Symfony Demo application

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distributed approaches to parallelize serializer (#1184)

March 9, 2026 at 7:12:49 PM Eve Davis

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architecture tutorial

Building functional listener with best practices (#1175)

March 9, 2026 at 9:27:21 AM Tom Doe

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composable optimizer: a deep dive into modern practices (#1169)

March 9, 2026 at 9:12:52 AM Jane Doe

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Why every developer should hydrate transformer (#1172)

March 9, 2026 at 1:00:34 AM Bob Johnson

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optimizer and composable systems: lessons learned (#1189)

March 8, 2026 at 9:58:49 PM Grace Wilson

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Understanding idempotent adapter in production (#1198)

March 8, 2026 at 6:58:24 PM Bob Johnson

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This is a demo application built in the Symfony Framework to illustrate the recommended way of developing Symfony applications.

For more information, check out the Symfony doc.

Click on this button to show the source code of the Controller and template used to render this page.

src/Controller/BlogController.php at line 57

/**
 * NOTE: For standard formats, Symfony will also automatically choose the best
 * Content-Type header for the response.
 *
 * See https://symfony.com/doc/current/routing.html#special-parameters
 */
#[Route('/', name: 'blog_index', defaults: ['page' => '1', '_format' => 'html'], methods: ['GET'])]
#[Route('/rss.xml', name: 'blog_rss', defaults: ['page' => '1', '_format' => 'xml'], methods: ['GET'])]
#[Route('/page/{page}', name: 'blog_index_paginated', defaults: ['_format' => 'html'], requirements: ['page' => Requirement::POSITIVE_INT], methods: ['GET'])]
#[Cache(smaxage: 10)]
public function index(Request $request, int $page, string $_format, PostRepository $posts, TagRepository $tags): Response
{
    $start = microtime(true);

    $tag = null;

    if ($request->query->has('tag')) {
        $tag = $tags->findOneBy(['name' => $request->query->get('tag')]);
    }

    $latestPosts = $posts->findLatest($page, $tag);

    return $this->render('blog/index.'.$_format.'.twig', [
        'paginator' => $latestPosts,
        'tagName' => $tag?->getName(),
        'elapsed_ms' => round((microtime(true) - $start) * 1000, 1),
    ]);
}

templates/blog/index.html.twig at line 1

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