Symfony: Follow user locale through session
services:
subscriber.locale_listener:
class: AppBundle\EventListener\LocaleSubscriber
arguments: ['%kernel.default_locale%']
tags:
- { name: kernel.event_subscriber }
<?php
namespace AppBundle\EventListener;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class LocaleSubscriber implements EventSubscriberInterface
{
/**
* @var string
*/
private $defaultLocale;
/**
* @param string $defaultLocale
*/
public function __construct($defaultLocale = 'en')
{
$this->defaultLocale = $defaultLocale;
}
/**
* @param GetResponseEvent $event
*/
public function onKernelRequest(GetResponseEvent $event)
{
$request = $event->getRequest();
if (!$request->hasPreviousSession()) {
return;
}
if ($locale = $request->query->get('_locale')) {
$request->getSession()->set('_locale', $locale);
$request->setLocale($locale);
} else {
$request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
}
}
/**
* @return array
*/
public static function getSubscribedEvents()
{
return [
KernelEvents::REQUEST => [['onKernelRequest', 17]]
];
}
}