Сохранение сессий в Redis

namespace src\components\redis;
use Predis\Client;
use SessionHandlerInterface;
class RedisSessionHandler implements SessionHandlerInterface
{
    public $ttl = 1800; // 30 minutes default
    protected $db;
    protected $prefix;
    public function __construct(Client $db, $prefix = 'PHPSESSID:') {
        $this->db = $db;
        $this->prefix = $prefix;
    }
    public function open($savePath, $sessionName) {
        // No action necessary because connection is injected
        // in constructor and argument are not applicable.
    }
    public function close() {
        $this->db = null;
        unset($this->db);
    }
    public function read($id) {
        $id = $this->prefix . $id;
        $sessData = $this->db->get($id);
        $this->db->expire($id, $this->ttl);
        return $sessData;
    }
    public function write($id, $data) {
        $id = $this->prefix . $id;
        $this->db->set($id, $data);
        $this->db->expire($id, $this->ttl);
    }
    public function destroy($id) {
        $this->db->del($this->prefix . $id);
    }
    public function gc($maxLifetime) {
        // no action necessary because using EXPIRE
    }
}

<?php
 
ini_set('session.save_handler', 'redis');
 
ini_set('session.save_path', "tcp://redis:6379");
 
 //$config локальные настройки
$db = new Predis\Client($config);
 
$prefix = 'PHPSESSID:';
$sessHandler = new RedisSessionHandler($db, $prefix);
$sessHandler->ttl = ini_get('session.gc_maxlifetime');
session_set_save_handler($sessHandler);
session_start();
 
 
session_start();
 
$count = isset($_SESSION['count']) ? $_SESSION['count'] : 1;
 
echo $count;
 
$_SESSION['count'] = ++$count;
 
?>

<?php
 
declare(strict_types=1);
 
class MySessionHandler implements SessionHandlerInterface
{
    public function close()
    {
        return true;
    }
 
    public function destroy($session_id)
    {
        return true;
    }
 
    public function gc($maxlifetime)
    {
        return true;
    }
 
    public function open($save_path, $name)
    {
        return true;
    }
 
    public function read($session_id)
    {
        return '111';
    }
 
    public function write($session_id, $session_data)
    {
        return true;
    }
}
 
session_set_save_handler(new MySessionHandler());
 
session_start();
$_SESSION['foo'] = 'bar';
var_dump($_SESSION['foo']);