lol.php

<?php
require_once 'downloader/Maged/Controller.php';
define('MAGE_VERSION', Maged_Controller::getVersion());

/**
 * @global PDO the database connection used globally
 */
$DB = null;

/**
 * Create and open database connection object
 *
 * @param string $host Database host name
 * @param string $dbname Database name
 * @param string $user Database user
 * @param string $password Database password
 * @param string $port Database port
 * @param array $options extra parameters
 * @throws Exception when occurring error
 */
function open_db($host, $dbname, $user, $password, $port = "", $options = array()) {
        global $DB;

        // TODO assign the connection to global varriable $DB
        if($port != "") {
                $host = $host.":".$port;
        }

        if(!$DB = @mysql_connect($host, $user, $password)) {
                throw new Exception("Can't connect to mysql: ".mysql_error());
        }
        if(!mysql_select_db ($dbname, $DB)) {
                throw new Exception("Can't select database: ".mysql_error());
        }

        //$DB = mysql_connect($host, $user, $pass) or die("aaaaaaa");
        //mysql_select_db ($dbname, $DB) or die("bbbbbbb");
}