This is a title

August 27, 2025 at 10:26:00 AM Jane Doe

This is a post content

1 comment

John Doe commented on Aug 27, 2025, 10:26 AM

this is a new comment

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.

Controller code
Twig template code

src/Controller/BlogController.php at line 81

/**
 * NOTE: when the controller argument is a Doctrine entity, Symfony makes an
 * automatic database query to fetch it based on the value of the route parameters.
 * The '{slug:post}' configuration tells Symfony to use the 'slug' route
 * parameter in the database query that fetches the entity of the $post argument.
 * This is mostly useful when the route has multiple parameters and the controller
 * also has multiple arguments.
 * See https://symfony.com/doc/current/doctrine.html#automatically-fetching-objects-entityvalueresolver.
 */
#[Route('/posts/{slug:post}', name: 'blog_post', requirements: ['slug' => Requirement::ASCII_SLUG], methods: ['GET'])]
public function postShow(Post $post): Response
{
    // Symfony's 'dump()' function is an improved version of PHP's 'var_dump()' but
    // it's not available in the 'prod' environment to prevent leaking sensitive information.
    // It can be used both in PHP files and Twig templates, but it requires to
    // have enabled the DebugBundle. Uncomment the following line to see it in action:
    //
    // dump($post, $this->getUser(), new \DateTime());
    //
    // The result will be displayed either in the Symfony Profiler or in the stream output.
    // See https://symfony.com/doc/current/profiler.html
    // See https://symfony.com/doc/current/templates.html#the-dump-twig-utilities
    //
    // You can also leverage Symfony's 'dd()' function that dumps and
    // stops the execution

    return $this->render('blog/post_show.html.twig', ['post' => $post]);
}

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

{% extends 'base.html.twig' %}

{% block body_id 'blog_post_show' %}

{% block main %}
    <h1>{{ post.title }}</h1>

    <p class="post-metadata">
        <span class="metadata">{{ component('ux:icon', { name: 'tabler:calendar-month' }) }} {{ post.publishedAt|format_datetime('long', 'medium', '', 'UTC') }}</span>
        <span class="metadata">{{ component('ux:icon', { name: 'tabler:user' }) }} {{ post.author.fullName }}</span>
    </p>

    {{ post.content|markdown_to_html|sanitize_html }}

    {{ include('blog/_post_tags.html.twig') }}

    <div id="post-add-comment" class="well">
        {# The 'IS_AUTHENTICATED_FULLY' role ensures that the user has entered
        their credentials (login + password) during this session. If they
        are automatically logged via the 'Remember Me' functionality, they won't
        be able to add a comment.
        See https://symfony.com/doc/current/security/remember_me.html#forcing-the-user-to-re-authenticate-before-accessing-certain-resources
        #}
        {% if is_granted('IS_AUTHENTICATED_FULLY') %}
            {# when the name of the Twig argument is the same as the name of the variable, you can omit it.
               e.g. instead of controller('...', {post: post}) you can use controller('...', {post}) #}
            {{ render(controller('App\\Controller\\BlogController::commentForm', {post})) }}
        {% else %}
            <p>
                <a class="btn btn-success" href="{{ path('security_login', {'redirect_to': app.request.pathInfo}) }}">
                    {{ component('ux:icon', { name: 'tabler:login' }) }} {{ 'action.sign_in'|trans }}
                </a>
                {{ 'post.to_publish_a_comment'|trans }}
            </p>
        {% endif %}
    </div>

    <h3>
        {{ component('ux:icon', { name: 'tabler:messages' }) }} {{ 'post.num_comments'|trans({ 'count': post.comments|length }) }}
    </h3>

    {% for comment in post.comments %}
        <div class="row post-comment">
            <a name="comment_{{ comment.id }}"></a>
            <h4 class="col-sm-3">
                <strong>{{ comment.author.fullName }}</strong> {{ 'post.commented_on'|trans }}
                {# it's not mandatory to set the timezone in localizeddate(). This is done to
                   avoid errors when the 'intl' PHP extension is not available and the application
                   is forced to use the limited "intl polyfill", which only supports UTC and GMT #}
                <strong>{{ comment.publishedAt|format_datetime('medium', 'short', '', 'UTC') }}</strong>
            </h4>
            <div class="col-sm-9">
                {{ comment.content|markdown_to_html|sanitize_html }}
            </div>
        </div>
    {% else %}
        <div class="post-comment">
            <p>{{ 'post.no_comments'|trans }}</p>
        </div>
    {% endfor %}
{% endblock %}

{% block sidebar %}
    {% if is_granted('edit', post) %}
        <div class="section">
            <a class="btn btn-lg btn-block btn-success" href="{{ path('admin_post_edit', {id: post.id}) }}">
                {{ component('ux:icon', { name: 'tabler:pencil' }) }} {{ 'action.edit_post'|trans }}
            </a>
        </div>
    {% endif %}

    {# the parent() function includes the contents defined by the parent template
      ('base.html.twig') for this block ('sidebar'). This is a very convenient way
      to share common contents in different templates #}
    {{ parent() }}

    {{ show_source_code(_self) }}
    {{ include('blog/_rss.html.twig') }}
{% endblock %}

Blog Posts RSS

This is a title

1 comment

John Doe commented on Aug 27, 2025, 10:26 AM

Source code used to render this page