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May 28, 2021 08:27 pm GMT

How to create a multilingual project in Laravel 8 (i18n)

This tutorial explains how to create a language system and be able to change the language in the menu with the corresponding translations.

I will try to be clear and concise

Setup

First, you need to create a controller App/Http/Controllers to record the language in session and be able to retrieve it with the middleware we will create just after :

namespace App\Http\Controllers;use App;use Illuminate\Http\RedirectResponse;class LocalizationController extends Controller{    /**     * @param $locale     * @return RedirectResponse     */    public function index($locale)    {        App::setLocale($locale);        session()->put('locale', $locale);        return redirect()->back();    }}

Now, you must create a middleware App/Http/Middleware to retrieve the language that was recorded in session :

namespace App\Http\Middleware;use App;use Closure;class Localization{    /**     * Handle an incoming request.     * @param \Illuminate\Http\Request $request     * @param \Closure $next     * @return mixed     */    public function handle($request, Closure $next)    {        if (session()->has('locale')) {            App::setLocale(session()->get('locale'));        }        return $next($request);    }}

After that, you must save the middleware in app/http/Kernel.php :

    /**     * The application's route middleware groups.     * @var array     */    protected $middlewareGroups = [        'web' => [            (...)            \App\Http\Middleware\Localization::class,        ],        (...)    ];

Finaly, create a route to change the language :

use App\Http\Controllers\LocalizationController;Route::get('lang/{locale}', [App\Http\Controllers\LocalizationController::class, 'index']);

Create the dropdown

First, you must create a flag folder in public/images and store flags images inside :

Secondly, in your menu, insert this code to be able to switch from one language to another :

@php $locale = session()->get('locale'); @endphp<li class="nav-item dropdown">    <a id="navbarDropdown" class="nav-link dropdown-toggle" href="#" role="button"       data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" v-pre>        @switch($locale)            @case('en')            <img src="{{asset('images/flag/en.png')}}" width="25px"> English            @break            @case('fr')            <img src="{{asset('images/flag/fr.png')}}" width="25px"> Franais            @break            @default            <img src="{{asset('images/flag/en.png')}}" width="25px"> English        @endswitch        <span class="caret"></span>    </a>    <div class="dropdown-menu dropdown-menu-right" aria-labelledby="navbarDropdown">        <a class="dropdown-item" href="lang/en"><img src="{{asset('images/flag/en.png')}}" width="25px"> English</a>        <a class="dropdown-item" href="lang/fr"><img src="{{asset('images/flag/fr.png')}}" width="25px"> Franais</a>    </div></li>

Let's try it

To test that everything works, insert this code on your homepage or any other page :

<h1>@lang("Bonjour")</h1>

Then to finish, in the resources/lang folder, you have to create a folder for each language you want (for example fr and en) and for each folder, do the following to take into account the text of the homepage to translate :

<?php// EN folderreturn [    'Bonjour' => 'Hello'];

Here we go, now if you click on the english flag in your menu, the Bonjour text will change to Hello.

Notice that if you need, there is another way to make translations using json :

{    "Bonjour" : "Hello"}

Resources

If you're looking for a lot a flags, I have a repository with :

284 flags of countries and unions all over the world
With name France.png or ISO 3166-1 alpha-2 codes fr.png
Available sizes: 1616, 2424, 3232, 4848, 6464, 128128
Icon formats: PNG

If you want more informations about localization, you can refer in official Laravel documentation : https://laravel.com/docs/8.x/localization

Original Link: https://dev.to/jeromew90/how-to-create-a-multilingual-project-in-laravel-internationalization-i18n-11ol

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