/**
  * @param int $level
  * @return boolean
  */
 private static function isLogLevel($level)
 {
     if (self::$minLog === FALSE) {
         if (tx_rnbase_util_Extensions::isLoaded('devlog')) {
             $minLog = tx_rnbase_configurations::getExtensionCfgValue('devlog', 'minLogLevel');
             self::$minLog = $minLog !== FALSE ? $minLog : -1;
         }
     }
     $isEnabled = $level >= self::$minLog;
     return $isEnabled;
 }