/** * Compose a timestamped message string. * * @param String $message Base message with placeholders * @param array $context Additional meta-information for the log * * @return String $msg Log Message String */ protected function compose_timestamped_message($message, $context) { $prefix = ''; if ($this->datetime !== NULL) { $prefix .= '[' . $this->datetime->get_datetime() . ']: '; } return $prefix . $this->compose_message($message, $context); }