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Gettext

Created by Oscar Otero http://oscarotero.com oom@oscarotero.com

GNU Affero GPL version 3. http://www.gnu.org/licenses/agpl-3.0.html

Gettext is a PHP library to import/export/edit gettext from PO, MO, PHP, JS files, etc.

Features:

  • Written in php 5.3
  • Extensible with plugins

Contains the following classes:

  • Gettext\Translation - Contains a translation definition
  • Gettext\Entries - A translations collection
  • Gettext\Translator - A gettext implementation for PHP

Extractors

The extrators are classes that extract the gettext values from any source and return a Gettext\Entries instance with them.

  • Gettext\Extractors\PhpCode - Scan a php file looking for all gettext functions to collect their strings
  • Gettext\Extractors\JsCode - Scan a javascript file looking for all gettext functions to collect their strings
  • Gettext\Extractors\PhpArray - Gets the strings from a php file that returns an array of values (complement of PhpArray generator)
  • Gettext\Extractors\Po - Gets the strings from PO files
  • Gettext\Extractors\Mo - Gets the strings from MO files

Generators

Generators take a Gettext\Entries instance and export the data in any of the following format.

  • Gettext\Generators\Mo - Generate a Mo file
  • Gettext\Generators\Po - Generate a Po file
  • Gettext\Generators\Jed - Generate a json file compatible with Jed library
  • Gettext\Generators\PhpArray - Generate a Php file that returns an array with all values

HOW TO USE?

First, lets scan a Po file:

//Include the autoloader if you don't use composer or PSR-0 loader
include('myLibsFolder/Gettext/autoloader.php');

use Gettext\Extractors\Po as PoExtractor;

$translations = PoExtractor::extract('my-file.po');

Now, we can edit some translations:

$translation = $translations->find(null, 'apples');

if ($translation) {
	$translation->setTranslation('Mazáns');
}

And export to a php file and a json file for use with Jed library (http://slexaxton.github.com/Jed/:

use Gettext\Generators\PhpArray as PhpArrayGenerator;
use Gettext\Generators\Jed as JedGenerator;

PhpArrayGenerator::generateFile($translations, 'locate.php');
JedGenerator::generateFile($translations, 'locate.json');

Now we can use this translations into our code:

use Gettext\Translator as Gt;

Gt::loadTranslations('locate.php');

echo Gt::gettext('apples'); //Returns Mazás

You can use the translator functions, a short version of Gettext\Translator for more confort:

echo __('apples'); //Returns Mazás

__e('apples'); //echo Mazás

And you can use the same translations in javascript with the Jed library (http://slexaxton.github.com/Jed/)

$.getJSON('locate.json', function (locale) {
	i18n = new Jed({
		locale_data: locale
	});

	alert(i18n.gettext('apples')); //alerts "Mazás"
});

TO-DO

  • Custom plural parser
  • Working with domains

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PHP-JS gettext manager

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