class Rouge::Lexers::PHP

def self.keywords
  @keywords ||= Set.new %w(
    and E_PARSE old_function E_ERROR or as E_WARNING parent eval
    PHP_OS break exit case extends PHP_VERSION cfunction FALSE
    print for require continue foreach require_once declare return
    default static do switch die stdClass echo else TRUE elseif
    var empty if xor enddeclare include virtual endfor include_once
    while endforeach global __FILE__ endif list __LINE__ endswitch
    new __sleep endwhile not array __wakeup E_ALL NULL final
    php_user_filter interface implements public private protected
    abstract clone try catch throw this use namespace yield
  )
end