Yii Front Controller Implementation before Routing

Question

I want to implement a language Setter for all Controllers and need to run this method before the Routing to the Controller -> the front Controller.

If have implemented a method in my Controller Class, but for some usages it must be run earlier before controller initilisation

class Controller extends CController
{
  public function __construct($id, $module = null)
  {


    // Set the application language 

    if (isset($_GET['language']))
    {
        $lang = $_GET['language'];

Answer 1

You could use the onBeginRequest event of the application. This usually requires you to add some code to your index.php. Here's a quick example:

$app = Yii::createWebApplication($config);
$app->onBeginRequest = function($event) {
    // ... whatever you want to do
}
$app->run();

Of course instead of a closure function you can also attach any other valid callback.

Answer 2

You can override beforeAction($action)

class Controller extends CController
{
  public function beforeAction($action)
  {
    $language = !empty($_GET['lang']) ? $_GET['lang'] : 'en';
    return parent::beforeAction($action);
  }
}