Bolt\Session\Handler\FilesystemHandler::gc PHP Method

    public function gc($maxlifetime)
    {
        if (!$this->directory->exists()) {
            return;
        }
        $files = $this->directory->find()->files()->ignoreDotFiles(false)->date("< now - {$maxlifetime} seconds");
        foreach ($files as $file) {
            /** @var $file FileInterface */
            $file->delete();
        }
    }