<?php
/*
* This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Bridge\Twig;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\User\UserInterface;
/**
* Exposes some Symfony parameters and services as an "app" global variable. * * @author Fabien Potencier <fabien@symfony.com> */class AppVariable
{
private $tokenStorage;
private $requestStack;
private $environment;
private $debug;
public function setTokenStorage(TokenStorageInterface $tokenStorage)
{ $this->tokenStorage = $tokenStorage;
} public function setRequestStack(RequestStack $requestStack)
{ $this->requestStack = $requestStack;
} public function setEnvironment(string $environment)
{ $this->environment = $environment;
} public function setDebug(bool $debug)
{ $this->debug = $debug;
} /**
* Returns the current token. * * @return TokenInterface|null * * @throws \RuntimeException When the TokenStorage is not available */ public function getToken()
{ if (null === $tokenStorage = $this->tokenStorage) {
throw new \RuntimeException('The "app.token" variable is not available.');
} return $tokenStorage->getToken();
} /**
* Returns the current user. * * @return UserInterface|null * * @see TokenInterface::getUser() */ public function getUser()
{ if (null === $tokenStorage = $this->tokenStorage) {
throw new \RuntimeException('The "app.user" variable is not available.');
} if (!$token = $tokenStorage->getToken()) {
return null;
} $user = $token->getUser();
// @deprecated since Symfony 5.4, $user will always be a UserInterface instance
return \is_object($user) ? $user : null;
} /**
* Returns the current request. * * @return Request|null */ public function getRequest()
{ if (null === $this->requestStack) {
throw new \RuntimeException('The "app.request" variable is not available.');
} return $this->requestStack->getCurrentRequest();
} /**
* Returns the current session. * * @return Session|null */ public function getSession()
{ if (null === $this->requestStack) {
throw new \RuntimeException('The "app.session" variable is not available.');
} $request = $this->getRequest();
return $request && $request->hasSession() ? $request->getSession() : null;
} /**
* Returns the current app environment. * * @return string */ public function getEnvironment()
{ if (null === $this->environment) {
throw new \RuntimeException('The "app.environment" variable is not available.');
} return $this->environment;
} /**
* Returns the current app debug mode. * * @return bool */ public function getDebug()
{ if (null === $this->debug) {
throw new \RuntimeException('The "app.debug" variable is not available.');
} return $this->debug;
} /**
* Returns some or all the existing flash messages: * * getFlashes() returns all the flash messages * * getFlashes('notice') returns a simple array with flash messages of that type * * getFlashes(['notice', 'error']) returns a nested array of type => messages. * * @return array */ public function getFlashes($types = null)
{ try { if (null === $session = $this->getSession()) {
return []; } } catch (\RuntimeException $e) {
return []; } if (null === $types || '' === $types || [] === $types) {
return $session->getFlashBag()->all();
} if (\is_string($types)) {
return $session->getFlashBag()->get($types);
} $result = [];
foreach ($types as $type) {
$result[$type] = $session->getFlashBag()->get($type);
} return $result;
}}