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Remove <p> tags from Twig's markdown_to_html()

I'm using Twig's markdown_to_html filter, and it works very well.

However, in some use cases, I'd want it to generate HTML, but without the paragraph tags.

For instance, from this Markdown content:

Hello, this is **some Markdown**

I want the exported HTML to be:

Hello, this is <strong>some Markdown</strong>

But the result is currently:

<p>Hello, this is <strong>some Markdown</strong></p>

I looked into the filter's source and didn't se any option to do so.

Is there a way to do this, or should I create my own Twig filter?

I'd prefer to avoid the striptags filter if possible, because I don't want to list all the tags I'll allow (unless there is a reverse striptags where you can specify the tags you want removed ?)

Solution

  • It looks like you're using league/commonmark which has an "Inlines Only" extension for this exact purpose! It will avoid outputting block-level elements like paragraphs, headers, etc. - only things like emphasis and links would be rendered as HTML.

    To use it, construct your Markdown converter like this:

    <?php

use League\CommonMark\Environment\Environment;
use League\CommonMark\Extension\InlinesOnly\InlinesOnlyExtension;
use League\CommonMark\MarkdownConverter;

// Define your configuration, if needed
$config = [];

// Create a new, empty environment
$environment = new Environment($config);

// Add this extension
$environment->addExtension(new InlinesOnlyExtension());

// Instantiate the converter engine and start converting some Markdown!
$converter = new MarkdownConverter($environment);
echo $converter->convert('Hello, this is **some Markdown**');

    This will be more reliable than parsing HTML with regular expressions.

    (I'm the maintainer of league/commonmark and would be happy to answer any follow-up questions you might have in the comments)