vendor/symfony/http-foundation/Session/Storage/Handler/StrictSessionHandler.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;

/**
 * Adds basic `SessionUpdateTimestampHandlerInterface` behaviors to another `SessionHandlerInterface`.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
class StrictSessionHandler extends AbstractSessionHandler
{
    private $handler;
    private $doDestroy;

    public function __construct(\SessionHandlerInterface $handler)
    {
        if ($handler instanceof \SessionUpdateTimestampHandlerInterface) {
            throw new \LogicException(sprintf('"%s" is already an instance of "SessionUpdateTimestampHandlerInterface", you cannot wrap it with "%s".', get_debug_type($handler), self::class));
        }

        $this->handler = $handler;
    }

    /**
     * Returns true if this handler wraps an internal PHP session save handler using \SessionHandler.
     *
     * @internal
     */
    public function isWrapper(): bool
    {
        return $this->handler instanceof \SessionHandler;
    }

    /**
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function open($savePath, $sessionName)
    {
        parent::open($savePath, $sessionName);

        return $this->handler->open($savePath, $sessionName);
    }

    /**
     * {@inheritdoc}
     */
    protected function doRead(string $sessionId)
    {
        return $this->handler->read($sessionId);
    }