private function _improveVar()
	{
		switch ($this->variableType) {
		case 'boolean':
			$this->variable = '(boolean) '.($this->variable ? 'true' : 'false');
			break;
		case 'NULL':
			$this->variable = '(null) NULL';
			break;
		case 'string':
			$this->variable = '"'.$this->variable.'"';
		default:
			break;
		}
	}