Twig:工作国际化 (i18n) 示例 [英] Twig: Working internationalization (i18n) example

问题描述

I am looking for a working i18n example for Twig (the template engine).

Documentation is a bit sparse when it comes to language files. Where should they go, how should they look and what should they be named? I have been trying with .po/.mo files, no luck.

If someone could point me in the right direction...

See: the i18n extension example which does not really tell me much about the language files themselves.

Note: I want to use Twig on its own, not as part of Symfony.

Here is my php-file:

 <?php
header('Content-Type: text/html; charset=utf-8');

$vars = array();
foreach($_POST as $key => $value) {
    $vars[$key] = json_decode(utf8_encode(urldecode($value)));
}

/* Prepare Twig template enginge */
require_once './lib/Twig/Autoloader.php';
Twig_Autoloader::register();

$loader = new Twig_Loader_Filesystem('./templates');
$twig = new Twig_Environment($loader, array(
    //'cache' => './cache',
    'cache' => false
));

/* i18n */
$twig->addExtension(new Twig_Extensions_Extension_I18n());

$availableLanguages = array(
    'en' => 'en_EN',
    'de' => 'de_DE',
    'default' => 'de_DE'
);

// Set language
$locale = array_key_exists($_GET['lang'], $availableLanguages) ? $availableLanguages[$_GET['lang']] : $availableLanguages['default'];
putenv('LC_ALL='.$locale);
setlocale(LC_ALL, $locale);

// Specify the location of the translation tables
bindtextdomain('kalkulator', 'includes/locale');
bind_textdomain_codeset('kalkulator', 'UTF-8');

// Choose domain
textdomain('kalkulator');

$template = $twig->loadTemplate('print.tpl');

$html = $template->render($vars);

switch($_GET['action']) {
    case 'mail':

    break;
    default:
        echo $html;
    break;
}


?>

And inside includes/locale I have the following files:

-rw-r--r--  1 user group  670 Jul 28 10:17 kalkulator-de_DE.mo
-rw-r--r--  1 user group  982 Jul 28 10:22 kalkulator-de_DE.po
-rw-r--r--  1 user group  688 Jul 28 10:38 kalkulator-en_EN.mo
-rw-r--r--  1 user group 1004 Jul 28 10:38 kalkulator-en_EN.po

And inside the print.tpl file I am using tags to specify which parts are to be translated:

{% trans %}
Text to be translated
{% endtrans %}

解决方案

The twig i18n extension is based on gettext. So first of all everything related to gettext applies. You find that documented here: Gettext ^Docs.

So now to the more concrete parts of you question, but please ensure you've at least understood the basic principles with gettext:

Where should they [the language files] go

Into the directory that has been registered for the text-domain.

, how should they look and what should they be named?

Language files should be named the following:

text-domain-locale.po/mo

Example for a text domain called myAppPhp and the fr_FR locale:

myAppPhp-fr_FR.po
myAppPhp-fr_FR.mo

I have been trying with .po/.mo files, no luck.

.po/.mo sounds good to me, maybe you have just missed the path where to move them or you have forgotten to add the text-domain in front.

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