Laravel Gettext

Laravel Gettext is a package compatible with the great Laravel PHP Framework. It provides a simple way to add localization support to Laravel applications. It is designed to work with GNU Gettext and PoEdit.

Note: branch 1.x is for Laravel 4.x, branch 2.x is for Laravel 5.x. This documentation applies to laravel 5.1 and 3.x branch. For older versions of laravel check the following links:

Latest Laravel 5.1+ stable release (3.0.2)

Latest Laravel 5.0 stable release (2.0.3)

Latest Laravel 4.x stable release (1.0.3)

Development master Unstable, only for development (dev-master)

1. Requirements

Composer - http://www.getcomposer.org
Laravel 5.* - http://www.laravel.com
php-gettext - http://www.php.net/manual/en/book.gettext.php
GNU Gettext on system (and production server!) - http://www.gnu.org/software/gettext/
PoEdit - http://poedit.net/

2. Install

Add the composer repository to your composer.json file:

    "xinax/laravel-gettext": "3.x"

And run composer update. Once it's installed, you can register the service provider in config/app.php in the providers array:

    'providers' = [
        // ...
        Xinax\LaravelGettext\LaravelGettextServiceProvider::class,
        // ...
    ]

Now you need to publish the configuration file in order to set your own application values:

    php artisan vendor:publish

This command creates the package configuration file in: config/laravel-gettext.php.

You also need to register the LaravelGettext middleware in the app/Http/Kernel.php file:

    protected $middleware = [
        // ...
        \Xinax\LaravelGettext\Middleware\GettextMiddleware::class,
        // ...
    ]

Be sure to add the line after Illuminate\Session\Middleware\StartSession, otherwise the locale won't be saved into the session.

3. Configuration

At this time your application have full gettext support. Now you need to set some configuration values in laravel-gettext.php.

    /**
     * Default locale: this will be the default for your application all 
     * localized strings. Is to be supposed that all strings are written 
     * on this language.
     */
    'locale' => 'es_ES',

    /**
     * Supported locales: An array containing all allowed languages
     */
    'supported-locales' => array(
        'es_ES',
        'en_US',
        'it_IT',
        'es_AR',
    ),

    /**
     * Default charset encoding.
     */
    'encoding' => 'UTF-8',

Ok, now is configured. It's time to generate the directory structure and translation files for first time.

Make sure you have wirte permissions on storage/ before run this command

    php artisan gettext:create

With this command the needed directories and files are created on resources/lang/i18n

4. Workflow

A. Write strings :D

By default LaravelGettext looks on app/Http/Controllers and resources/views recursively searching for translations. Translations are all texts printed with the _() function. Let's look a simple view example:

    // an example view file
    echo 'Non translated string';
    echo _('Translated string');
    echo _('Another translated string');
    // with parameter
    $str = 'parameter';
    echo sprintf(_('Translated string with %s'), $str);

    // an example view in blade
    {{ _('Translated string') }}

PoEdit doesn't "understand" blade syntax. When using blade views you must run php artisan gettext:update in order to compile all blade views to plain php before update the translations in PoEdit

B. Translate with PoEdit

Open the PO file for the language that you want to translate with PoEdit. The PO files are located by default in resources/lang/i18n/[locale]/LC_MESSAGES/[domain].po. If you have multiple gettext domains, one file is generated by each domain.

Once PoEdit is loaded press the Update button to load all localized strings. You can repeat this step anytime you add a new localized string.

Fill translation fields in PoEdit and save the file. The first time that you do this the MO files will be generated for each locale.

C. Runtime methods

To change configuration on runtime you have these methods:

    /**
     * Sets the Current locale.
     * Example param value: 'es_ES'
     *
     * @param mixed $locale the locale
     * @return LaravelGettext
     */
    LaravelGettext::setLocale($locale);

    /**
     * Gets the Current locale.
     * Example returned value: 'es_ES'
     *
     * @return String
     */
     LaravelGettext::getLocale();

    /**
     * Gets the language portion of the locale.
     * Eg from en_GB, returns en
     *
     * @return mixed
     */
    LaravelGettext::getLocaleLanguage()

    /**
     * Sets the Current encoding.
     * Example param value: 'UTF-8'     
     * 
     * @param mixed $encoding the encoding
     * @return LaravelGettext
     */
     LaravelGettext::setEncoding($encoding);

