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Current File : //home/silvzytp/dsr_code/vendor/symfony/http-foundation/RequestStack.php |
<?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\Component\HttpFoundation; use Symfony\Component\HttpFoundation\Exception\SessionNotFoundException; use Symfony\Component\HttpFoundation\Session\SessionInterface; /** * Request stack that controls the lifecycle of requests. * * @author Benjamin Eberlei <kontakt@beberlei.de> */ class RequestStack { /** * @var Request[] */ private array $requests = []; /** * Pushes a Request on the stack. * * This method should generally not be called directly as the stack * management should be taken care of by the application itself. */ public function push(Request $request) { $this->requests[] = $request; } /** * Pops the current request from the stack. * * This operation lets the current request go out of scope. * * This method should generally not be called directly as the stack * management should be taken care of by the application itself. */ public function pop(): ?Request { if (!$this->requests) { return null; } return array_pop($this->requests); } public function getCurrentRequest(): ?Request { return end($this->requests) ?: null; } /** * Gets the main request. * * Be warned that making your code aware of the main request * might make it un-compatible with other features of your framework * like ESI support. */ public function getMainRequest(): ?Request { if (!$this->requests) { return null; } return $this->requests[0]; } /** * Returns the parent request of the current. * * Be warned that making your code aware of the parent request * might make it un-compatible with other features of your framework * like ESI support. * * If current Request is the main request, it returns null. */ public function getParentRequest(): ?Request { $pos = \count($this->requests) - 2; return $this->requests[$pos] ?? null; } /** * Gets the current session. * * @throws SessionNotFoundException */ public function getSession(): SessionInterface { if ((null !== $request = end($this->requests) ?: null) && $request->hasSession()) { return $request->getSession(); } throw new SessionNotFoundException(); } }