Get language prefixing in URLs from Laravel 3 back into Laravel 4.

gistfile1.php

<?php
/*
 * Multilingual URLs in Laravel 4
*/


//config/app.php

return array(
    ...
    'languages' => array('en', 'gr'),
    ...
);

// filters.php

App::before(function($request)
{
    $uri = $request->server->get('REQUEST_URI');
    if ( in_array(Request::segment(1), Config::get('app.languages')) ) {
		Session::put('locale', Request::segment(1));
		return Redirect::to(substr(Request::path(), 3));
	}
    if ( Session::has('locale') ) {
        App::setLocale(Session::get('locale'));
    }
});