# Activities - PHP SDK

> For the complete documentation index, see [llms.txt](https://docs.temporal.io/llms.txt).
> Any documentation page is available as raw Markdown by appending `.md` to its URL.

> Activity Definitions, Activity Execution, Activity Timeouts, and Asynchronous Activity Completion in the Temporal PHP SDK.

![PHP SDK Banner](/img/assets/banner-php-temporal.png)

## Activities

- [Activity basics](/develop/php/activities/basics)
- [Activity Execution](/develop/php/activities/execution)
- [Timeouts](/develop/php/activities/timeouts)
- [Asynchronous Activity Completion](/develop/php/activities/asynchronous-activity)