RailwayTwo/app/Http/Controllers/Admin/TestController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;


class TestController extends Controller
{
    public function index(Request $request)
    {
        dd(User::first()->projects->implode('name', ','));
    	return view('admin.test.index');
    }
}