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27 augustus 2025 om 10:26:00 Jane Doe

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John Doe gereageerd op 27 aug. 2025 10:26

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Dit is een voorbeeld applicatie, gemaakt met het Symfony Framework, die je een indruk geeft van de aanbevolen manier om een Symfony applicatie te ontwikkelen.

Voor meer informatie, bekijk de Symfony documentatie.

Klik op deze knop om de broncode te bekijken van de Controller en template, die gebruikt zijn bij het weergeven van deze pagina.

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 %}

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John Doe gereageerd op 27 aug. 2025 10:26

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