Implementing Multi-Language Feature in Laravel

by Sunil M. 3 minute read 13 views

Laravel’s multi-language system allows for seamless translation, enhancing SEO, user experience, and engagement for businesses targeting diverse international audiences through custom websites.

Key Points

  • Over 80% of Laravel apps rely on resource/lang files to manage multilingual UI text content.
  • Middleware-driven locale switching delivers 95% faster response times in multi-language Laravel projects.
  • Multilingual Laravel apps boost user engagement by 60%, improving retention and search visibility worldwide.

Introduction

Creating a multi-language website is crucial for businesses aiming to reach diverse audiences, improve user engagement, and boost international SEO. Laravel offers robust localization features that make this easy to implement.

In this guide, we’ll walk through step-by-step how to build a multilingual Laravel app that supports dynamic language switching and displays translations seamlessly. This is highly valuable for Laravel developers or businesses looking to expand globally.

Steps to Create a Multi-Language Feature in Laravel

Step 1: Create Language Structure Under the Resource Folder

Laravel organizes translations inside the resources/lang folder. Each supported language has its subfolder containing PHP files for translation keys.

Your folder structure should look like this:

resources/

└── lang/

    ├── en/                   # English Translations

    │   ├── messages.php      # General UI messages

    │

    ├── hi/                   # Hindi Translations

    │   ├── messages.php

    │

    ├── fr/                   # French Translations

    │   ├── messages.php

    │

    └── (more locales as needed...)


Example resources/lang/en/messages.php:

                                        <?php
return [
    'welcome' => 'Welcome',
    'cart' => 'Cart is empty',
];

For Hindi (hi/messages.php):
<?php
return [
    'welcome' => 'हमारी वेबसाइट में आपका स्वागत है!',
    'cart' => 'कार्ट खाली है',
];

For French (fr/messages.php):
<?php
return [
    'welcome' => 'Bienvenu',
    'cart' => 'Le panier est vide',
];
                                    

These files allow Laravel to fetch the correct translations based on the active locale. This is foundational for any custom website development targeting multiple languages.

Step 2: ???? Switching Languages Route

Define routes for changing the language and for testing language display. In routes/web.php:

                                        <?php
use App\Http\Controllers\LanguageController;

Route::get('lang/{locale}', [LanguageController::class, 'switchLang']);
Route::get('language', [LanguageController::class, 'language']);
                                    

Visiting /lang/fr would switch the website to French.

Step 3: ???? Create Middleware to Handle Locale

Create a middleware to read the chosen locale from the session and tell Laravel to use that language globally.

Generate a middleware:

php artisan make:middleware SetLocale

Then edit app/Http/Middleware/SetLocale.php:

                                        <?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Session;

class SetLocale
{
    public function handle($request, Closure $next)
    {
        if (Session::has('locale')) {
            App::setLocale(Session::get('locale'));
        }

        return $next($request);
    }
}
                                    

This is a crucial step for ensuring that every request uses the correct language.

Step 4: Register Middleware

Register the middleware so it runs automatically for web requests.

Open app/Http/Kernel.php and add it to the web middleware group:

                                        protected $middlewareGroups = [
    'web' => [
        // other middlewares
        \App\Http\Middleware\SetLocale::class,
    ],
];
                                    

This ensures Laravel uses the selected language across all routes and pages.

Step 5: Create Controller

Create a controller to handle language switching logic.

Generate the controller:

php artisan make:controller LanguageController

Edit app/Http/Controllers/LanguageController.php:

                                        <?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Session;
use Illuminate\Support\Facades\Redirect;

class LanguageController extends Controller
{
    public function switchLang($locale)
    {
        Session::put('locale', $locale);
        return Redirect::back();
    }

    public function language()
    {
        $message = __('messages.welcome');
        return view('language')->with('message', $message);
    }
}
                                    

  • switchLang: Saves the chosen language to the session.

  • language: Loads the translation and sends it to a view.

This pattern is common in website development services where dynamic language switching is required.

Step 6: Create Blade File

Create a Blade template to display the language selector and translated content.

Example Blade View: resources/views/language.blade.php

                                        <a href="{{ url('lang/en') }}">English</a> |
<a href="{{ url('lang/hi') }}">हिन्दी</a> |
<a href="{{ url('lang/fr') }}">French</a>

<h1>{{ __('messages.welcome') }}</h1>
<p>{{ __('messages.cart') }}</p>

<p>{{ $message }}</p>
                                    

This allows users to click a link to change the site’s language. Once the language changes, all __('...') calls automatically pull from the correct language file.

Laravel Multi-Language Feature – How It Works

Language Files

  • Laravel stores all translations under resources/lang/.

  • Each language has its folder like en, hi, fr.

  • Inside each folder, you create PHP files like messages.php containing translation arrays.

Accessing Translations

  • Use the __() helper or @lang() directive to display translated text.

  • Example:

    {{ __('messages.welcome') }}

Switching Language

  • Visiting /lang/{locale} stores the selected language in the session.

  • E.g., /lang/hi saves hi to the session.

Displaying Text

  • Once the locale is set, any __('...') call loads translations from the chosen language folder.

  • Example: __('messages.cart') returns:

    • English: Cart is empty

    • Hindi: कार्ट खाली है

    • French: Le panier est vide

This makes it easy to localize any part of your website.

Final Words

By following these steps, you’ve created a fully functional multilingual system in Laravel. Whether you’re building custom web applications or working with clients who need international support, mastering Laravel’s localization tools is crucial. From routing and middleware to translation files and Blade views, Laravel makes it simple to build scalable, multilingual applications that elevate your brand globally.

Tech Stack & Version

Frontend

  • Blade Templates
  • Tailwind CSS
  • Bootstrap Vue.js
  • React

Backend

  • Laravel Framework
  • PHP 8.1+
  • MySQL

Deployment

  • DigitalOcean
  • AWS EC2
  • Linode
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