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ActiveLibrary[Localization & i18n](/categories/localization)

switon/i18n
===========

Per-request locale, flat translation files, fallback lookup, and optional ICU formatting for Switon Framework

v1.0.0(1mo ago)041MITPHPPHP >=8.3CI passing

Since Jun 6Pushed 2mo agoCompare

[ Source](https://github.com/switon-php/i18n)[ Packagist](https://packagist.org/packages/switon/i18n)[ Docs](https://github.com/switon-php/i18n)[ RSS](/packages/switon-i18n/feed)WikiDiscussions main Synced 3w ago

READMEChangelogDependencies (5)Versions (2)Used By (1)

Switon I18n Package
===================

[](#switon-i18n-package)

[![CI](https://camo.githubusercontent.com/97e675fd3af2c812d7772b4dfd1a62b7d312a0e4cd362ff9f60d3e0878dbad1b/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f737769746f6e2d7068702f6931386e2f63692e796d6c3f6272616e63683d6d61696e266c6162656c3d4349)](https://github.com/switon-php/i18n/actions/workflows/ci.yml) [![PHP 8.3+](https://camo.githubusercontent.com/c03f51341eebaefabbf137e291b20523fc74b4ffd084406d88524d266d95085d/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5048502d382e332532422d373737424234)](https://www.php.net/)

Switon's locale-aware translation layer for request-local locale state, fallback lookup, and message formatting.

Highlights
----------

[](#highlights)

- **One translation entrypoint:** `TranslatorInterface` gives app services one place for message lookup.
- **Request-local locale:** the active locale stays isolated per request.
- **Fallback-aware lookup:** translation files can fall back through configured candidates.
- **Formatted messages:** placeholders and ICU formatting both work from the same source.
- **Missing-key reporting:** `TranslationKeyMissing` can surface which translations are still missing.

Installation
------------

[](#installation)

```
composer require switon/i18n
```

Quick Start
-----------

[](#quick-start)

```
use Switon\Core\Attribute\Autowired;
use Switon\Core\LocaleInterface;
use Switon\Core\TranslatorInterface;

class WelcomeService
{
    #[Autowired] protected TranslatorInterface $translator;
    #[Autowired] protected LocaleInterface $locale;

    public function message(string $name): string
    {
        $this->locale->set('en');

        return $this->translator->translate('hello', ['name' => $name]);
    }
}
```

Docs:

License
-------

[](#license)

MIT.

###  Health Score

39

—

LowBetter than 84% of packages

Maintenance87

Actively maintained with recent releases

Popularity5

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity48

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Unknown

Total

1

Last Release

48d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/dc0f20ad15b0ae9fbf9c6e2cd3008692b0c88a877ec8d3e0119211314bf86fc8?d=identicon)[switon](/maintainers/switon)

---

Top Contributors

[![switon-php](https://avatars.githubusercontent.com/u/247358032?v=4)](https://github.com/switon-php "switon-php (8 commits)")

---

Tags

i18nlocaleswitontranslationsi18ntranslationslocaleswiton

###  Code Quality

Static AnalysisPHPStan

Type Coverage Yes

### Embed Badge

![Health badge](/badges/switon-i18n/health.svg)

```
[![Health](https://phpackages.com/badges/switon-i18n/health.svg)](https://phpackages.com/packages/switon-i18n)
```

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