Laravel多语言切换故障：英文与孟加拉语功能失效求助

AI 小北

2026-5-20

Hey there! Sorry to hear your Laravel multi-language setup (English & Bengali) stopped working out of nowhere. Let’s troubleshoot this step by step. First, could you share the relevant parts of your config/app.php file? In the meantime, here are some common checks you can run to narrow down the issue:

Common Troubleshooting Steps for Laravel Localization Failure

Verify default & fallback locale settings
Double-check that your config/app.php has the correct locale values set. For example:
```
'locale' => 'en',
'fallback_locale' => 'en',
```
If you’re switching to Bengali dynamically, make sure you’re calling app()->setLocale('bn') in the right place—like a custom middleware, controller action, or route closure.
Confirm language files exist
Ensure you have a valid resources/lang/bn directory with matching translation files (like messages.php) that mirror the structure of your resources/lang/en folder. Missing or misnamed files are a super common culprit here.
Clear all Laravel caches
Cached configs or views can often break localization. Run these commands in your terminal to reset things:
```
php artisan config:clear
php artisan cache:clear
php artisan view:clear
```
Check your locale middleware (if using one)
If you’re using a custom middleware to set the user’s preferred locale, make sure it’s registered in app/Http/Kernel.php and that it’s properly executing the locale switch. A typical working middleware might look like this:
```
public function handle(Request $request, Closure $next)
{
    if (session()->has('locale')) {
        app()->setLocale(session()->get('locale'));
    }
    return $next($request);
}
```
Test raw translation calls
Try using __('your.translation.key') directly in a simple view or route to see if it returns the translated string. If it spits out the key itself instead of the translation, that usually means the key is missing from your Bengali language file.