--- title: PHP Server SDK description: Where to find LaunchDarkly PHP server SDK setup and API documentation --- # PHP (Server) — SDK detail **Primary:** [PHP SDK reference](https://launchdarkly.com/docs/sdk/server-side/php) — Composer, initialization, and API. **Also useful:** - Packagist: [launchdarkly/server-sdk](https://packagist.org/packages/launchdarkly/server-sdk) - GitHub: [php-server-sdk](https://github.com/launchdarkly/php-server-sdk) - Sample: [hello-php](https://github.com/launchdarkly/hello-php) - API docs: [PHP SDK API](https://launchdarkly.github.io/php-server-sdk/) **Recipe (detect / install summary):** [SDK Recipes](../recipes.md) — PHP (Server) There is no bundled onboarding code sample in this repo for PHP; follow the official reference.