minimum for run indiscriminated code in magento

magentoTest.php

<?php
// Show all errors
ini_set('display_errors', 1);
/**
 * Compilation includes configuration file
 */
define('MAGENTO_ROOT', getcwd());

// Include bootstrap file and Mage Class file
require MAGENTO_ROOT . '/app/bootstrap.php';
require_once MAGENTO_ROOT . '/app/Mage.php';
// Set developer mode
Mage::setIsDeveloperMode(true);

umask(0);

$storeId = 1;
// Init magento store
Mage::init($storeId);