Laravel Localization – Multilingual support for views and routes

Laravel Localization is a feature that provides support for multiple languages in your Laravel applications, allowing you to build multilingual applications easily. It enables you to translate application strings, manage language files, and define localized routes.

 

Key Features of Laravel Localization:

1. Translation of Strings: Store translation strings in language files and retrieve them based on the user’s selected language.
2. Localized Routes: Define routes that change based on the selected language, improving user experience.
3. Date and Number Formatting: Automatically format dates, numbers, and currencies based on the locale.
4. Middleware Support: Use middleware to set the application’s locale based on user preferences or session data.

 

Setting Up Laravel Localization

1. Creating Language Files: Language files are typically stored in the resources/lang directory. Create directories for each language you want to support. For example, for English and Spanish:
   
   resources/lang/en/messages.php resources/lang/es/messages.php

   1 2	resources/lang/en/messages.php resources/lang/es/messages.php

    

   Each file returns an array of key-value pairs:

   English (resources/lang/en/messages.php):

   <?php return [ 'welcome' => 'Welcome to our application!', 'goodbye' => 'Goodbye!', ];

   1 2 3 4 5

   <?php return [     'welcome' => 'Welcome to our application!',     'goodbye' => 'Goodbye!', ];

   Spanish (resources/lang/es/messages.php):

   <?php return [ 'welcome' => '¡Bienvenido a nuestra aplicación!', 'goodbye' => '¡Adiós!', ];

   1 2 3 4 5

   <?php return [     'welcome' => '¡Bienvenido a nuestra aplicación!',     'goodbye' => '¡Adiós!', ];

2. Using Translation Strings in Views: In your Blade views, you can retrieve translation strings using the __ helper function:
   <h1>{{ __('messages.welcome') }}</h1>

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

   This will display “Welcome to our application!” in English or “¡Bienvenido a nuestra aplicación!” in Spanish, depending on the current locale.

3. Setting the Application Locale: You can set the application’s locale in the config/app.php file:
   'locale' => 'en',

   1	'locale' => 'en',

   You can also change the locale dynamically in your controllers or middleware:

   use Illuminate\Support\Facades\App; App::setLocale('es');

   1 2 3

   use Illuminate\Support\Facades\App;   App::setLocale('es');

4. Localizing Routes: You can define localized routes by grouping them under a language prefix. In routes/web.php, you can use route groups:
   Route::group(['prefix' => 'en'], function () { Route::get('/home', [HomeController::class, 'index'])->name('home'); }); Route::group(['prefix' => 'es'], function () { Route::get('/inicio', [HomeController::class, 'index'])->name('home'); });

   1 2 3 4 5 6 7

   Route::group(['prefix' => 'en'], function () {     Route::get('/home', [HomeController::class, 'index'])->name('home'); });   Route::group(['prefix' => 'es'], function () {     Route::get('/inicio', [HomeController::class, 'index'])->name('home'); });

   You can also use route model binding to localize routes based on the current locale.

5. Middleware for Localization: Create a middleware to handle locale detection and switching based on user preferences or URL parameters.You can create a middleware using:
   php artisan make:middleware Localization

   1	php artisan make:middleware Localization

   In your middleware, set the locale based on the user’s preference or URL parameter:

   namespace App\Http\Middleware; use Closure; use Illuminate\Support\Facades\App; class Localization { public function handle($request, Closure $next) { $locale = $request->get('lang', config('app.locale')); App::setLocale($locale); return $next($request); } }

   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

   namespace App\Http\Middleware;   use Closure; use Illuminate\Support\Facades\App;   class Localization {     public function handle($request, Closure $next)     {         $locale = $request->get('lang', config('app.locale'));         App::setLocale($locale);           return $next($request);     } }

   Register the middleware in app/Http/Kernel.php:

   protected $middlewareGroups = [ 'web' => [ // ... \App\Http\Middleware\Localization::class, ], ];

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   protected $middlewareGroups = [     'web' => [         // ...         \App\Http\Middleware\Localization::class,     ], ];

    

Conclusion

Laravel Localization allows you to build applications that can support multiple languages effortlessly. By leveraging translation files, localized routes, and middleware, you can provide a seamless experience for users across different languages.

 

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