vichan/inc/Data/Driver/CacheDriver.php

<?php
namespace Vichan\Data\Driver;

defined('TINYBOARD') or exit;


interface CacheDriver {
	/**
	 * Get the value of associated with the key.
	 *
	 * @param string $key The key of the value.
	 * @return mixed|null The value associated with the key, or null if there is none.
	 */
	public function get(string $key): mixed;

	/**
	 * Set a key-value pair.
	 *
	 * @param string $key The key.
	 * @param mixed $value The value.
	 * @param int|false $expires After how many seconds the pair will expire. Use false or ignore this parameter to keep
	 *                           the value until it gets evicted to make space for more items. Some drivers will always
	 *                           ignore this parameter and store the pair until it's removed.
	 */
	public function set(string $key, mixed $value, mixed $expires = false): void;

	/**
	 * Delete a key-value pair.
	 *
	 * @param string $key The key.
	 */
	public function delete(string $key): void;

	/**
	 * Delete all the key-value pairs.
	 */
	public function flush(): void;
}