LaravelHow-ToBeginner · 3 min read

How to Use Middleware in Route in Laravel: Simple Guide

In Laravel, you use middleware in routes by adding the middleware() method to your route definition. This method accepts the middleware name(s) as a string or array to apply specific logic before the route executes.

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Syntax

To use middleware in a Laravel route, you attach it using the middleware() method on the route definition. You can pass a single middleware as a string or multiple middlewares as an array.

Route::get(...)->middleware('auth'): Applies the 'auth' middleware to the route.
Route::post(...)->middleware(['auth', 'verified']): Applies multiple middlewares in order.

php

Route::get('/dashboard', function () {
    // Your code here
})->middleware('auth');

Route::post('/profile', function () {
    // Your code here
})->middleware(['auth', 'verified']);

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Example

This example shows a route that uses the built-in auth middleware to restrict access to authenticated users only. If a user is not logged in, they will be redirected to the login page automatically.

php

<?php

use Illuminate\Support\Facades\Route;

Route::get('/dashboard', function () {
    return 'Welcome to your dashboard!';
})->middleware('auth');

Output

If user is logged in: Displays 'Welcome to your dashboard!' If user is not logged in: Redirects to login page

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Common Pitfalls

Common mistakes when using middleware in routes include:

Forgetting to register custom middleware in app/Http/Kernel.php.
Passing middleware names incorrectly (e.g., using class names instead of registered keys).
Not applying middleware to the correct route or group.

Always ensure middleware is registered and referenced by its key.

php

/* Wrong way: Using class name directly without registration */
Route::get('/admin', function () {
    // admin page
})->middleware(\App\Http\Middleware\CheckAdmin::class);

/* Right way: Register middleware in Kernel.php and use key */
// In app/Http/Kernel.php
// 'admin' => \App\Http\Middleware\CheckAdmin::class,

Route::get('/admin', function () {
    // admin page
})->middleware('admin');

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Quick Reference

Summary tips for using middleware in Laravel routes:

Use middleware('name') to apply middleware to a single route.
Use middleware(['name1', 'name2']) to apply multiple middlewares.
Register custom middleware in app/Http/Kernel.php before use.
Group routes with middleware using Route::middleware('name')->group(function () { ... }).

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Key Takeaways

Attach middleware to routes using the middleware() method with middleware keys.

You can apply one or multiple middlewares by passing a string or array respectively.

Middleware controls access or modifies requests before the route logic runs.

Use route groups to apply middleware to many routes at once for cleaner code.