comments-bundle/src/Resources/contao/dca/tl_comments.php
public function invalidateSourceCacheTag(Contao\DataContainer $dc, array $tags)
	{
		$commentModel = Contao\CommentsModel::findByPk($dc->id);

		if (null !== $commentModel)
		{
			$tags[] = sprintf('contao.comments.%s.%s', $commentModel->source, $commentModel->parent);
		}

		return $tags;
	}
public function invalidateSourceCacheTag(Contao\DataContainer $dc, array $tags)
	{
		$commentModel = Contao\CommentsModel::findByPk($dc->id);

		if (null !== $commentModel)
		{
			$tags[] = sprintf('contao.comments.%s.%s', $commentModel->source, $commentModel->parent);
		}

		return $tags;
	}
public function invalidateSourceCacheTag ( Contao \ DataContainer $ dc , array $ tags ) { $ commentModel = Contao \ CommentsModel :: findByPk ( $ dc -> id ) ; if ( null !== $ commentModel ) { $ tags [ ] = sprintf ( 'contao.comments.%s.%s' , $ commentModel -> source , $ commentModel -> parent ) ; } return $ tags ; }
Adds the cache invalidation tags for the source.

@param Contao\DataContainer $dc
@param array                $tags

@return array
Adds the cache invalidation tags for the source .