cacheengineapc.php

См. документацию.

<?php
 
namespace Bitrix\Main\Data;
 
use Bitrix\Main\Data\LocalStorage\Storage;
 
class CacheEngineApc extends Cache\KeyValueEngine implements Storage\CacheEngineInterface
{
    public function getConnectionName(): string
    {
        return '';
    }
 
    public static function getConnectionClass()
    {
        return CacheEngineApc::class;
    }
 
    protected function connect($config)
    {
        self::$isConnected = function_exists('apcu_fetch') && 'cli' !== \PHP_SAPI;
    }
 
    public function set($key, $ttl, $value)
    {
        return apcu_store($key, $value, $ttl);
    }
 
    public function get($key)
    {
        return apcu_fetch($key);
    }
 
    public function del($key)
    {
        apcu_delete($key);
    }
 
    public function setNotExists($key, $ttl, $value)
    {
        $ttl = (int) $ttl;
        return apcu_add($key, $value, $ttl);
    }
 
    public function checkInSet($key, $value) : bool
    {
        $list = apcu_fetch($key);
 
        if (!is_array($list))
        {
            $list = [];
        }
 
        if (array_key_exists($value, $list))
        {
            return true;
        }
 
        return false;
    }
 
    public function addToSet($key, $value)
    {
        $list = apcu_fetch($key);
 
        if (!is_array($list))
        {
            $list = [];
        }
 
        if (!array_key_exists($value, $list))
        {
            $list[$value] = 1;
            apcu_store($key, $list, 0);
        }
    }
 
    public function getSet($key) : array
    {
        $list = apcu_fetch($key);
        if (!is_array($list) || empty($list))
        {
            return [];
        }
 
        return array_keys($list);
    }
 
    public function deleteBySet($key, $prefix = '')
    {
        $list = apcu_fetch($key);
        apcu_delete($key);
 
        if (is_array($list) && !empty($list))
        {
            array_walk($list, function ($value, $key) {
                apcu_delete($key);
            });
            unset($list);
        }
    }
 
    public function delFromSet($key, $member)
    {
        $list = apcu_fetch($key);
 
        if (is_array($list) && !empty($list))
        {
            $rewrite = false;
            if (!is_array($member))
            {
                $member = [0 => $member];
            }
 
            foreach ($member as $keyID)
            {
                if (array_key_exists($keyID, $list))
                {
                    $rewrite = true;
                    unset($list[$keyID]);
                }
            }
 
            if ($rewrite)
            {
                if (empty($list))
                {
                    apcu_delete($key);
                }
                else
                {
                    apcu_store($key, $list, 0);
                }
            }
        }
    }
}