web.php

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
 */

Route::get('/', function () {
    return view('welcome');
});

Route::get('/users', function () {
    $users = [
        '0' => [
            'first_name' => 'a',
            'last_name' => 'b'
        ],
        '1' => [
            'first_name' => 'c',
            'last_name' => 'd'
        ]
    ];
    return $users;
});