date_default_timezone_set('Europe/Budapest');

    class Log {

        const Logdir = "Logs";
        static $timeStamp = "y-m-d H:i:s";
        static $fileName = "ks-sync.txt";

        public function __construct(){
            $this->CreateDirectory();
            $this->CreateFile();
        }

        public static function Add($string){
            if(!empty($string)){
                $string = self::logTime().$string.PHP_EOL;
                $filename = RPC_LOGS_LIB.'/'.Log::LogFileName();
                file_put_contents($filename,$string,FILE_APPEND);
            }
        }

        public static function logTime(){
            return date('Y-m-d H:i:s: ');
        }

        public static function logDate(){
            return date('Y-m-d');
        }

        static function LogFileName(){
            return Log::LogDate().'-'.self::$fileName;
        }

        // Create today's logfile if not exist
        public function CreateFile(){
            if(!file_exists(RPC_LOGS_LIB.'/'.Log::LogFileName())){
                file_put_contents(RPC_LOGS_LIB.'/'.Log::LogFileName(),self::logTime().'Log file created.');
            }
        }

        // Create Logs directory if not exist
        public function CreateDirectory(){
            if(!file_exists(RPC_LOGS_LIB)){
                mkdir('../'.self::Logdir,0777);
            }
        }
    }