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Multi Language Switch In Laravel 11

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Before I wrote an post for the same topic, but it was written for Laravel 8. Now, I have updated it for Laravel 11.

Route set up

Open your route file routes\web.php and add the following code:

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Route::get('/lang/{locale}', function ($locale) {
    session()->put('locale', $locale);
    return redirect()->back();
});

Add middleware

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php artisan make:middleware Localization

Open the file app/Http/Middleware/Localization.php and edit as the following code:

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<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;
use Illuminate\Support\Facades\App;

class Localization
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse)  $next
     * @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
     */
    public function handle(Request $request, Closure $next)
    {
        //check if session has locale
        if (session()->has('locale')) {

            //set locale
            App::setLocale(session('locale'));
        }
        return $next($request);
    }
}

Then add the Localization middleware to the middlewareGroups section of bootstrap/app.php file as the following code:

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use Illuminate\Foundation\Application;
use Illuminate\Foundation\Configuration\Exceptions;
use Illuminate\Foundation\Configuration\Middleware;
use App\Http\Middleware\Localization;

return Application::configure(basePath: dirname(__DIR__))
    ->withRouting(
        web: __DIR__ . '/../routes/web.php',
        commands: __DIR__ . '/../routes/console.php',
        health: '/up',
    )
    ->withMiddleware(function (Middleware $middleware) {
        $middleware->appendToGroup('web', Localization::class);
    })
    ->withExceptions(function (Exceptions $exceptions) {
        //
    })->create();

Add language files

Here I use Chinese language to demonstrate how to add language support.

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php artisan lang:publish

In the directory lang create a cn.json file and add the following code: 

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{
    "Language": "选择语言",
    "Email": "电子邮件",
    "Password": "密码",
    "Log in": "登录",
    "Log Out": "登出",
    "Sign Up": "注册",
    "Reset Password": "重置密码",
    "Confirm Password": "确认密码",
    "New Password": "新密码",
    "Confirm New Password": "确认新密码",
    "Send Password Reset Link": "发送密码重置链接",
    "Remember me": "记住我",
    "Forgot your password?": "忘记密码？",
    "Forgot your password? No problem. Just let us know your email address and we will email you a\n            password reset link that will allow you to choose a new one.": "忘记密码？不用担心。请告诉我们你的电子邮件地址，我们将发送一个密码重置链接，这将允许你设置一个新的密码。",
    "Email Password Reset Link": "发送重置密码电子邮件",
    "Dashboard": "首页",
    "You're logged in!": "你已登录！",
    "A fresh verification link has been sent to your email address.": "新的验证链接已发送到您的 E-mail。",
    "All rights reserved.": "版本所有。",
    "Before proceeding, please check your email for a verification link.": "在继续之前请先验证您的 E-mail。",
    "click here to request another": "点击重新发送 E-mail",
    "E-Mail Address": "E-mail",
    "Error": "错误",
    "Forbidden": "访问被拒绝",
    "Forgot Your Password?": "忘记密码？",
    "Go Home": "回首页",
    "Hello!": "您好：",
    "hi": "嗨",
    "If you did not create an account, no further action is required.": "如果您未注册帐号，请忽略此邮件。",
    "If you did not receive the email": "如果您没有收到",
    "If you did not request a password reset, no further action is required.": "如果您未申请重设密码，请忽略此邮件。",
    "If you’re having trouble clicking the \":actionText\" button, copy and paste the URL below\ninto your web browser: [:actionURL](:actionURL)": "如果您点击「:actionText」按钮时出现问题，请复制下方链接到浏览器中开启： [:actionURL](:actionURL)",
    "Login": "登录",
    "Logout": "注销",
    "Name": "姓名",
    "Oh no": "不好了",
    "Page Expired": "页面会话已超时",
    "Page Not Found": "页面不存在",
    "Please click the button below to verify your email address.": "请点击下面按钮验证您的 E-mail：",
    "Regards": "致敬",
    "Register": "注册",
    "Remember Me": "记住我",
    "Reset Password Notification": "重设密码通知",
    "Service Unavailable": "暂时不提供服务",
    "Sorry, you are forbidden from accessing this page.": "很抱歉，你没有权限访问此页面。",
    "Sorry, the page you are looking for could not be found.": "很抱歉！您浏览的页面不存在。",
    "Sorry, you are making too many requests to our servers.": "很抱歉！您向我们的服务器发出太多请求了。",
    "Sorry, you are not authorized to access this page.": "很抱歉！您没有权限浏览此页面。",
    "Sorry, your session has expired. Please refresh and try again.": "很抱歉！您的 Session 已过期，请刷新后再试一次。",
    "Sorry, we are doing some maintenance. Please check back soon.": "很抱歉！我们正在维护网站，请稍候再回来。",
    "Toggle navigation": "切换导航",
    "Too Many Requests": "太多请求",
    "Unauthorized": "未授权",
    "Verify Email Address": "验证 E-mail",
    "Verify Your Email Address": "验证 E-mail",
    "You are receiving this email because we received a password reset request for your account.": "您收到此电子邮件是因为我们收到了您帐户的密码重设请求。",
    "Whoops!": "哎呀！",
    "Whoops, something went wrong on our servers.": "哎呀，我们的服务器出了问题。",
    "This password reset link will expire in :count minutes.": "此密码重置链接将会在:count分钟内失效。"
}

Place the trigger to your page

Now you can just switch the language package from eachother by adding the following code to your page:

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<a href="/lang/en">English</a>
<a href="/lang/cn">中文</a>

and put the content in __(‘content_you_want_to_translate’) in your blade file.

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{{__('Email')}}

That’s it, you can read Laravel Localization for more details