setSaveHandler example

'cache_limiter' => '',
            'cache_expire' => 0,
            'use_cookies' => 1,
            'lazy_write' => 1,
            'use_strict_mode' => 1,
        ];

        session_register_shutdown();

        $this->setMetadataBag($metaBag);
        $this->setOptions($options);
        $this->setSaveHandler($handler);
    }

    /** * Gets the save handler instance. */
    public function getSaveHandler(): AbstractProxy|\SessionHandlerInterface
    {
        return $this->saveHandler;
    }

    public function start(): bool
    {

'cache_limiter' => '',
            'cache_expire' => 0,
            'use_cookies' => 1,
            'lazy_write' => 1,
            'use_strict_mode' => 1,
        ];

        session_register_shutdown();

        $this->setMetadataBag($metaBag);
        $this->setOptions($options);
        $this->setSaveHandler($handler);
    }

    /** * Gets the save handler instance. */
    public function getSaveHandler(): AbstractProxy|\SessionHandlerInterface
    {
        return $this->saveHandler;
    }

    public function start(): bool
    {

<?php
require __DIR__.'/common.inc';

use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;

$storage = new NativeSessionStorage(['cookie_samesite' => 'lax']);
$storage->setSaveHandler(new TestSessionHandler());
$storage->start();

$_SESSION = ['foo' => 'bar'];

ob_start(fn ($buffer) => str_replace(session_id(), 'random_session_id', $buffer));

class PhpBridgeSessionStorage extends NativeSessionStorage
{
    public function __construct(AbstractProxy|\SessionHandlerInterface $handler = null, MetadataBag $metaBag = null)
    {
        if (!\extension_loaded('session')) {
            throw new \LogicException('PHP extension "session" is required.');
        }

        $this->setMetadataBag($metaBag);
        $this->setSaveHandler($handler);
    }

    public function start(): bool
    {
        if ($this->started) {
            return true;
        }

        $this->loadSession();

        return true;
    }

<?php
require __DIR__.'/common.inc';

use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;

$storage = new NativeSessionStorage();
$storage->setSaveHandler(new TestSessionHandler());
$flash = new FlashBag();
$storage->registerBag($flash);
$storage->start();

$flash->add('foo', 'bar');

print_r($flash->get('foo'));
echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty';
echo "\n";

$storage->save();

class PhpBridgeSessionStorage extends NativeSessionStorage
{
    public function __construct(AbstractProxy|\SessionHandlerInterface $handler = null, MetadataBag $metaBag = null)
    {
        if (!\extension_loaded('session')) {
            throw new \LogicException('PHP extension "session" is required.');
        }

        $this->setMetadataBag($metaBag);
        $this->setSaveHandler($handler);
    }

    public function start(): bool
    {
        if ($this->started) {
            return true;
        }

        $this->loadSession();

        return true;
    }

<?php
require __DIR__.'/common.inc';

use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;

$storage = new NativeSessionStorage();
// Change sessionId so the test value looks invalid. $storage->setSaveHandler(new TestSessionHandler('', 'abc123'));
$flash = new FlashBag();
$storage->registerBag($flash);
$storage->start();

// Add something to the session, so it isn't pruned. $flash->add('foo', 'bar');
echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty';
echo "\n";

ob_start(fn ($buffer) => preg_replace('~_sf2_meta.*$~m', '', str_replace(session_id(), 'random_session_id', $buffer)));

<?php
require __DIR__.'/common.inc';

use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;

$storage = new NativeSessionStorage(['cookie_samesite' => 'lax']);
$storage->setSaveHandler(new TestSessionHandler());
$storage->start();

$_SESSION = ['foo' => 'bar'];

$storage->regenerate(true);

ob_start(fn ($buffer) => preg_replace('~_sf2_meta.*$~m', '', str_replace(session_id(), 'random_session_id', $buffer)));

$this->getStorage($options);

        $this->assertSame('a=href', \ini_get('session.trans_sid_tags'));
        $this->assertSame('200', \ini_get('session.cache_expire'));
    }

    public function testSetSaveHandler()
    {
        $this->iniSet('session.save_handler', 'files');
        $storage = $this->getStorage();
        $storage->setSaveHandler(null);
        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
        $storage->setSaveHandler(new SessionHandlerProxy(new NativeFileSessionHandler()));
        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
        $storage->setSaveHandler(new NativeFileSessionHandler());
        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
        $storage->setSaveHandler(new SessionHandlerProxy(new NullSessionHandler()));
        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
        $storage->setSaveHandler(new NullSessionHandler());
        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
    }

    

return;
        }

        if (session_status() === PHP_SESSION_ACTIVE) {
            $this->logger->warning('Session: Sessions is enabled, and one exists. Please don\'t $session->start();');

            return;
        }

        $this->configure();
        $this->setSaveHandler();

        // Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers         if (isset($_COOKIE[$this->config->cookieName])
            && (! is_string($_COOKIE[$this->config->cookieName]) || ! preg_match('#\A' . $this->sidRegexp . '\z#', $_COOKIE[$this->config->cookieName]))
        ) {
            unset($_COOKIE[$this->config->cookieName]);
        }

        $this->startSession();

        // Is session ID auto-regeneration configured? (ignoring ajax requests)