Markdown documentation

Controller

<?php

namespace ChessyWeb\Bundle\CatteryBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Yaml\Parser;
use Parsedown;
use ParsedownExtra;

class DocumentationController extends Controller
{
    public function pageAction($page)
    {
        $parsedown = new ParsedownExtra();

        $parser = $this->container->get('chessy_web_base.fileparser');
        $fileContent = $parser->parse($page.'.md');

        if (!empty($fileContent['frontMatter']['next'])) {
	        $nextFile = $fileContent['frontMatter']['next'].'.md';
	        $nextFileContent = $parser->parse($nextFile);
	        $fileContent['frontMatter']['nextTitle'] = $nextFileContent['frontMatter']['title'];
        }

		if (!empty($fileContent['frontMatter']['prev'])) {
	        $prevFile = $fileContent['frontMatter']['prev'].'.md';
	        $prevFileContent = $parser->parse($prevFile);
	        $fileContent['frontMatter']['prevTitle'] = $prevFileContent['frontMatter']['title'];
        }

        return $this->render('ChessyWebCatteryBundle:Documentation:index.html.twig',array(
        	'content' 	=> $parsedown->text($fileContent['content']),
        	'data' 		=> $fileContent['frontMatter'],
    	));
    }
}

Service

<?php

namespace ChessyWeb\Bundle\BaseBundle\Service\FileParser;

use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\Yaml\Parser;
use Parsedown;

class FileParser
{
	private $container;

	public function __construct(Container $container)
	{
		$this->container = $container;
	}

	public function parse($page)
	{
		$yaml = new Parser();

        $kernel = $this->container->get('kernel');
		$path = $kernel->locateResource('@ChessyWebCatteryBundle/Resources/doc/'.$page);
		$content = file_get_contents($path);

		$split = preg_split("/[\n]*[-]{3}[\n]*/", $content, 3);

		$data = $yaml->parse($split[1]);
		$content = $split[2];

		return array(
			'content' 		=> $content,
			'frontMatter'	=> $data,
		);
	}
}