CacheEngine::set

public function set($key, $ttl, $value);
abstract public function get($key);
abstract public function del($key);

abstract public function setNotExists($key, $ttl , $value);
abstract public function addToSet($key, $value);
abstract public function getSet($key) : array;
abstract public function delFromSet($key, $member);

abstract public function deleteBySet($key, $prefix = '');

/**
 * CacheEngine constructor.
 * @param array $options Cache options.
 */
public function __construct(array $options = [])
{
	static $config = [];
	if (self::$engine == null)
	{
		if (empty($config))
		{
			$config = $this->configure($options);
		}
	}

	$this->connect($config);
}