ICache

<?php

/**
 * Created by PhpStorm.
 * User: Stixlink
 * Date: 10.07.14
 * Time: 18:10
 */
namespace interfaces;


interface ICache {

    /**
     * @param $key string unique key
     */
    public function get($key);

    /**
     * @param $key      string unique key
     * @param $value    mixed
     * @param $duration int
     */
    public function set($key, $value, $duration = 3600);

    /**
     * @param $key string unique key
     */
    public function delete($key);
}