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- Veröffentlicht
- 06.01.2017
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RedirectResponse.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation;
013
014 /**
015 * RedirectResponse represents an HTTP response doing a redirect.
016 *
017 * @author Fabien Potencier <fabien@symfony.com>
018 */
019 class RedirectResponse extends Response
020 {
021 protected $targetUrl;
022
023 /**
024 * Creates a redirect response so that it conforms to the rules defined for a redirect status code.
025 *
026 * @param string $url The URL to redirect to. The URL should be a full URL, with schema etc.,
027 * but practically every browser redirects on paths only as well
028 * @param int $status The status code (302 by default)
029 * @param array $headers The headers (Location is always set to the given URL)
030 *
031 * @throws \InvalidArgumentException
032 *
033 * @see http://tools.ietf.org/html/rfc2616#section-10.3
034 */
035 public function __construct($url, $status = 302, $headers = array())
036 {
037 parent::__construct('', $status, $headers);
038
039 $this->setTargetUrl($url);
040
041 if (!$this->isRedirect()) {
042 throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));
043 }
044 }
045
046 /**
047 * {@inheritdoc}
048 */
049 public static function create($url = '', $status = 302, $headers = array())
050 {
051 return new static($url, $status, $headers);
052 }
053
054 /**
055 * Returns the target URL.
056 *
057 * @return string target URL
058 */
059 public function getTargetUrl()
060 {
061 return $this->targetUrl;
062 }
063
064 /**
065 * Sets the redirect target of this response.
066 *
067 * @param string $url The URL to redirect to
068 *
069 * @return RedirectResponse The current response
070 *
071 * @throws \InvalidArgumentException
072 */
073 public function setTargetUrl($url)
074 {
075 if (empty($url)) {
076 throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
077 }
078
079 $this->targetUrl = $url;
080
081 $this->setContent(
082 sprintf('<!DOCTYPE html>
083 <html>
084 <head>
085 <meta charset="UTF-8" />
086 <meta http-equiv="refresh" content="1;url=%1$s" />
087
088 <title>Redirecting to %1$s</title>
089 </head>
090 <body>
091 Redirecting to <a href="%1$s">%1$s</a>.
092 </body>
093 </html>', htmlspecialchars($url, ENT_QUOTES, 'UTF-8')));
094
095 $this->headers->set('Location', $url);
096
097 return $this;
098 }
099 }
100