sjaakp/yii2-polyglot Ultralight language chooser for the Yii 2.0 framework

yii2-polyglot

  1. Installation
  2. Using yii2-polyglot
  3. Bootstrap
  4. Widgets
Ultralight language chooser for Yii2

yii2-polyglot is an application component plus two widgets with flag buttons to choose the application language. It can be used in the Yii 2.0 PHP Framework.

yii2-polyglot was developed as an alternative to other language choosers, which in my opinion are often overly complex.

yii2-polyglot lets the user choose her favourite language by clicking on a flag button. The chosen language becomes the site's main language and is stored in a cookie.

A demonstration of Yii2-polyglot is here.

Installation

Install yii2-polyglot in the usual way with Composer. Add the following to the require section of your composer.json file:

"sjaakp/yii2-polyglot": "*"

or run:

composer require sjaakp/yii2-polyglot

You can manually install yii2-polyglot by downloading the source in ZIP-format.

Using yii2-polyglot

First of all, Polyglot should be installed as an application component. This is done in the main configuration file, usually called web.php or main.php in the config directory. Add the following to the configuration array:

<?php

'components' => [
    // ... other components, like 'cache' and 'errorHandler'
    'polyglot' => [
        'class' => 'sjaakp\polyglot\Polyglot',
        'languages' => [
            'en-US' => 'English',
            'de-DE' => 'Deutsch',
            'fr-FR' => 'Français',
            // ... more languages
        ]
    ],
    // ... even more components
    

The language property is an array of the languages (or more correctly the locales) the web site supports. The keys of this array are the names of the locales in the ICU-format, just like Yii recommends. One of the keys should be the same as the language-property of the application.

The values of the array should be one of the following:

  • string human-readable name of the language. It appears as popup tooltip.

  • array with two keys:

    • "label" the human-readable language name;
    • "flag" the name of the flag that will be displayed, without the .png-part.

So, to show the Dutch language with the Belgian flag, we would use:

<php 

'components' => [
    // ... other components, like 'cache' and 'errorHandler'
    'polyglot' => [
        'class' => 'sjaakp\polyglot\Polyglot',
        'languages' => [
            'en-US' => 'English',
            // ... more languages
            'nl-NL' => [
                'label' => 'Nederlands',
                'flag' => 'be'
            ]
        ]
    ],
    // ... even more components

If the array value is just a string, Polyglot tries to devise the flag name itself.

A bunch of flags (247 of them) can be found in yii2-polyglot's assets/flags directory. They are made by famfamfam, by the way.

Bootstrap

Polyglot has to be bootstrapped. Do this by adding the following to the application configuration array:

<php

'bootstrap' => [
    'polyglot',
]

There probably already is a bootstrap property in your configuration file; just add 'polyglot' to it.

Polyglot options

Apart from the languages-settings, Polyglot has three more options:

  • useCookie bool If set to false, Polyglot will not store the preferred language in a cookie, but in the PHP session. As a consequence, the language choice will only persist for one session. Default: true.
  • cookieName string Also used as the session key if useCookie is false. Default: "polyglot".
  • cookieStamina integer Cookie expiration time in seconds. Default: 31536000 (one year).

Widgets

There are two widgets in the yii2-polyglot package. PolyglotButtons displays the language options as a row of flag buttons. PolyglotDropdown is a dropdown menu. Rendering a yii2-polyglot widget anywhere in a View is just a matter of:

<?php
use sjaakp\polyglot\PolyglotButtons;
?>
...
<?= PolyglotButtons::widget() ?>;
...

Or:

<?php
use sjaakp\polyglot\PolyglotDropdown;
?>
...
<?= PolyglotDropdown::widget() ?>;
...

As you will most likely want to have the Polyglot widget on all of your pages, the preferable place for a widget would be the layout viewfile (or one of the layout viewfiles).

Widget options

PolyglotButtons and PolyglotDropdown have the following options:

  • options array HTML options for the surrounding element. Default: [].
  • buttonOptions array HTML options for the individual flag buttons. Default: [].
  • toggleOptions array (PolyglotDropdown only) HTML options for the toggle button. Default: ['class' => 'nav-link'].
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Yii Version: 2.0
License: MIT
Category: Others
Developed by: Sjaakp
Created on: Apr 22, 2019
Last updated: (not set)
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