    /**
     * Gets the Current encoding.
     * Example returned value: 'UTF-8'       
     * 
     * @return String
     */
     LaravelGettext::getEncoding();

    /**
     * Sets the current domain
     * 
     * @param String $domain
     */
    LaravelGettext::setDomain($domain);

    /**
     * Returns the current domain
     *
     * @return String
     */
    LaravelGettext::getDomain();

    /**
     * Returns the language selector object
     *
     * @param  Array $labels 
     * @return LanguageSelector         
     */
    LaravelGettext::getSelector($labels = []);

5. Features and examples:

A. Route and controller implementation example:

app/Http/routes.php

    Route::get('/lang/{locale?}', [
        'as'=>'lang', 
        'uses'=>'HomeController@changeLang'
    ]);

app/Http/Controllers/HomeController.php

    /**
     * Changes the current language and returns to previous page
     * @return Redirect
     */
    public function changeLang($locale=null){
        
        LaravelGettext::setLocale($locale);
        return Redirect::to(URL::previous());

    }

B. A basic language selector example:

  <ul>
      @foreach(Config::get('laravel-gettext.supported-locales') as $locale)
            <li><a href="/lang/{{$locale}}">{{$locale}}</a></li>
      @endforeach
  </ul>

C. Built-in language selector:

You can use the built-in language selector in your views:

    LaravelGettext::getSelector()->render();

It also supports custom labels:

    LaravelGettext::getSelector([
        'en_US' => 'English',
        'es_ES' => 'Spanish',
        'de_DE' => 'Deutsch',
    ])->render();

D. Adding source directories and domains

You can achieve this editing the source-paths configuration array. By default resources/views and app/Http/Controllers are set.

    /**
     * Paths where PoEdit will search recursively for strings to translate. 
     * All paths are relative to app/ (don't use trailing slash).
     *
     * Remember to call artisan gettext:update after change this.
     */
    'source-paths' => array(
        'Http/Controllers',
        '../resources/views',
        'foo/bar',              // app/foo/bar
    ),

You may want your translations in different files. Translations in GNUGettext are separated by domains, domains are simply context names.

Laravel-Gettext set always a default domain that contains all paths that doesn't belong to any domain, its name is established by the 'domain' configuration option.

To add a new domain just wrap your paths in the desired domain name, like this example:

    'source-paths' => array(
        'frontend' => array(
            'Http/Controllers',
            '../resources/views/frontend',
        ),
        'backend' => array(
            '../resources/views/backend',
        ),
        '../resources/views/misc',
    ),

This configuration generates three translation files by each language: messages.po, frontend.po and backend.po

To change the current domain in runtime (a route-middleware would be a nice place for do this):

    LaravelGettext::setDomain("backend");

Remember: update your gettext files every time you change the 'source-paths' option, otherwise is not necessary.

    php artisan gettext:update

This command will update your PO files and will keep the current translations intact. After this you can open PoEdit and click on update button to add the new text strings in the new paths.

You can update only the files of a single domain with the same command:

    php artisan gettext:update --domain backend

E. About gettext cache

Sometimes when you edit/add translations on PO files the changes does not appear instantly. This is because the gettext cache system holds content. The most quick fix is restart your web server.

6. Contributing

If you want to help with the development of this package, you can:

Warn about errors that you find, in issues section
Send me a pull request with your patch
Fix my disastrous English in the documentation/comments ;-)
Make a fork and create your own version of laravel-gettext
Give a star!

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README.md

README.md

Laravel Gettext

1. Requirements

2. Install

3. Configuration

4. Workflow

A. Write strings :D

B. Translate with PoEdit

C. Runtime methods

5. Features and examples:

A. Route and controller implementation example:

B. A basic language selector example:

C. Built-in language selector:

D. Adding source directories and domains

E. About gettext cache

6. Contributing

Files

README.md

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README.md

File metadata and controls

Laravel Gettext

1. Requirements

2. Install

3. Configuration

4. Workflow

A. Write strings :D

B. Translate with PoEdit

C. Runtime methods

5. Features and examples:

A. Route and controller implementation example:

B. A basic language selector example:

C. Built-in language selector:

D. Adding source directories and domains

E. About gettext cache

6. Contributing