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Creating controller in laravel

How to create controller in Laravel 8?

Aman Jain, November 7, 2021November 5, 2023

In Laravel controller is most important part to create the connection between our business logic to our view. we will learn create controller in laravel 8.Laravel is a MVC pattern and C stands for controller.

It’s responsible for to receive the input from user, process them and validate the input then it send to model and business logic of our application.

Default directory for controllers in Laravel 8 is app\Http\Controllers.

Let’s create a controller in Laravel 8

Create controller in laravel 8

There is 2 ways to create the controller

  1. Using Artisan command
  2. Creating controller manually in directory

Below is the command to create the controller using artisan

php artisan make:controller TestController

Also we can create manually in file system below file /app/Http/Controllers/TestController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class TestController extends Controller
{
    function index(){
     return "Hello";
    }
}

In the same way you can create a controller in subfolder

Create a controller in subfolder

php artisan make:controller Api/TestController

It will create the controller in app/Http/Controllers/Api/TestController.php 

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;

class TestController extends Controller
{
    //
}

Define the route for controller

We have successfully created our controller but route is not created yet for accessing for controller from URL, So create a route in route/web.php

<?php

use Illuminate\Support\Facades\Route;
use \App\Http\Controllers\TestController;

Route::get('/test',[TestController::class, 'index']);

Here, we imported TestController and then used in our get route. Whenever a request exact match with /test it will call the TestController index method with specified params.

Parametrized Route for controller

In above example we called a simple route to serve the request, now we will create a route with param

<?php

use Illuminate\Support\Facades\Route;
use \App\Http\Controllers\TestController;

Route::get('/test/{id}',[TestController::class, 'index']);

Here, we used {id} as paramo so our controller method will accept a param

 function index($id){
     return "Hello world $id";
 }

Creating Controller Middleware

In our last article Laravel middleware we demonstrate how to create and use middleware, now we can also use the middleware in controller.

There is 2 ways to use middleware in controller.

  1. In Route
  2. In Same Controller

Route Middleware

Route::get('/test', [TestController::class, 'index'])->middleware('auth');

In controller middleware we can define in same controller using $this->middleware in constructor

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class TestController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
        $this->middleware('log')->only('index');
     
    }

    function index(){
        
    }
}

I hope you find it well…

beenhere

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Aman Jain
Aman Jain

With years of hands-on experience in the realm of web and mobile development, they have honed their skills in various technologies, including Laravel, PHP CodeIgniter, mobile app development, web app development, Flutter, React, JavaScript, Angular, Devops and so much more. Their proficiency extends to building robust REST APIs, AWS Code scaling, and optimization, ensuring that your applications run seamlessly on the cloud.

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