addExtension() public method

Add a single extension
public addExtension ( League\CommonMark\Extension\ExtensionInterface $extension )
$extension League\CommonMark\Extension\ExtensionInterface
 /**
  * Create a new markua converter instance.
  */
 public function __construct()
 {
     $environment = new Environment();
     $environment->addExtension(new MarkuaExtension());
     $this->docParser = new DocParser($environment);
     $this->htmlRenderer = new HtmlRenderer($environment);
 }