<?php
use League\CommonMark\Environment\Environment;
use League\CommonMark\MarkdownConverter;
use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
use League\CommonMark\Extension\GithubFlavoredMarkdownExtension;
use League\CommonMark\Extension\FrontMatter\FrontMatterExtension;
use League\CommonMark\Extension\FrontMatter\Output\RenderedContentWithFrontMatter;
use Symfony\Component\Yaml\Yaml;


function render_markdown($file) {
  // Set up the environment with FrontMatter and GFM support
  $environment = new Environment([]);
  $environment->addExtension(new CommonMarkCoreExtension());
  $environment->addExtension(new GithubFlavoredMarkdownExtension());
  $environment->addExtension(new FrontMatterExtension());

  $converter = new MarkdownConverter($environment);

  $markdownText = file_get_contents($file);
  // Convert markdown and extract front matter
  /** @var RenderedContentWithFrontMatter $result */
  $result = $converter->convert($markdownText);

  // Parse YAML front matter
  if ($result instanceof RenderedContentWithFrontMatter) {
    $frontMatter = $result->getFrontMatter();
  }
  $html = $result->getContent();

  // return result
  return [
      'meta' => $frontMatter,
      'html' => $html,
  ];
}