constants.php

<?php
if ( !defined('BASE_URI') ) {
    define( 'BASE_URI', '../' );
    define('ASSETS_URL',BASE_URI . 'assets');
    define('ASSETS_CSS_URL', ASSETS_URL . '/css');
    define('ASSETS_IMG_URL', ASSETS_URL . '/img');
    define('ASSETS_JS_URL', ASSETS_URL . '/js');
    define('ASSETS_LIB_URL', ASSETS_URL . '/lib');
    define('PUBLIC_DOWNLOAD_URL',BASE_URI.'download.php');
    define('PUBLIC_LANDING_URI',BASE_URI.'public.php');
    define('PUBLIC_GROUP_URL',BASE_URI.'public.php');
    define('WIDGETS_URL',BASE_URI.'includes/widgets/');
}