Growthbook PHP upgrade and feature release #2214

Ticket(s) / Related Merge Requests

Closes #2214 (closed)

Summary of Changes

Growthbook PHP SDK update and support for backend feature flags.

Testing Considerations

It may not be entirely possible to QA this one without getting involved in the code and testing different feature flags.

Regression Scope

Affects some low-level functions that impact all network requests, and feature flags.

Platform Affected (web, mobile, etc)

Engine - web and mob.

Developer Testing Completed

Some specs, manual testing

Screenshots

(Any extra UI screens that can be shared)

Does this impact

• Localization
• Dark/light mode
• Guest mode