public function getLogger($name = LoggerUtils::SYSTEM_LOGGER)
    {
        if (isset($this->loggers[$name])) {
            return $this->loggers[$name];
        }
        return null;
    }
public function getLogger($name = LoggerUtils::SYSTEM_LOGGER)
    {
        if (isset($this->loggers[$name])) {
            return $this->loggers[$name];
        }
        return null;
    }
public function getLogger ( $ name = LoggerUtils :: SYSTEM_LOGGER ) { if ( isset ( $ this -> loggers [ $ name ] ) ) { return $ this -> loggers [ $ name ] ; } return null ; }
Return the requested logger instance, by default the application's system logger.

@param string $name The name of the requested logger

@return \Psr\Log\LoggerInterface|null The logger instance
Return the requested logger instance by default the application s system logger .