/**
  * Gets the meta information for a file element e.g. description
  * 
  * @param string $file_content
  * 
  * @return array
  */
 private function get_file_element_meta($file_content)
 {
     $meta = array();
     $comments = FileHelper::get_file_doc_comments($file_content);
     foreach ($comments as $comment) {
         $comment_lines = explode("\n", $comment);
         foreach ($comment_lines as $comment_line) {
             if (preg_match('/@Description (.*)/', $comment_line, $match)) {
                 $meta['description'] = trim($match[1]);
             }
         }
     }
     return $meta;
 }