<?php namespace App\Providers; use Illuminate\Support\ServiceProvider; use Illuminate\Support\Str; class AppServiceProvider extends ServiceProvider { /** * Register any application services. * * @return void */ public function register() { // } /** * Bootstrap any application services. * * @return void */ public function boot() { Str::macro('currency', static function ($price) { return sprintf('%s €', number_format($price, 0, ',', ' ')); }); } }