cacheenginememcached.php

См. документацию.

<?php
 
namespace Bitrix\Main\Data;
 
use Bitrix\Main\Config\Configuration;
 
class CacheEngineMemcached extends CacheEngineMemcache
{
    public function getConnectionName(): string
    {
        return 'cache.memcached';
    }
 
    public static function getConnectionClass()
    {
        return MemcachedConnection::class;
    }
 
    protected function configure($options = []): array
    {
        $config = parent::configure($options);
 
        $cacheConfig = Configuration::getValue('cache');
 
        if (isset($cacheConfig['serializer']))
        {
            $config['serializer'] = (int)$cacheConfig['serializer'];
        }
 
        return $config;
    }
 
    public function set($key, $ttl, $value) : bool
    {
        $ttl = self::getExpire($ttl);
        return self::$engine->set($key, $value, $ttl);
    }
 
    public function del($key)
    {
        if (!is_array($key))
        {
            $key = [$key];
        }
 
        self::$engine->deleteMulti($key);
    }
 
    public function setNotExists($key, $ttl, $value)
    {
        $ttl = self::getExpire($ttl);
        return self::$engine->add($key, $value, $ttl);
    }
 
    public function deleteBySet($key, $prefix = '')
    {
        $list = self::$engine->get($key);
        self::$engine->delete($key);
 
        if (is_array($list) && !empty($list))
        {
            $list = array_keys($list);
            self::$engine->deleteMulti($list);
            unset($list);
        }
    }
}