# Laravel Middleware - A Complete guide

Today we will take a detailed look into Laravel Middleware, and will understand its use of it.

## What is Middleware?

A Middleware is like a bridge between HTTP requests and responses. it provides a mechanism for inspecting and filtering HTTP requests entering your application.

Let's understand the Middleware by jumping into the code directly. After [Installing Laravel](https://dev.to/shanisingh03/how-to-install-laravel-9-25c4) let's see how we can create and use Middleware.

## How to Create a Middleware?

For creating a middleware we have to run a command, Let's say for creating a middleware to check the year in request named 'CheckYear'.
```php
php artisan make:middleware CheckYear
```

## Add a condition to Middleware

Let's Add a logic to add conditions in Middleware to check the year.

```php
<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;

class CheckYear
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse)  $next
     * @param String $year
     * @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
     */
    public function handle(Request $request, Closure $next, $year)
    {
        
        if($request->has('year') && ($request->year == $year)){

            return $next($request);
        }

        return redirect()->route('welcome');
    }
}
```

## Apply Middleware in `routes/web.php`
```php
Route::get('/user/create', [App\Http\Controllers\UserController::class, 'createUser'])->middleware(['check-year:2022']);

Route::get('/user/new', [App\Http\Controllers\UserController::class, 'createUser'])->middleware(['check-year:2023']);
```


You can create any other middleware and use it as per your requirement.

Here you will get a complete video tutorial on Youtube.

%[https://youtu.be/I2N1jAz8nxY]

If you face any issues while implementing, please comment on your query.

Thank You for Reading

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