<?php namespace MailPoetVendor\Doctrine\Common\Cache; if (!defined('ABSPATH')) exit; interface Cache { public const STATS_HITS = 'hits'; public const STATS_MISSES = 'misses'; public const STATS_UPTIME = 'uptime'; public const STATS_MEMORY_USAGE = 'memory_usage'; public const STATS_MEMORY_AVAILABLE = 'memory_available'; public const STATS_MEMORY_AVAILIABLE = 'memory_available'; public function fetch($id); public function contains($id); public function save($id, $data, $lifeTime = 0); public function delete($id); public function getStats(); }