parent = &$parent; $this->data = $data; } public function toSyntax() { $openingTag = 'data['attrs']['data-language'])) { $openingTag .= ' ' . $this->data['attrs']['data-language']; } else { $openingTag .= ' -'; } if (!empty($this->data['attrs']['data-filename'])) { $openingTag .= ' ' . $this->data['attrs']['data-filename']; } $openingTag .= '>'; return $openingTag . "\n" . $this->data['content'][0]['text'] . "\n"; } }