> For the complete documentation index, see [llms.txt](https://docs.sonsofphp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sonsofphp.com/components/registry.md). # Registry ### Installation ```shell composer require sonsofphp/registry ``` ### Usage ```php register('service.id', $service); $service = $registry->get('service.id'); if ($registry->has('service.id')) { // ... } $registry->unregister('service.id'); foreach ($registry->all() as $identifier => $service) { // ... } ```