protected function getTokenFormatter($token)
{
$formatters = $this->getTokenFormatters();
if (!array_key_exists($token, $formatters)) {
$message = "The class %s does not know how to format the %s token\n" . "Have you added it in the getTokenFormatters() method?";
throw new Exception(sprintf($message, get_called_class(), $token));
}
return $formatters[$token];
}