Using your own custom Routing or Event ServiceProvider globally in your Laravel app

<?php
// Foundation\Application.php
/**
 * Base application created for the purpose of setting up a custom router in L5, per
 * https://laracasts.com/discuss/channels/general-discussion/can-i-find-the-way-to-extend-router-or-replace-customer-router-class-on-laravel5
 */
namespace App\Foundation;

use App\Providers\RoutingServiceProvider; // your custom RoutingServiceProvider
use Illuminate\Events\EventServiceProvider;
use Illuminate\Foundation\Application as LaravelApplication;

class Application extends LaravelApplication {
	/**
	 * Register all of the base service providers.
	 * @return  void
	 */
	protected function registerBaseServiceProviders() {
		$this->register(new EventServiceProvider($this));
		$this->register(new RoutingServiceProvider($this));
	}
}

// bootstrap/app.php
// $app = new Illuminate\Foundation\Application(
$app = new App\Foundation\Application(
    realpath(__DIR__.'/../')
);

// ...