Kotlin - Everything you need to know

Kotlin Details

February 26, 2026

Query Parameters

Adding a Controller

# --api adds methods for crud, not code only method
# remove --api if you want to create your own methods
php artisan make:controller <controllername> --api
# example : php artisan make:controller ProductController --api

Using a Controller

Import a

use App\Http\Controllers\ProductController;

Map a route to a function in controller

Route::get('/shorten', [ProductController::class, 'index']);

Middlewares

Create a middleware

php artisan make:middleware LogIpToDatabase

A middleware is created in app/Http/Middleware

Follow this https://laravel.com/docs/8.x/middleware to register a middleaware globally or route specific.

To call a middleware from a Controller, Use a contructor : https://stackoverflow.com/questions/43804752/laravel-adding-middleware-inside-a-controller-function.

There are 3 ways to use a middleware inside a controller.

1) Protect all functions in a Controller

 public function __construct()
 {
     $this->middleware('auth');
 }

2) Protect only some functions

 public function __construct()
 {
     $this->middleware('auth')->only(['functionName1', 'functionName2']);
 }

3) Protect all functions except some

 public function __construct()
 {
     $this->middleware('auth')->except(['functionName1', 'functionName2']);
 }

Here you can find all the documentation about this topic:Â Controller Middleware.

Models

Create a Model

php artisan make:model ProductModel --migration
// --migration to create a migration file

Edit table configuration in database>migrations>__created_migration.

Schema Docs : https://laravel.com/docs/4.2/schemahttps://laravel.com/docs/8.x/migrations#available-column-types

To Migrate

php artisan migrate

Add fillable in Model to specify what can be accept to store data in the database.

// example
protected $fillable = [
    'image',
    'title',
    'description',
];

Passing Body data to get values

$request->all();

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