* @copyright 2016 - 2019 Timothy J. Warren * @license http://www.opensource.org/licenses/mit-license.html MIT License * @version 3.0.0 * @link https://git.timshomepage.net/timw4mail/banker */ namespace Aviat\Banker\Driver; /** * Interface for different cache backends */ interface DriverInterface { /** * See if a key exists in the cache * * @param string $key * @return bool */ public function exists(string $key): bool; /** * Set a cached value * * @param string $key * @param mixed $value * @param int $expires * @return bool */ public function set(string $key, $value, int $expires = 0): bool; /** * Get the value for the selected cache key * * @param string $key * @return mixed */ public function get(string $key); /** * Retrieve a set of values by their cache key * * @param string[] $keys * @return array */ public function getMultiple(array $keys = []): array; /** * Remove an item from the cache * * @param string $key * @return boolean */ public function delete(string $key): bool; /** * Remove multiple items from the cache * * @param string[] $keys * @return boolean */ public function deleteMultiple(array $keys = []): bool; /** * Empty the cache * * @return boolean */ public function flush(): bool; /** * Set the specified key to expire at the given time * * @param string $key * @param int $expires * @return boolean */ public function expiresAt(string $key, int $expires): bool; }