Providers\AppServiceProvider.php

<?php namespace App\Providers;

use Illuminate\Foundation\AliasLoader;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * This service provider is a great spot to register your various container
     * bindings with the application. As you can see, we are registering our
     * "Registrar" implementation here. You can add your own bindings too!
     *
     * @return void
     */
    public function register()
    {
        $this->registerServiceProviders();
    }

    private function registerServiceProviders()
    {
        $providers = [
            'Barryvdh\Debugbar\ServiceProvider',
            'Barryvdh\LaravelIdeHelper\IdeHelperServiceProvider',
        ];

        foreach ($providers as $provider)
        {
            $this->app->register($provider);
        }
    }
}