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CommonMark Embed Extension

An extension to transform URLs to embeds with league/commonmark.

Example

Markdown

OMG, you should see this video:

https://www.youtube.com/watch?v=eX2qFMC8cFo

It‘s amazing, isn’t it?

HTML

<p>OMG, you should see this video:</p>

<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/eX2qFMC8cFo" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen=""></iframe>

<p>It‘s amazing, isn’t it?</p>

Installation

You can install the package via composer:

composer require ueberdosis/commonmark-embed-extension

Supported services

• YouTube
• Vimeo

Have a look at the provided services to learn how you can add your own integrations. Don’t forget to send a PR with your additions!

Usage

<?php

use League\CommonMark\Environment\Environment;
use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
use League\CommonMark\MarkdownConverter;
use Ueberdosis\CommonMark\EmbedExtension;
use Ueberdosis\CommonMark\Tests\Services\YouTube;
use Ueberdosis\CommonMark\Tests\Services\Vimeo;

// Configure the Environment with all the CommonMark parsers/renderers
$environment = new Environment([
    'embeds' => [
        new YouTube(),
        new Vimeo(),
    ],
]);
$environment->addExtension(new CommonMarkCoreExtension());

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

// Instantiate the converter engine and start converting some Markdown!
$converter = new MarkdownConverter($environment);
$markdown = <<<MARKDOWN
https://www.youtube.com/watch?v=eX2qFMC8cFo
MARKDOWN;

echo $converter->convertToHtml($markdown);

Testing

composer test

Credits

• Hans Pagel
• All Contributors

License

The MIT License (MIT). Please see License File for more information.