/**
  * @param $tagName
  * @param array $attributes
  * @param string $content
  * @param bool $forceClosingTag
  * @return string
  */
 protected function createTag($tagName, array $attributes = NULL, $content = '', $forceClosingTag = FALSE)
 {
     $tag = new TagBuilder($tagName, $content);
     if ($attributes) {
         $tag->addAttributes($attributes);
     }
     $tag->forceClosingTag($forceClosingTag);
     return $tag->render();
 }