vendor/symfony/http-foundation/RedirectResponse.php line 19
<?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;/*** RedirectResponse represents an HTTP response doing a redirect.** @author Fabien Potencier <fabien@symfony.com>*/class RedirectResponse extends Response{protected $targetUrl;/*** Creates a redirect response so that it conforms to the rules defined for a redirect status code.** @param string $url The URL to redirect to. The URL should be a full URL, with schema etc.,* but practically every browser redirects on paths only as well* @param int $status The HTTP status code (302 "Found" by default)* @param array $headers The headers (Location is always set to the given URL)** @throws \InvalidArgumentException** @see https://tools.ietf.org/html/rfc2616#section-10.3*/public function __construct(string $url, int $status = 302, array $headers = []){parent::__construct('', $status, $headers);$this->setTargetUrl($url);if (!$this->isRedirect()) {throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));}if (301 == $status && !\array_key_exists('cache-control', array_change_key_case($headers, \CASE_LOWER))) {$this->headers->remove('cache-control');}}/*** Returns the target URL.*/public function getTargetUrl(): string{return $this->targetUrl;}/*** Sets the redirect target of this response.** @return $this** @throws \InvalidArgumentException*/public function setTargetUrl(string $url): static{if ('' === $url) {throw new \InvalidArgumentException('Cannot redirect to an empty URL.');}$this->targetUrl = $url;$this->setContent(sprintf('<!DOCTYPE html><html><head><meta charset="UTF-8" /><meta http-equiv="refresh" content="0;url=\'%1$s\'" /><title>Redirecting to %1$s</title></head><body>Redirecting to <a href="%1$s">%1$s</a>.</body></html>', htmlspecialchars($url, \ENT_QUOTES, 'UTF-8')));$this->headers->set('Location', $url);return $this;}}