---
title: PHP-SDK - 3.0.1
slug: feature-experimentation/release-notes/php-sdk-3-0-1
docTags: 
createdAt: 2026-07-20T15:45:13.876Z
---

\## 3.0.1
April 19th, 2019

\### Security Fix:
\* Removed CurlEventDispatcher. (\[#168]\([https://github.com/optimizely/php-sdk/pull/168](https://github.com/optimizely/php-sdk/pull/168)))
\- ID: \[opt-2019-0001]\([https://www.optimizely.com/security/advisories/opt-2019-0001](https://www.optimizely.com/security/advisories/opt-2019-0001))
\- Overall CVSSv3: 6.0
\- Optimizely Severity: High

[https://github.com/optimizely/php-sdk/releases/tag/3.0.1](https://github.com/optimizely/php-sdk/releases/tag/3.0.1)