Magento 2.x PHP Bootstrap file with Logging

mb-m2-bootstrap.php

<?php

//                                                B00MER / [email protected] 
// ============================================================================
// Adding Logging ability from start with Mage::Log no longer available 
// globally + a few PHP specific values. Feel free to re-use as needed!
// Quick dirty PHP bootstrapped with framework. Technically you should use 
// the Dev Test area with Unit Testing: /dev/tests/test.php instead
// ============================================================================

// Set basic PHP settings for development
ini_set('display_errors', 1); 
ini_set('memory_limit','10242M');
error_reporting(E_ALL | E_STRICT); 
set_time_limit(0);
umask (0);

// Set developer mode
define('MAGE_MODE', 'developer'); 
$_SERVER['MAGE_MODE'] = MAGE_MODE;

// This dev test file meant to sit in the root magento folder
define('MAGENTO_ROOT', getcwd()); // adjust accordingly if elsewhere.
require MAGENTO_ROOT . '/app/bootstrap.php';

use Magento\Framework\App\Bootstrap;
use Magento\Framework\App\Filesystem\DirectoryList;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;

// ============================================================================
// Basic Framework initialize, get objects, state of app, 
// define front-end & load a quote from checkout session.
// ============================================================================
// Init bootstrap
$bootstrap = Bootstrap::create(BP, $_SERVER);

// Object Manager & State of App
$obj = $bootstrap->getObjectManager();
$state = $obj->get('Magento\Framework\App\State');

// Assume front-end, get the quote id 1
$state->setAreaCode('frontend');
$quote = $obj->get('Magento\Checkout\Model\Session')->getQuote()->load(1);

// ============================================================================
// Creating a log entry since Mage::Log() is not available anywhere globally.
// Make note of the MonoLog class combined with File system class.
// ============================================================================
// Create log file to debug output (/var/log/thisfilename.log)
define('DS', DIRECTORY_SEPARATOR);
define('CURRENT_PHP_FILENAME', pathinfo(__FILE__, PATHINFO_FILENAME));
$logFile = DirectoryList::VAR_DIR . DS . DirectoryList::LOG . DS . 
           CURRENT_PHP_FILENAME . '.log';

// create a log stream handler
$log = new Logger('log');
$log->pushHandler(new StreamHandler($logFile, Logger::DEBUG));

// log debug output $log/$bootstrap methods & display Quote Id 1 to screen
$log->debug(print_r(get_class_methods($log),true));
$log->debug(var_export(get_class_methods($bootstrap),true));

echo "Is Developer Mode Set? ";
echo $bootstrap->isDeveloperMode() ? 'true' : 'false';
echo PHP_EOL;
print_r($quote->getOrigData());