---
title: PHP-SDK - 1.4.0
slug: feature-experimentation/release-notes/php-sdk-1-4-0
docTags: 
createdAt: 2026-07-20T15:45:32.739Z
---

\- Added support for Numeric Metrics.
\- Switched to new event API.

[https://github.com/optimizely/php-sdk/releases/tag/1.4.0](https://github.com/optimizely/php-sdk/releases/tag/1.4.0)