code: public static function parseFile($path, $context = null) {
          $html_str = file_get_contents($path, false, $context);
          return static::parseStr($html_str);
      }
docs: Query a file or url.
  
  @param string $path The path to the url.
  @param resource $context A context suitable to be passed into {@link file_get_contents}
  @return pQuery\DomNode Returns the root dom node for the html file.