Monolog\Logger::addCritical PHP Method

    public function addCritical($message, array $context = array())
    {
        return $this->addRecord(self::CRITICAL, $message, $context);
    }

 public function log($message, $priority = self::INFO)
 {
     if ($message instanceof \Exception) {
         $message = $message->getMessage();
         $context = [];
     } elseif (is_string($message)) {
         $context = [];
     } else {
         $context = $message;
         unset($context[0]);
         unset($context[1]);
         if (isset($message[1])) {
             $message = preg_replace('#\\s*\\r?\\n\\s*#', ' ', trim($message[1]));
         }
     }
     switch ($priority) {
         case self::DEBUG:
             return $this->monolog->addDebug($message, $context);
         case self::CRITICAL:
             return $this->monolog->addCritical($message, $context);
         case self::ERROR:
             return $this->monolog->addError($message, $context);
         case self::EXCEPTION:
             return $this->monolog->addEmergency($message, $context);
         case self::WARNING:
             return $this->monolog->addWarning($message, $context);
         case 'access':
             return $this->monolog->addNotice($message, $context);
         case 'emergency':
             return $this->monolog->addEmergency($message, $context);
         default:
             return $this->monolog->addInfo($message, $context);
     }
 }