public function getCommentTree($source, $context)
    {
        $key = $this->getSpecificSourceCacheKey(
            $source,
            $context
        );

        return isset($this->commentTree[$key])
            ? $this->commentTree[$key]
            : [];
    }
public function getCommentTree($source, $context)
    {
        $key = $this->getSpecificSourceCacheKey(
            $source,
            $context
        );

        return isset($this->commentTree[$key])
            ? $this->commentTree[$key]
            : [];
    }
public function getCommentTree ( $ source , $ context ) { $ key = $ this -> getSpecificSourceCacheKey ( $ source , $ context ) ; return isset ( $ this -> commentTree [ $ key ] ) ? $ this -> commentTree [ $ key ] : [ ] ; }
Get comment tree.

@param string $source  Source of comments
@param string $context Context of comment

@return array Comment tree
Get comment tree .