public static function process($file = NULL){

        $exists = isset( self::$data[ self::$level ] );

        if( $exists ){
            $variables = self::$data[ self::$level ];

            foreach( $variables as $key => $value ){
                global $$key;
                $$key = $value;
            }
        }

        if( $file ){
            require $file;
        }

    }