cacheengineinterface.php

См. документацию.

<?php
 
namespace Bitrix\Main\Data;
 
interface CacheEngineInterface
{
    public function isAvailable();

    public function clean($baseDir, $initDir = false, $filename = false);

    public function read(&$vars, $baseDir, $initDir, $filename, $ttl);

    public function write($vars, $baseDir, $initDir, $filename, $ttl);

    public function isCacheExpired($path);
}