static function write($key,$value){
	
		$segments = self::engineName($key);
		$file = [implode($segments->file,'.')];
		
		// set key data
		$keys = array_merge($file,$segments->keys);
		
		// update config data
		self::$data = array_replace_recursive(
			self::$data ,
			self::_makeDimensional($keys,$value)
		);
	}