Caramel-CRM/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Inertia\Inertia;
use Illuminate\Support\Facades\Blade;
use Illuminate\Support\Facades\Schedule;
use App\Jobs\CheckInvoiceDueDatesJob;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        //
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {
        Inertia::share([
            'flash' => function () {
                return [
                    'token' => session('token'),
                ];
            },
        ]);

        Blade::directive('toCurrency', function ($expression) {
            return "<?php echo number_format($expression, 2, ',', '.') . '&nbsp;€'; ?>";
        });

        Blade::directive('toCommaFloat', function ($expression) {
            return "<?php echo str_replace('.', ',', $expression); ?>";
        });
    }
}