src/EventSubscriber/LocaleSubscriber.php line 19
<?php
namespace App\EventSubscriber;
use JetBrains\PhpStorm\ArrayShape;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
class LocaleSubscriber implements EventSubscriberInterface
{
private mixed $defaultLocale;
public function __construct($defaultLocale = 'hr')
{
$this->defaultLocale = $defaultLocale;
}
public function onKernelRequest(RequestEvent $event)
{
$request = $event->getRequest();
$session = $request->getSession();
// Check if the user has already chosen a locale in a previous visit
$userLocale = $session->get('_locale');
if ($userLocale) {
$request->setLocale($userLocale);
} else {
$browserLocale = $this->getLocaleFromIp($request->getClientIp());
// No user choice stored, so proceed with automatic detection
//$browserLocale = $this->getLocaleFromAcceptLanguageHeader();
if ($browserLocale) {
$request->setLocale($browserLocale);
} else {
$request->setLocale($this->defaultLocale);
}
}
// Allow user to change the language and store it in the session
$newLocale = $request->query->get('_locale');
if (in_array($newLocale, ['hr', 'en', 'de', 'it', 'sl'])) {
$request->setLocale($newLocale);
$session->set('_locale', $newLocale);
}
}
#[ArrayShape([KernelEvents::REQUEST => "array[]"])] public static function getSubscribedEvents(): array
{
return [
KernelEvents::REQUEST => [['onKernelRequest', 20]],
];
}
private function getLocaleFromIp($ip)
{
$langs = ['hr', 'en', 'de', 'it', 'sl'];
$ipdat = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip));
$acceptLanguageHeader = $ipdat && $ipdat->geoplugin_countryCode ? strtolower($ipdat->geoplugin_countryCode) : "";
$preferredLanguages = array_map(
function ($language) {
return substr($language, 0, 2); // Extract the language code
},
explode(',', $acceptLanguageHeader)
);
foreach ($preferredLanguages as $preferredLang) {
if (in_array($preferredLang, $langs)) {
return $preferredLang;
}
}
return null;
}
private function getLocaleFromAcceptLanguageHeader()
{
$langs = ['hr', 'en', 'de', 'it', 'sl'];
$acceptLanguageHeader = $_SERVER['HTTP_ACCEPT_LANGUAGE'] ?? '';
$preferredLanguages = array_map(
function ($language) {
return substr($language, 0, 2); // Extract the language code
},
explode(',', $acceptLanguageHeader)
);
foreach ($preferredLanguages as $preferredLang) {
if (in_array($preferredLang, $langs)) {
return $preferredLang;
}
}
return null;
}
}