auth.php

<?php
/**
 * Get current Laravel active session from outside laravel instance.
 * Tested Laravel 5.2
 * 
 * 
 */
function getLaravelUser()
{
    require __DIR__ . '\path\to\bootstrap\autoload.php';
	  require __DIR__ . '\path\to\bootstrap\app.php';

    $app->make('Illuminate\Contracts\Http\Kernel')->handle(Illuminate\Http\Request::capture());

    $id = $app['encrypter']->decrypt($_COOKIE[$app['config']['session.cookie']]);
    $app['session']->driver()->setId($id);
    $app['session']->driver()->start();

    return $app['auth']->user();
}