/**
* Construct with configs/settings
*
* @param DriverInterface $frontDriver
* @param DriverInterface $backDriver
* @param array $configs object configs
* @access public
*/
public function __construct(DriverInterface $frontDriver, DriverInterface $backDriver, array $configs = [])
{
// set configs
parent::__construct($configs);
// front driver, may use fallback
if ($frontDriver->ping()) {
$this->front = $frontDriver;
} else {
// set error
$this->setError($frontDriver->getError(), $frontDriver->getErrorCode());
$this->front = $frontDriver->getFallback();
}
// back driver, may use fallback
if ($backDriver->ping()) {
$this->back = $backDriver;
} else {
// set error
$this->setError($backDriver->getError(), $backDriver->getErrorCode());
$this->back = $backDriver->getFallback();
}
// default tester, will write item to both front/back cache
if (!is_callable($this->tester)) {
$this->tester = function () {
return true;
};
}
}
/**
* Construct with configs/settings
*
* @param array $configs (optional) object configs
* @access public
*/
public function __construct(array $configs = [])
{
// parent constructor
parent::__construct($configs);
// default cache directory
if (empty($this->dir_root)) {
$this->dir_root = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'cache';
}
// clean up
$this->dir_root = rtrim($this->dir_root, " \t\r\n\v\\/");
// set error to trigger fallback driver
if (!is_dir($this->dir_root) && !@mkdir($this->dir_root, 0777, true)) {
// set error
$this->setError(Message::get(Message::CACHE_FAIL_MKDIR, $this->dir_root), Message::CACHE_FAIL_MKDIR);
}
}
