static function highlight($a, $language, $line_numbers)
{
isset(self::$map[$language]) && ($language = self::$map[$language]);
$a = new geshi($a, $language);
$a->set_encoding('UTF-8');
$line_numbers && $a->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
$a->set_header_type(GESHI_HEADER_DIV);
$a->set_tab_width(4);
return $a->parse_code();
}