class ContentLength

Same name in this branch
  1. 11.x core/modules/big_pipe/src/StackMiddleware/ContentLength.php \Drupal\big_pipe\StackMiddleware\ContentLength
Same name and namespace in other branches
  1. 10 core/modules/big_pipe/src/StackMiddleware/ContentLength.php \Drupal\big_pipe\StackMiddleware\ContentLength
  2. 10 core/lib/Drupal/Core/StackMiddleware/ContentLength.php \Drupal\Core\StackMiddleware\ContentLength

Adds a Content-Length HTTP header to responses.

Hierarchy

Expanded class hierarchy of ContentLength

1 file declares its use of ContentLength
ContentLengthTest.php in core/tests/Drupal/Tests/Core/StackMiddleware/ContentLengthTest.php

File

core/lib/Drupal/Core/StackMiddleware/ContentLength.php, line 12

Namespace

Drupal\Core\StackMiddleware
View source 
class ContentLength implements HttpKernelInterface {
    
    /**
     * Constructs a new ContentLength instance.
     *
     * @param \Symfony\Component\HttpKernel\HttpKernelInterface $httpKernel
     *   The wrapped HTTP kernel.
     */
    public function __construct(HttpKernelInterface $httpKernel) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function handle(Request $request, $type = self::MAIN_REQUEST, $catch = TRUE) : Response {
        $response = $this->httpKernel
            ->handle($request, $type, $catch);
        if ($response->isInformational() || $response->isEmpty()) {
            return $response;
        }
        if ($response->headers
            ->has('Transfer-Encoding')) {
            return $response;
        }
        // Drupal cannot set the correct content length header when there is a
        // server error.
        if ($response->isServerError()) {
            return $response;
        }
        $content = $response->getContent();
        if ($content === FALSE) {
            return $response;
        }
        $response->headers
            ->set('Content-Length', strlen($content), TRUE);
        return $response;
    }

}

Members

Title Modifiers Object type Summary
ContentLength::handle public function
ContentLength::__construct public function Constructs a new ContentLength instance.

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