api.php

<?php

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;

/*
|--------------------------------------------------------------------------
| API Routes
|--------------------------------------------------------------------------
|
| Here is where you can register API routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| is assigned the "api" middleware group. Enjoy building your API!
|
*/

Route::middleware('auth:api')->get('/user', function (Request $request) {
    return $request->user();
});

// View all classes
/*Route::get('/classes', function(){
	return response()->json(
		['maths', 'physics', 'english', 'Chinese']
	);
})->middleware('api');*/
Route::get('/classes', 'ClassController@allClasses')->middleware('api');
Route::get('/students', 'StudentController@getAllStudents')->middleware('api');

Route::get('/students/{id}', function($id){
	return response()->json('You asked for student with id ' . $id);
})->middleware('api');
// Refactor
/*Route::get('/students/{id}', 'StudentController@getSingleStudent');*/

Route::delete('/students/{id}', function($id){
	return response()->json('We are about to delete student with id ' . $id);
})->middleware('api');

Route::post('/students/new', function(Request $request){
	echo 'User name is ' . $request->input('name');
})->middleware('api');

Route::put('/students/{id}/update', function(Request $request, $id){

})->middleware('api');

// get | post | delete | put | patch

ClassController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class ClassController extends Controller
{
    public function allClasses() {
    	return response()->json(
			['maths', 'physics', 'english', 'Chinese']
		);
    }
}

StudentController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class StudentController extends Controller
{
    public function getAllStudents(){
    	return response()->json(
			['Goerge', 'Martin', 'yu', 'nandoa', 'nancy', 'Yie']
		);
    }
}