public function __construct($cache_path, $max_age = 0, $max_size = 0)
{
$this->setVariable("cache_path", $cache_path);
$this->setVariable("max_age", $max_age);
$this->setVariable("max_size", $max_size);
if ($cache_path == "") {
throw new \ConfigurationException("Cache path set to nothing!");
}
}