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Translation Laravel Package
symfony/translation
Symfony Translation component for internationalizing apps: manage translators, message catalogs, pluralization and locales, load translations from arrays/files, and translate strings with parameters and domains. Install via Composer and integrate in Symfony or standalone PHP.
Provides tools to internationalize your application
Frequently asked questions about Translation
- Can I use Symfony Translation as a direct drop-in replacement for Laravel’s trans() helper?
- Yes, Symfony’s Translator maintains the same method signature as Laravel’s `trans()` helper. You can replace Laravel’s translation system incrementally by binding Symfony’s Translator to Laravel’s service container. The SymfonyBridge package further simplifies integration by providing Laravel-specific adapters.
- What Laravel versions does Symfony Translation support?
- Symfony Translation is framework-agnostic and works with any Laravel version (5.8+ recommended). For Laravel 8+, ensure compatibility with Symfony 5.4+ (or newer). Older Laravel versions may require minor adjustments, like manually binding the Translator to the service container.
- How do I migrate from Laravel’s lang/ files to Symfony’s translation formats (XLIFF, JSON, etc.)?
- Use Symfony’s `TranslationExtractor` to parse Laravel’s lang/ files into structured formats like XLIFF or JSON. Replace Laravel’s `FileLoader` with Symfony’s `XliffFileLoader` or `JsonFileLoader` via service binding. Tools like `symfony translation:extract` automate string extraction for new projects.
- Does Symfony Translation support pluralization for languages like Russian or Arabic?
- Yes, Symfony uses ICU (International Components for Unicode) for advanced pluralization and number formatting, which Laravel’s gettext-based system lacks. This ensures accurate translations for languages with complex grammar rules, such as Russian, Arabic, or Thai.
- Can I cache translations in Redis or another PSR-6 cache for performance?
- Absolutely. Symfony’s Translator supports PSR-6 caches (e.g., Redis, APCu) via adapters like `Psr6CacheAdapter`. Wrap Laravel’s Cache facade to integrate seamlessly. This is ideal for high-traffic Laravel apps where translation lookups need to be low-latency.
- How do I handle real-time translations (e.g., user-generated content) in Laravel?
- Use Symfony’s `DoctrineLoader` to fetch translations dynamically from a database. For APIs like Crowdin or Lokalise, integrate Symfony’s `TranslationPushCommand` to sync translations in real-time. This avoids file-based delays and supports collaborative workflows.
- What’s the best way to configure fallback locales (e.g., pt_BR → pt → en) in Laravel?
- Symfony’s Translator supports hierarchical fallbacks out of the box. Configure them in your Laravel service provider using `setFallbackLocales(['pt_BR' => ['pt', 'en']])`. This prevents missing translation errors while maintaining flexibility for edge cases.
- Are there any breaking changes when upgrading from Symfony Translation v5 to v6+?
- Symfony v6+ deprecates `TranslatableMessage::__toString()` in favor of explicit `trans()` calls, which aligns with Laravel’s existing `trans()` helper. No breaking changes are expected for Laravel integrations, but test pluralization and domain-specific translations post-upgrade.
- Can I use Symfony Translation alongside Laravel’s built-in translation system without conflicts?
- Yes, adopt it incrementally. Start by using Symfony’s Translator for new features (e.g., validation messages) while keeping Laravel’s `trans()` for legacy code. Bind both translators to the service container and route calls via a custom facade or middleware.
- What alternatives exist for Laravel i18n if Symfony Translation feels too heavy?
- Lighter alternatives include `laravel-i18n` (file-based, simple) or `spatie/laravel-translatable` (for database-driven translations). However, Symfony Translation offers superior pluralization, format support, and scalability for large-scale apps. For microservices, consider `php-gettext` for gettext compatibility.
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