Cocur\Slugify\Bridge\League\SlugifyServiceProvider::register PHP Метод

    public function register()
    {
        $this->container->share(SlugifyInterface::class, function () {
            $options = [];
            if ($this->container->has('config.slugify.options')) {
                $options = $this->container->get('config.slugify.options');
            }
            $provider = null;
            if ($this->container->has(RuleProviderInterface::class)) {
                /* @var RuleProviderInterface $provider */
                $provider = $this->container->get(RuleProviderInterface::class);
            }
            return new Slugify($options, $provider);
        });
    }